Daftar Google Chrome Command Line dan Tweaking - Indonesia Komunitas


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Daftar Google Chrome Command Line dan Tweaking

Chromium merupakan perambaan browser Google Chrome yang banyak di gunakan saat ini.


Command Line merupakan code untuk merubah settingan default browser. Anda bisa mengkombinasi code-code Chromium ke dalam Google Chrome.

Berikut daftar Command Linenya :


List of Chromium Command Line Switches

There are lots of command lines which can be used with the Google Chrome browser. Some change behavior of features, others are for debugging or experimenting. This page lists the available switches including their conditions and descriptions. Last automated update occurred on 2017-07-20.

— Report pseudo allocation traces. Pseudo traces are derived from currently active trace events. 
–/prefetch:1[1] /prefetch:# arguments to use when launching various process types. It has been observed that when file reads are consistent for 3 process launches with the same /prefetch:# argument, the Windows prefetcher starts issuing reads in batch at process launch. Because reads depend on the process type, the prefetcher wouldn’t be able to observe consistent reads if no /prefetch:# arguments were used. Note that the browser process has no /prefetch:# argument; as such all other processes must have one in order to avoid polluting its profile. Note: # must always be in [1, 8]; otherwise it is ignored by the Windows prefetcher. 
–/prefetch:2[1] No description 
–/prefetch:3[1] No description 
–/prefetch:4[1] No description 
–/prefetch:5[1] /prefetch:# arguments for the browser process launched in background mode and for the watcher process. Use profiles 5, 6 and 7 as documented on kPrefetchArgument* in content_switches.cc. 
–/prefetch:6[1] No description 
–/prefetch:8[1] Prefetch arguments are used by the Windows prefetcher to disambiguate different execution modes (i.e. process types) of the same executable image so that different types of processes don’t trample each others’ prefetch behavior. Legal values are integers in the range [1, 8]. We reserve 8 to mean “whatever”, and this will ultimately lead to processes with /prefetch:8 having inconsistent behavior thus disabling prefetch in practice. TODO(rockot): Make it possible for embedders to override this argument on a per-service basis. 
–0 Value of the –profiler-timing flag that will disable timing information for chrome://profiler. 
–? No description 
–accept-resource-provider Flag indicating that a resource provider must be set up to provide cast receiver with resources. Apps cannot start until provided resources. This flag implies –alsa-check-close-timeout=0. 
–account-consistency[2] Command line flag for enabling account consistency. Default mode is disabled. Mirror is a legacy mode in which Google accounts are always addded to Chrome, and Chrome then adds them to the Google authentication cookies. Dice is a new experiment in which Chrome is aware of the accounts in the Google authentication cookies. 
–adaboost No description 
–aec-refined-adaptive-filter Enables a new tuning of the WebRTC Acoustic Echo Canceler (AEC). The new tuning aims at resolving two issues with the AEC: https://bugs.chromium.org/p/webrtc/issues/detail?id=5777 https://bugs.chromium.org/p/webrtc/issues/detail?id=5778 TODO(hlundin): Remove this switch when experimentation is over; crbug.com/603821. 
–agc-startup-min-volume Override the default minimum starting volume of the Automatic Gain Control algorithm in WebRTC used with audio tracks from getUserMedia. The valid range is 12-255. Values outside that range will be clamped to the lowest or highest valid value inside WebRTC. TODO(tommi): Remove this switch when crbug.com/555577 is fixed. 
–aggressive No description 
–aggressive-cache-discard No description 
–aggressive-tab-discard No description 
–allarticles No description 
–allow-cross-origin-auth-prompt Allows third-party content included on a page to prompt for a HTTP basic auth username/password pair. 
–allow-external-pages Allow access to external pages during layout tests. 
–allow-failed-policy-fetch-for-test If this flag is passed, failed policy fetches will not cause profile initialization to fail. This is useful for tests because it means that tests don’t have to mock out the policy infrastructure. 
–allow-file-access-from-files By default, file:// URIs cannot read other file:// URIs. This is an override for developers who need the old behavior for testing. 
–allow-hidden-media-playback Allows media playback for hidden WebContents 
–allow-http-background-page Allows non-https URL for background_page for hosted apps. 
–allow-http-screen-capture Allow non-secure origins to use the screen capture API and the desktopCapture extension API. 
–allow-insecure-localhost Enables TLS/SSL errors on localhost to be ignored (no interstitial, no blocking of requests). 
–allow-legacy-extension-manifests Allows the browser to load extensions that lack a modern manifest when that would otherwise be forbidden. 
–allow-loopback-in-peer-connection Allows loopback interface to be added in network list for peer connection. 
–allow-nacl-crxfs-api[3] Specifies comma-separated list of extension ids or hosts to grant access to CRX file system APIs. 
–allow-nacl-file-handle-api[3] Specifies comma-separated list of extension ids or hosts to grant access to file handle APIs. 
–allow-nacl-socket-api[3] Specifies comma-separated list of extension ids or hosts to grant access to TCP/UDP socket APIs. 
–allow-no-sandbox-job Enables the sandboxed processes to run without a job object assigned to them. This flag is required to allow Chrome to run in RemoteApps or Citrix. This flag can reduce the security of the sandboxed processes and allow them to do certain API calls like shut down Windows or access the clipboard. Also we lose the chance to kill some processes until the outer job that owns them finishes. 
–allow-outdated-plugins Don’t block outdated plugins. 
–allow-ra-in-dev-mode Allows remote attestation (RA) in dev mode for testing purpose. Usually RA is disabled in dev mode because it will always fail. However, there are cases in testing where we do want to go through the permission flow even in dev mode. This can be enabled by this flag. 
–allow-running-insecure-content By default, an https page cannot run JavaScript, CSS or plugins from http URLs. This provides an override to get the old insecure behavior. 
–allow-sandbox-debugging Allows debugging of sandboxed processes (see zygote_main_linux.cc). 
–allow-silent-push Allows Web Push notifications that do not show a notification. 
–alsa-check-close-timeout Time in ms to wait before closing the PCM handle when no more mixer inputs remain. Assumed to be 0 if –accept-resource-provider is present. 
–alsa-enable-upsampling Flag that enables resampling audio with sample rate below 32kHz up to 48kHz. Should be set to true for internal audio products. 
–alsa-fixed-output-sample-rate Optional flag to set a fixed sample rate for the alsa device. 
–alsa-input-device[4] The Alsa device to use when opening an audio input stream. 
–alsa-mute-device-name Name of the device the mute mixer should be opened on. If this flag is not specified it will default to the same device as kAlsaVolumeDeviceName. 
–alsa-mute-element-name Name of the simple mixer control element that the ALSA-based media library should use to mute the system. 
–alsa-output-avail-min Minimum number of available frames for scheduling a transfer. 
–alsa-output-buffer-size Size of the ALSA output buffer in frames. This directly sets the latency of the output device. Latency can be calculated by multiplying the sample rate by the output buffer size. 
–alsa-output-device[4] The Alsa device to use when opening an audio stream. 
–alsa-output-period-size Size of the ALSA output period in frames. The period of an ALSA output device determines how many frames elapse between hardware interrupts. 
–alsa-output-start-threshold How many frames need to be in the output buffer before output starts. 
–alsa-volume-device-name Name of the device the volume control mixer should be opened on. Will use the same device as kAlsaOutputDevice and fall back to “default” if kAlsaOutputDevice is not supplied. 
–alsa-volume-element-name Name of the simple mixer control element that the ALSA-based media library should use to control the volume. 
–also-emit-success-logs Also emit full event trace logs for successful tests. 
–alternative The Chrome-Proxy “exp” directive value used by data reduction proxy to receive an alternative back end implementation. 
–always-authorize-plugins Prevents Chrome from requiring authorization to run certain widely installed but less commonly used plugins. 
–always-on No description 
–always-use-complex-text Always use the complex text path for layout tests. 
–alwaystrue No description 
–android-fonts-path Uses the android SkFontManager on linux. The specified directory should include the configuration xml file with the name “fonts.xml”. This is used in blimp to emulate android fonts on linux. 
–android-stderr-port[5] Redirect stderr to the given port. Only supported on Android. 
–android-stdin-port[5] Redirect stdin to the given port. Only supported on Android. 
–android-stdout-port[5] Redirect stdout to the given port. Only supported on Android. 
–angle No description 
–app Specifies that the associated value should be launched in “application” mode. 
–app-auto-launched Specifies whether an app launched in kiosk mode was auto launched with zero delay. Used in order to properly restore auto-launched state during session restore flow. 
–app-id Specifies that the extension-app with the specified id should be launched according to its configuration. 
–app-mode-auth-code Value of GAIA auth code for –force-app-mode. 
–app-mode-oauth-token Value of OAuth2 refresh token for –force-app-mode. 
–app-mode-oem-manifest Path for app’s OEM manifest file. 
–app-shell-allow-roaming Allow roaming in the cellular network. 
–app-shell-host-window-size Size for the host window to create (i.e. “800×600”;)
–app-shell-preferred-network SSID of the preferred WiFi network. 
–app-shell-refresh-token Refresh token for identity API calls for the current user. Used for testing. 
–app-shell-user User email address of the current user. 
–apple No description 
–apps-gallery-download-url The URL that the webstore APIs download extensions from. Note: the URL must contain one ‘%s’ for the extension ID. 
–apps-gallery-update-url The update url used by gallery/webstore extensions. 
–apps-gallery-url The URL to use for the gallery link in the app launcher. 
–apps-keep-chrome-alive-in-tests[6] Prevents Chrome from quitting when Chrome Apps are open. 
–arc-availability Signals ARC support status on this device. This can take one of the following three values. – none: ARC is not installed on this device. (default) – installed: ARC is installed on this device, but not officially supported. Users can enable ARC only when Finch experiment is turned on. – officially-supported: ARC is installed and supported on this device. So users can enable ARC via settings etc. 
–arc-available DEPRECATED: Please use –arc-availability=installed. Signals the availability of the ARC instance on this device. 
–arc-start-mode Defines how to start ARC. This can take one of the following values: – always-start automatically start with Play Store UI support. – always-start-with-no-play-store automatically start without Play Store UI. In both cases ARC starts after login screen in almost all cases. Secondary profile is an exception where ARC won’t start. If it is not set, then ARC is started in default mode. 
–artifacts-dir Screenshot testing: specifies the directoru where artifacts will be stored. 
–ash-animate-from-boot-splash-screen Enables an animated transition from the boot splash screen (Chrome logo on a white background) to the login screen. Implies |kAshCopyHostBackgroundAtBoot| and doesn’t make much sense if used in conjunction with |kDisableBootAnimation| (since the transition begins at the same time as the white/grayscale login screen animation). 
–ash-copy-host-background-at-boot Copies the host window’s content to the system background layer at startup. Can make boot slightly slower, but also hides an even-longer awkward period where we display a white background if the login wallpaper takes a long time to load. 
–ash-debug-shortcuts Enable keyboard shortcuts useful for debugging. 
–ash-dev-shortcuts Enable keyboard shortcuts used by developers only. 
–ash-disable-night-light Disable the Night Light feature. 
–ash-disable-smooth-screen-rotation Disables a smoother animation for screen rotation. 
–ash-disable-touch-exploration-mode Disable the Touch Exploration Mode. Touch Exploration Mode will no longer be turned on automatically when spoken feedback is enabled when this flag is set. 
–ash-enable-magnifier-key-scroller Enables key bindings to scroll magnified screen. 
–ash-enable-mirrored-screen Enables mirrored screen. 
–ash-enable-palette-on-all-displays Enables the palette on every display, instead of only the internal one. 
–ash-enable-scale-settings-tray Enables display scale tray settings. This uses force-device-scale-factor flag to modify the dsf of the device to any non discrete value. 
–ash-enable-software-mirroring Enables software based mirroring. 
–ash-enable-unified-desktop[7] Enables unified desktop mode. 
–ash-estimated-presentation-delay Specifies the estimated time (in milliseconds) from VSYNC event until when visible light can be noticed by the user. 
–ash-hide-notifications-for-factory Hides notifications that are irrelevant to Chrome OS device factory testing, such as battery level updates. 
–ash-host-window-bounds Sets a window size, optional position, and optional scale factor. “1024×768” creates a window of size 1024×768. “100+200-1024×768” positions the window at 100,200. “1024×768*2” sets the scale factor to 2 for a high DPI display. “800,0+800-800×800” for two displays at 800×800 resolution. “800,0+800-800×800,0+1600-800×800” for three displays at 800×800 resolution. 
–ash-shelf-color Enables the shelf color to be derived from the wallpaper. 
–ash-shelf-color-scheme The color scheme to be used when the |kAshShelfColor| feature is enabled. 
–ash-touch-hud Enables the heads-up display for tracking touch points. 
–ash-webui-init When wallpaper boot animation is not disabled this switch is used to override OOBE/sign in WebUI init type. Possible values: parallel|postpone. Default: parallel. 
–attestation-server Determines which Google Privacy CA to use for attestation. 
–audio-buffer-size Allow users to specify a custom buffer size for debugging purpose. 
–audio-output-channels Number of audio output channels. This will be used to send audio buffer with specific number of channels to ALSA and generate loopback audio. Default value is 2. 
–aura-legacy-power-button (Most) Chrome OS hardware reports ACPI power button releases correctly. Standard hardware reports releases immediately after presses. If set, we lock the screen or shutdown the system immediately in response to a press instead of displaying an interactive animation. 
–auth-ext-path Enables overriding the path for the default authentication extension. 
–auth-server-whitelist Whitelist for Negotiate Auth servers 
–auth-spnego-account-type[5] Android authentication account type for SPNEGO authentication 
–auto The values the kTouchEventFeatureDetection switch may have, as in –touch-events=disabled. auto: enabled at startup when an attached touchscreen is present. 
–auto-open-devtools-for-tabs This flag makes Chrome auto-open DevTools window for each tab. It is intended to be used by developers and automation to not require user interaction for opening DevTools. 
–auto-select-desktop-capture-source This flag makes Chrome auto-select the provided choice when an extension asks permission to start desktop capture. Should only be used for tests. For instance, –auto-select-desktop-capture-source=”Entire screen” will automatically select to share the entire screen in English locales. 
–autoplay-policy Command line flag name to set the autoplay policy. 
–blink-settings Set blink settings. Format is <name>[=<value],<name>[=<value>],… The names are declared in Settings.json5. For boolean type, use “true”, “false”, or omit ‘=<value>’ part to set to true. For enum type, use the int value of the enum value. Applied after other command line flags and prefs. 
–bootstrap Values for the kExtensionContentVerification flag. See ContentVerifierDelegate::Mode for more explanation. 
–browser-subprocess-path Path to the exe to run for the renderer and plugin subprocesses. 
–browser-test Tells Content Shell that it’s running as a content_browsertest. 
–bwsi Indicates that the browser is in “browse without sign-in” (Guest session) mode. Should completely disable extensions, sync and bookmarks. 
–bypass-app-banner-engagement-checks This flag causes the user engagement checks for showing app banners to be bypassed. It is intended to be used by developers who wish to test that their sites otherwise meet the criteria needed to show app banners. 
–canvas-msaa-sample-count The number of MSAA samples for canvas2D. Requires MSAA support by GPU to have an effect. 0 disables MSAA. 
–cast-initial-screen-height No description 
–cast-initial-screen-width Used to pass initial screen resolution to GPU process. This allows us to set screen size correctly (so no need to resize when first window is created). 
–cc-layer-tree-test-long-timeout Increases timeout for memory checkers. 
–cc-layer-tree-test-no-timeout Prevents the layer tree unit tests from timing out. 
–cc-rebaseline-pixeltests Makes pixel tests write their output instead of read it. 
–cellular-first If this flag is set, it indicates that this device is a “Cellular First” device. Cellular First devices use cellular telephone data networks as their primary means of connecting to the internet. Setting this flag has two consequences: 1. Cellular data roaming will be enabled by default. 2. UpdateEngine will be instructed to allow auto-updating over cellular data connections. 
–cellular-only No description 
–check-for-update-interval How often (in seconds) to check for updates. Should only be used for testing purposes. 
–check-layout-test-sys-deps Check whether all system dependencies for running layout tests are met. 
–child-wallpaper-large Default large wallpaper to use for kids accounts (as path to trusted, non-user-writable JPEG file). 
–child-wallpaper-small Default small wallpaper to use for kids accounts (as path to trusted, non-user-writable JPEG file). 
–chrome-home-swipe-logic[5] Android authentication account type for SPNEGO authentication 
–ChromeOSMemoryPressureHandling The memory pressure thresholds selection which is used to decide whether and when a memory pressure event needs to get fired. 
–cipher-suite-blacklist Comma-separated list of SSL cipher suites to disable. 
–clamshell No description 
–class[8] The same as the –class argument in X applications. Overrides the WM_CLASS window property with the given value. 
–clear-token-service Clears the token service before using it. This allows simulating the expiration of credentials during testing. 
–cloud-print-file Tells chrome to display the cloud print dialog and upload the specified file for printing. 
–cloud-print-file-type Specifies the mime type to be used when uploading data from the file referenced by cloud-print-file. Defaults to “application/pdf” if unspecified. 
–cloud-print-job-title Used with kCloudPrintFile to specify a title for the resulting print job. 
–cloud-print-print-ticket Used with kCloudPrintFile to specify a JSON print ticket for the resulting print job. Defaults to null if unspecified. 
–cloud-print-setup-proxy Setup cloud print proxy for provided printers. This does not start service or register proxy for autostart. 
–cloud-print-url The URL of the cloud print service to use, overrides any value stored in preferences, and the default. Only used if the cloud print service has been enabled. Used for testing. 
–cloud-print-xmpp-endpoint The XMPP endpoint the cloud print service will use. Only used if the cloud print service has been enabled. Used for testing. 
–compensate-for-unstable-pinch-zoom Enable compensation for unstable pinch zoom. Some touch screens display significant amount of wobble when moving a finger in a straight line. This makes two finger scroll trigger an oscillating pinch zoom. See crbug.com/394380 for details. 
–compile-shader-always-succeeds Always return success when compiling a shader. Linking will still fail. 
–component-updater Comma-separated options to troubleshoot the component updater. Only valid for the browser process. 
–connectivity-check-url Url for network connectivity checking. Default is “https://clients3.google.com/generate_204”. 
–conservative No description 
–content-image-texture-target Texture target for CHROMIUM_image backed content textures. 
–content-shell-host-window-size Size for the content_shell’s host window (i.e. “800×600”;)
–controller No description 
–crash-dumps-dir The directory breakpad should store minidumps in. 
–crash-on-failure When specified to “enable-leak-detection” command-line option, causes the leak detector to cause immediate crash when found leak. 
–crash-on-hang-threads Comma-separated list of BrowserThreads that cause browser process to crash if the given browser thread is not responsive. UI,IO,DB,FILE,CACHE are the list of BrowserThreads that are supported. For example: –crash-on-hang-threads=UI:3:18,IO:3:18 –> Crash the browser if UI or IO is not responsive for 18 seconds and the number of browser threads that are responding is less than or equal to 3. 
–crash-server-url Server url to upload crash data to. Default is “http://clients2.google.com/cr/report” for prod devices. Default is “http://clients2.google.com/cr/staging_report” for non prod. 
–crash-test Causes the browser process to crash on startup. 
–crashpad-handler A process type (switches::kProcessType) that indicates chrome.exe or setup.exe is being launched as crashpad_handler. This is only used on Windows. We bundle the handler into chrome.exe on Windows because there is high probability of a “new” .exe being blocked or interfered with by application firewalls, AV software, etc. On other platforms, crashpad_handler is a standalone executable. 
–create-browser-on-startup-for-tests Some platforms like ChromeOS default to empty desktop. Browser tests may need to add this switch so that at least one browser instance is created on startup. TODO(nkostylev): Investigate if this switch could be removed. (http://crbug.com/148675) 
–create-default-gl-context Ask the GLX driver for the default context instead of trying to get the highest version possible. 
–cros-gaia-api-v1 Forces use of Chrome OS Gaia API v1. 
–cros-region Forces CrOS region value. 
–cros-regions-mode Control regions data load (“” is default). 
–crosh-command[7] Custom crosh command. 
–cryptauth-http-host Overrides the default URL for Google APIs (https://www.googleapis.com) used by CryptAuth. 
–custom-devtools-frontend Specify a custom path to devtools for devtools tests 
–custom-launcher-page Specifies the chrome-extension:// URL for the contents of an additional page added to the app launcher. 
–custom_summary[5] Forces a custom summary to be displayed below the update menu item. 
–d3d11 No description 
–d3d9 No description 
–daemon No description 
–dark_muted No description 
–dark_vibrant No description 
–data-path Makes Content Shell use the given path for its data directory. 
–data-reduction-proxy-config-url The URL from which to retrieve the Data Reduction Proxy configuration. 
–data-reduction-proxy-experiment The name of a Data Reduction Proxy experiment to run. These experiments are defined by the proxy server. Use –force-fieldtrials for Data Reduction Proxy field trials. 
–data-reduction-proxy-http-proxies The semicolon-separated list of proxy server URIs to override the list of HTTP proxies returned by the Data Saver API. It is illegal to use |kDataReductionProxy| or |kDataReductionProxyFallback| switch in conjunction with |kDataReductionProxyHttpProxies|. If the URI omits a scheme, then the proxy server scheme defaults to HTTP, and if the port is omitted then the default port for that scheme is used. E.g. “http://foo.net:80”, “http://foo.net”, “foo.net:80”, and “foo.net” are all equivalent. 
–data-reduction-proxy-lo-fi The mode for Data Reduction Proxy Lo-Fi. The various modes are always-on, cellular-only, slow connections only and disabled. 
–data-reduction-proxy-pingback-url No description 
–data-reduction-proxy-secure-proxy-check-url Sets a secure proxy check URL to test before committing to using the Data Reduction Proxy. Note this check does not go through the Data Reduction Proxy. 
–data-reduction-proxy-server-experiments-disabled Disables server experiments that may be enabled through field trial. 
–dbus-stub Forces the stub implementation of dbus clients. 
–debug-devtools Run devtools tests in debug mode (not bundled and minified) 
–debug-enable-frame-toggle Enables a frame context menu item that toggles the frame in and out of glass mode (Windows Vista and up only). 
–debug-packed-apps Adds debugging entries such as Inspect Element to context menus of packed apps. 
–debug-print[9] Enables support to debug printing subsystem. 
–default No description 
–default-background-color The background color to be used if the page doesn’t specify one. Provided as RGBA integer value in hex, e.g. ‘ff0000ff’ for red or ‘00000000’ for transparent. 
–default-tile-height No description 
–default-tile-width Sets the tile size used by composited layers. 
–default-wallpaper-is-oem Indicates that the wallpaper images specified by kAshDefaultWallpaper{Large,Small} are OEM-specific (i.e. they are not downloadable from Google). 
–default-wallpaper-large Default large wallpaper to use (as path to trusted, non-user-writable JPEG file). 
–default-wallpaper-small Default small wallpaper to use (as path to trusted, non-user-writable JPEG file). 
–delay-reload-stop-button-change Delay the toolbar icon switching between reload and stop when page load state changes. 
–demo Optional value for Data Saver prompt on cellular networks. 
–derelict-detection-timeout Time in seconds before a machine at OOBE is considered derelict. 
–derelict-idle-timeout Time in seconds before a derelict machines starts demo mode. 
–desktop No description 
–desktop-window-1080p When present, desktop cast_shell will create 1080p window (provided display resolution is high enough). Otherwise, cast_shell defaults to 720p. 
–deterministic-fetch Instructs headless_shell to cause network fetches to complete in order of creation. This removes a significant source of network related non-determinism at the cost of slower page loads. 
–device-management-url Specifies the URL at which to fetch configuration policy from the device management backend. 
–device-scale-factor[1] Device scale factor passed to certain processes like renderers, etc. 
–devtools-flags Passes command line parameters to the DevTools front-end. 
–diagnostics Triggers a plethora of diagnostic modes. 
–diagnostics-format Sets the output format for diagnostic modes enabled by diagnostics flag. 
–diagnostics-recovery Tells the diagnostics mode to do the requested recovery step(s). 
–dice[2] No description 
–disable Values for the kShowSavedCopy flag. 
–disable-2d-canvas-clip-aa Disable antialiasing on 2d canvas clips 
–disable-2d-canvas-image-chromium Disables Canvas2D rendering into a scanout buffer for overlay support. 
–disable-3d-apis Disables client-visible 3D APIs, in particular WebGL and Pepper 3D. This is controlled by policy and is kept separate from the other enable/disable switches to avoid accidentally regressing the policy support for controlling access to these APIs. 
–disable-accelerated-2d-canvas Disable gpu-accelerated 2d canvas. 
–disable-accelerated-jpeg-decoding Disable partially decoding jpeg images using the GPU. At least YUV decoding will be accelerated when not using this flag. Has no effect unless GPU rasterization is enabled. 
–disable-accelerated-mjpeg-decode Disable hardware acceleration of mjpeg decode for captured frame, where available. 
–disable-accelerated-video-decode Disables hardware acceleration of video decode, where available. 
–disable-app-info-dialog-mac[6] Disable the toolkit-views App Info dialog for Mac. 
–disable-app-list-dismiss-on-blur If set, the app list will not be dismissed when it loses focus. This is useful when testing the app list or a custom launcher page. It can still be dismissed via the other methods (like the Esc key). 
–disable-app-window-cycling[6] Disables custom Cmd+ window cycling for platform apps and hosted apps. 
--disable-appcontainer No description 
--disable-arc-data-wipe Disables android user data wipe on opt out. 
--disable-arc-opt-in-verification Disables ARC Opt-in verification process and ARC is enabled by default. 
--disable-audio-support-for-desktop-share No description 
--disable-avfoundation-overlays[10] Disable use of AVFoundation to draw video content. 
--disable-background-networking Disable several subsystems which run network requests in the background. This is for use when doing network performance testing to avoid noise in the measurements. 
--disable-background-timer-throttling Disable task throttling of timer tasks from background pages. 
--disable-backing-store-limit Disable limits on the number of backing stores. Can prevent blinking for users with many windows/tabs and lots of memory. 
--disable-blink-features Disable one or more Blink runtime-enabled features. Use names from RuntimeEnabledFeatures.json5, separated by commas. Applied after kEnableBlinkFeatures, and after other flags that change these features. 
--disable-bookmark-reordering Disables bookmark reordering. 
--disable-boot-animation Disables wallpaper boot animation (except of OOBE case). 
--disable-breakpad Disables the crash reporting. 
--disable-browser-task-scheduler No description 
--disable-bundled-ppapi-flash Disables the bundled PPAPI version of Flash. 
--disable-canvas-aa Disable antialiasing on 2d canvas. 
--disable-captive-portal-bypass-proxy Disables bypass proxy for captive portal authorization. 
--disable-cast-streaming-hw-encoding Disables hardware encoding support for Cast Streaming. 
--disable-checker-imaging Disabled defering image decodes to the image decode service. 
--disable-clear-browsing-data-counters Disables data volume counters in the Clear Browsing Data dialog. 
--disable-client-side-phishing-detection Disables the client-side phishing detection feature. Note that even if client-side phishing detection is enabled, it will only be active if the user has opted in to UMA stats and SafeBrowsing is enabled in the preferences. 
--disable-cloud-import Disables cloud backup feature. 
--disable-component-cloud-policy Disables fetching and storing cloud policy for components. 
--disable-component-extensions-with-background-pages Disable default component extensions with background pages - useful for performance tests where these pages may interfere with perf results. 
--disable-component-update No description 
--disable-composited-antialiasing Disables layer-edge anti-aliasing in the compositor. 
--disable-contextual-search Disables Contextual Search. 
--disable-d3d11 Disables use of D3D11. 
--disable-databases Disables HTML5 DB support. 
--disable-datasaver-prompt Disables Data Saver prompt on cellular networks. 
--disable-default-apps Disables installation of default apps on first run. This is used during automated testing. 
--disable-demo-mode Disables the Chrome OS demo. 
--disable-device-disabling If this switch is set, the device cannot be remotely disabled by its owner. 
--disable-device-discovery-notifications Disables device discovery notifications. 
--disable-dinosaur-easter-egg Disables the dinosaur easter egg on the offline interstitial. 
--disable-direct-composition Disables the use of DirectComposition to draw to the screen. 
--disable-direct-composition-layers Disables using DirectComposition layers. 
--disable-directwrite-for-ui[1] Disables DirectWrite font rendering for general UI elements. 
--disable-display-color-calibration[7] No description 
--disable-display-list-2d-canvas No description 
--disable-distance-field-text Disables distance field text. 
--disable-domain-blocking-for-3d-apis Disable the per-domain blocking for 3D APIs after GPU reset. This switch is intended only for tests. 
--disable-domain-reliability Disables Domain Reliability Monitoring. 
--disable-drive-search-in-app-launcher No description 
--disable-dwm-composition Disables use of DWM composition for top level windows. 
--disable-encryption-migration Disable encryption migration for user's cryptohome to run latest Arc. 
--disable-eol-notification Disables notification when device is in end of life status. 
--disable-es3-apis Disable OpenGL ES 3 APIs. This in turn will disable WebGL2. 
--disable-es3-gl-context Disables use of ES3 backend (use ES2 backend instead). 
--disable-extensions Disable extensions. 
--disable-extensions-except Disable extensions except those specified in a comma-separated list. 
--disable-extensions-file-access-check Disable checking for user opt-in for extensions that want to inject script into file URLs (ie, always allow it). This is used during automated testing. 
--disable-extensions-http-throttling Disable the net::URLRequestThrottlerManager functionality for requests originating from extensions. 
--disable-fast-web-scroll-view-insets Disables a workaround for fast inset updates for UIWebView.scrollView. 
--disable-features Lists separated by commas the name of features to disable. See base::FeatureList::InitializeFromCommandLine for details. 
--disable-field-trial-config Disable field trial tests configured in fieldtrial_testing_config.json. 
--disable-file-manager-touch-mode Touchscreen-specific interactions of the Files app. 
--disable-file-system Disable FileSystem API. 
--disable-flash-3d Disable 3D inside of flapper. 
--disable-flash-stage3d Disable Stage3D inside of flapper. 
--disable-fullscreen-low-power-mode[6] Disables fullscreen low power mode on Mac. 
--disable-fullscreen-tab-detaching[6] Disables tab detaching in fullscreen mode on Mac. 
--disable-gaia-services Disables GAIA services such as enrollment and OAuth session restore. Used by 'fake' telemetry login. 
--disable-gesture-editing No description 
--disable-gesture-requirement-for-presentation Disable user gesture requirement for presentation. 
--disable-gesture-typing No description 
--disable-gl-drawing-for-tests Disables GL drawing operations which produce pixel output. With this the GL output will not be correct but tests will run faster. 
--disable-gl-error-limit Disable the GL error log limit. 
--disable-gl-extensions Disables specified comma separated GL Extensions if found. 
--disable-glsl-translator Disable the GLSL translator. 
--disable-gpu Disables GPU hardware acceleration. If software renderer is not in place, then the GPU process won't launch. 
--disable-gpu-compositing Prevent the compositor from using its GPU implementation. 
--disable-gpu-driver-bug-workarounds Disable workarounds for various GPU driver bugs. 
--disable-gpu-early-init Disable proactive early init of GPU process. 
--disable-gpu-memory-buffer-compositor-resources Do not force that all compositor resources be backed by GPU memory buffers. 
--disable-gpu-memory-buffer-video-frames Disable GpuMemoryBuffer backed VideoFrames. 
--disable-gpu-process-crash-limit Disable the limit on the number of times the GPU process may be restarted. For tests and platforms where software fallback is disabled. 
--disable-gpu-program-cache Turn off gpu program caching 
--disable-gpu-rasterization Disable GPU rasterization, i.e. rasterize on the CPU only. Overrides the kEnableGpuRasterization and kForceGpuRasterization flags. 
--disable-gpu-sandbox Disable the GPU process sandbox. 
--disable-gpu-shader-disk-cache Disables the GPU shader on disk cache. 
--disable-gpu-vsync Stop the GPU from synchronizing on the vsync before presenting. We can select from the options below: beginframe: Next frame can start without any delay on cc::scheduler in renderer compositors. gpu: Disable display and browser vsync. default: Set both flags. 
--disable-gpu-watchdog Disable the thread that crashes the GPU process if it stops responding to messages. 
--disable-hang-monitor Suppresses hang monitor dialogs in renderer processes. This may allow slow unload handlers on a page to prevent the tab from closing, but the Task Manager can be used to terminate the offending process in this case. 
--disable-hid-detection-on-oobe Disables HID-detection OOBE screen. 
--disable-histogram-customizer Disable the RenderThread's HistogramCustomizer. 
--disable-hosted-app-shim-creation[6] Disables app shim creation for hosted apps on Mac. 
--disable-hosted-apps-in-windows[6] Prevents hosted apps from being opened in windows on Mac. 
--disable-in-process-stack-traces Disable the in-process stack traces. 
--disable-infobars Prevent infobars from appearing. 
--disable-input-view No description 
--disable-ios-password-generation Disable password generation for iOS. 
--disable-ios-password-suggestions Disable showing available password credentials in the keyboard accessory view when focused on form fields. 
--disable-ios-physical-web Disables Physical Web scanning for nearby URLs. 
--disable-javascript-harmony-shipping Disable latest shipping ECMAScript 6 features. 
--disable-kill-after-bad-ipc Don't kill a child process when it sends a bad IPC message. Apart from testing, it is a bad idea from a security perspective to enable this switch. 
--disable-lcd-text Disables LCD text. 
--disable-legacy-window[1] Disable the Legacy Window which corresponds to the size of the WebContents. 
--disable-local-storage Disable LocalStorage. 
--disable-logging Force logging to be disabled. Logging is enabled by default in debug builds. 
--disable-logging-redirect[7] Disables logging redirect for testing. 
--disable-login-animations Avoid doing expensive animations upon login. 
--disable-login-screen-apps[7] Disables apps on the login screen. By default, they are allowed and can be installed through policy. 
--disable-low-end-device-mode Force disabling of low-end device mode when set. 
--disable-low-latency-dxva Disables using CODECAPI_AVLowLatencyMode when creating DXVA decoders. 
--disable-low-res-tiling When using CPU rasterizing disable low resolution tiling. This uses less power, particularly during animations, but more white may be seen during fast scrolling especially on slower devices. 
--disable-lru-snapshot-cache Disable the snapshots lru cache. 
--disable-mac-overlays[10] Fall back to using CAOpenGLLayers display content, instead of the IOSurface based overlay display path. 
--disable-mac-views-native-app-windows[6]Disables use of toolkit-views based native app windows. 
--disable-machine-cert-request Disables requests for an enterprise machine certificate during attestation. 
--disable-main-frame-before-activation Disables sending the next BeginMainFrame before the previous commit activates. Overrides the kEnableMainFrameBeforeActivation flag. 
--disable-md-oobe Disables material design OOBE UI. 
--disable-media-session-api[5] Disable Media Session API 
--disable-media-suspend No description 
--disable-merge-key-char-events[1] Disables merging the key event (WM_KEY*) with the char event (WM_CHAR). 
--disable-mojo-local-storage Dont use a Mojo-based LocalStorage implementation. 
--disable-mojo-renderer[11] Rather than use the renderer hosted remotely in the media service, fall back to the default renderer within content_renderer. Does not change the behavior of the media service. 
--disable-mtp-write-support Disables mtp write support. 
--disable-multi-display-layout Disables the multiple display layout UI. 
--disable-namespace-sandbox Disables usage of the namespace sandbox. 
--disable-native-cups[7] Disables native cups integration 
--disable-native-gpu-memory-buffers Disables native GPU memory buffer support. 
--disable-network-portal-notification Disables notifications about captive portals in session. 
--disable-new-channel-switcher-ui Disables new channel switcher UI. 
--disable-new-korean-ime Disables the new Korean IME in chrome://settings/languages. 
--disable-new-virtual-keyboard-behavior Disable new window behavior for virtual keyboard (do not change work area in non-sticky mode). 
--disable-new-zip-unpacker Disables the new File System Provider API based ZIP unpacker. 
--disable-notifications Disables the Web Notification and the Push APIs. 
--disable-ntp-most-likely-favicons-from-server Disables the new Google favicon server for fetching favicons for Most Likely tiles on the New Tab Page. 
--disable-ntp-popular-sites Disables showing popular sites on the NTP. 
--disable-nv12-dxgi-video Disables the video decoder from drawing to an NV12 textures instead of ARGB. 
--disable-offer-store-unmasked-wallet-cards Force hiding the local save checkbox in the autofill dialog box for getting the full credit card number for a wallet card. The card will never be stored locally. 
--disable-offer-upload-credit-cards Disables offering to upload credit cards. 
--disable-office-editing-component-extension Disables Office Editing for Docs, Sheets & Slides component app so handlers won't be registered, making it possible to install another version for testing. 
--disable-offline-auto-reload Disable auto-reload of error pages if offline. 
--disable-offline-auto-reload-visible-only Disable only auto-reloading error pages when the tab is visible. 
--disable-origin-trial-controlled-blink-features Disables all RuntimeEnabledFeatures that can be enabled via OriginTrials. 
--disable-overscroll-edge-effect[5] Disable overscroll edge effects like those found in Android views. 
--disable-panel-fitting[7] Disables panel fitting (used for mirror mode). 
--disable-partial-raster Disable partial raster in the renderer. Disabling this switch also disables the use of persistent gpu memory buffers. 
--disable-password-generation Disables password generation when we detect that the user is going through account creation. 
--disable-pepper-3d Disable Pepper3D. 
--disable-pepper-3d-image-chromium Disable Image Chromium for Pepper 3d. 
--disable-permission-action-reporting Disables permission action reporting to Safe Browsing servers for opted in users. 
--disable-permissions-api Disables the Permissions API. 
--disable-physical-keyboard-autocorrect Disables suggestions while typing on a physical keyboard. 
--disable-pinch Disables compositor-accelerated touch-screen pinch gestures. 
--disable-pnacl-crash-throttling Disables crash throttling for Portable Native Client. 
--disable-popup-blocking Disable pop-up blocking. 
--disable-prefer-compositing-to-lcd-text Disable the creation of compositing layers when it would prevent LCD text. 
--disable-presentation-api Disables the Presentation API. 
--disable-print-preview Disables print preview (For testing, and for users who don't like us. :[ ) 
--disable-prompt-on-repost Normally when the user attempts to navigate to a page that was the result of a post we prompt to make sure they want to. This switch may be used to disable that check. This switch is used during automated testing. 
--disable-proximity-auth-bluetooth-low-energy-discovery Disables discovery of the phone over Bluetooth Low Energy. 
--disable-pull-to-refresh-effect[5] Disable the pull-to-refresh effect when vertically overscrolling content. 
--disable-push-api-background-mode Enable background mode for the Push API. 
--disable-reading-from-canvas Taints all <canvas> elements, regardless of origin. 
--disable-remote-core-animation[10] Disable use of cross-process CALayers to display content directly from the GPU process on Mac. 
--disable-remote-fonts Disables remote web font support. SVG font should always work whether this option is specified or not. 
--disable-remote-playback-api Disables the RemotePlayback API. 
--disable-renderer-accessibility Turns off the accessibility in the renderer. 
--disable-renderer-backgrounding Prevent renderer process backgrounding when set. 
--disable-renderer-priority-management No not manage renderer process priority at all when set. 
--disable-request-mobile-site Disables Request Mobile Site. 
--disable-resize-lock Whether the resize lock is disabled. Default is false. This is generally only useful for tests that want to force disabling. 
--disable-rgba-4444-textures Disables RGBA_4444 textures. 
--disable-rollback-option Disables rollback option on reset screen. 
--disable-rtc-smoothness-algorithm Disables the new rendering algorithm for webrtc, which is designed to improve the rendering smoothness. 
--disable-screen-orientation-lock[5] Disable the locking feature of the screen orientation API. 
--disable-search-geolocation-disclosure Disables showing the search geolocation disclosure UI. Used for perf testing. 
--disable-seccomp-filter-sandbox Disable the seccomp filter sandbox (seccomp-bpf) (Linux only). 
--disable-settings-window Disable settings in a separate browser window per profile (see SettingsWindowEnabled() below). 
--disable-setuid-sandbox Disable the setuid sandbox (Linux only). 
--disable-shader-name-hashing Turn off user-defined name hashing in shaders. 
--disable-shared-workers Disable shared workers. 
--disable-signin-promo Disables sign-in promo. 
--disable-signin-scoped-device-id Disables sending signin scoped device id to LSO with refresh token request. 
--disable-single-click-autofill The "disable" flag for kEnableSingleClickAutofill. 
--disable-skia-runtime-opts Do not use runtime-detected high-end CPU optimizations in Skia. This is useful for forcing a baseline code path for e.g. layout tests. 
--disable-slim-navigation-manager Disables the WKBackForwardList based navigation manager experiment. 
--disable-slimming-paint-invalidation Disable paint invalidation based on slimming paint. See kEnableSlimmingPaintInvalidation. 
--disable-smooth-scrolling Disable smooth scrolling for testing. 
--disable-software-rasterizer Disables the use of a 3D software rasterizer. 
--disable-speech-api Disables the Web Speech API. 
--disable-suggestions-ui Disables the Suggestions UI 
--disable-sync Disables syncing browser data to a Google Account. 
--disable-sync-app-list No description 
--disable-sync-types Disables syncing one or more sync data types that are on by default. See sync/base/model_type.h for possible types. Types should be comma separated, and follow the naming convention for string representation of model types, e.g.: --disable-synctypes='Typed URLs, Bookmarks, Autofill Profiles' 
--disable-system-timezone-automatic-detection Disables SystemTimezoneAutomaticDetection policy. 
--disable-tab-for-desktop-share Enables tab for desktop sharing. 
--disable-tab-strip-autoscroll-new-tabs Disables the tab strip auto scroll new tabs. 
--disable-third-party-keyboard-workaround Disables the 3rd party keyboard omnibox workaround. 
--disable-threaded-animation No description 
--disable-threaded-compositing Disable multithreaded GPU compositing of web content. 
--disable-threaded-scrolling Disable multithreaded, compositor scrolling of web content. 
--disable-touch-adjustment Disables touch adjustment. 
--disable-touch-drag-drop Disables touch event based drag and drop. 
--disable-translate-new-ux[6] Disables Translate experimental new UX which replaces the infobar. 
--disable-usb-keyboard-detect[1] Disables the USB keyboard detection for blocking the OSK on Win8+. 
--disable-v8-idle-tasks Disable V8 idle tasks. 
--disable-vaapi-accelerated-video-encode[7]Disables VA-API accelerated video encode. 
--disable-virtual-keyboard-overscroll No description 
--disable-voice-input No description 
--disable-volume-adjust-sound Disables volume adjust sound. 
--disable-wake-on-wifi Disables wake on wifi features. 
--disable-web-notification-custom-layouts Disables Web Notification custom layouts. 
--disable-web-security Don't enforce the same-origin policy. (Used by people testing their sites.) 
--disable-webgl Disable experimental WebGL support. 
--disable-webgl-image-chromium Disables WebGL rendering into a scanout buffer for overlay support. 
--disable-webrtc-encryption[12] Disables encryption of RTP Media for WebRTC. When Chrome embeds Content, it ignores this switch on its stable and beta channels. 
--disable-webrtc-hw-decoding[12] Disables HW decode acceleration for WebRTC. 
--disable-webrtc-hw-encoding[12] Disables HW encode acceleration for WebRTC. 
--disable-win32k-lockdown[1] Disables the Win32K process mitigation policy for child processes. 
--disable-xss-auditor Disables Blink's XSSAuditor. The XSSAuditor mitigates reflective XSS. 
--disable-zero-browsers-open-for-tests Some tests seem to require the application to close when the last browser window is closed. Thus, we need a switch to force this behavior for ChromeOS Aura, disable "zero window mode". TODO(pkotwicz): Investigate if this bug can be removed. (http://crbug.com/119175) 
--disable-zero-copy Disable rasterizer that writes directly to GPU memory associated with tiles. 
--disable-zero-copy-dxgi-video Disable the video decoder from drawing directly to a texture. 
--disabled disabled: touch events are disabled. 
--disabled-new-style-notification No description 
--disallow-non-exact-resource-reuse Disable re-use of non-exact resources to fulfill ResourcePool requests. Intended only for use in layout or pixel tests to reduce noise. 
--disk-cache-dir Use a specific disk cache location, rather than one derived from the UserDatadir. 
--disk-cache-size Forces the maximum disk space to be used by the disk cache, in bytes. 
--display[13] Which X11 display to connect to. Emulates the GTK+ "--display=" command line argument. 
--dmg-device[6] When switches::kProcessType is switches::kRelauncherProcess, if this switch is also present, the relauncher process will unmount and eject a mounted disk image and move its disk image file to the trash. The argument's value must be a BSD device name of the form "diskN" or "diskNsM". 
--dns-log-details No description 
--document-user-activation-required Autoplay policy that requires a document user activation. 
--dom-automation Specifies if the |DOMAutomationController| needs to be bound in the renderer. This binding happens on per-frame basis and hence can potentially be a performance bottleneck. One should only enable it when automating dom based tests. 
--draft No description 
--draw-view-bounds-rects Draws a semitransparent rect to indicate the bounds of each view. 
--duck-flash[3] This value is used as an option for |kEnableAudioFocus|. Flash will be ducked when losing audio focus. 
--dump-blink-runtime-call-stats Logs Runtime Call Stats for Blink. --single-process also needs to be used along with this for the stats to be logged. 
--dump-browser-histograms Requests that a running browser process dump its collected histograms to a given file. The file is overwritten if it exists. 
--dump-dom Instructs headless_shell to print document.body.innerHTML to stdout. 
--eafe-path EAFE path to use for Easy bootstrapping. 
--eafe-url EAFE URL to use for Easy bootstrapping. 
--easy-unlock-app-path Overrides the path of Easy Unlock component app. 
--edge-touch-filtering[14] Tells Chrome to do edge touch filtering. Useful for convertible tablet. 
--egl No description 
--elevate No description 
--embedded-extension-options Enables extension options to be embedded in chrome://extensions rather than a new tab. 
--emphasize-titles-in-omnibox-dropdown Causes the omnibox dropdown to emphasize the titles of URL suggestions for query-like inputs. 
--emulate-shader-precision Emulate ESSL lowp and mediump float precisions by mutating the shaders to round intermediate values in ANGLE. 
--enable-accelerated-2d-canvas Enable accelerated 2D canvas. 
--enable-accelerated-vpx-decode[1] Enables experimental hardware acceleration for VP8/VP9 video decoding. Bitmask - 0x1=Microsoft, 0x2=AMD, 0x03=Try all. 
--enable-accessibility-tab-switcher[5] Enable the accessibility tab switcher. 
--enable-adaptive-selection-handle-orientation[5] Enable inverting of selection handles so that they are not clipped by the viewport boundaries. 
--enable-aggressive-domstorage-flushing Enable the aggressive flushing of DOM Storage to minimize data loss. 
--enable-android-wallpapers-app Enables the Android Wallpapers App as the default app on Chrome OS. 
--enable-app-info-dialog-mac[6] Enable the toolkit-views App Info dialog for Mac. This is accessible from chrome://apps and chrome://extensions and is already enabled on non-mac. 
--enable-app-list If set, the app list will be enabled as if enabled from CWS. 
--enable-app-window-cycling[6] Enables custom Cmd+ window cycling for platform apps and hosted apps. 
–enable-appcontainer Enable or disable appcontainer/lowbox for renderer on Win8+ platforms. 
–enable-arc DEPRECATED. Please use –arc-availability=officially-supported. Enables starting the ARC instance upon session start. 
–enable-arc-oobe-optin Enables ARC OptIn flow in OOBE. 
–enable-audio-debug-recordings-from-extension If the WebRTC logging private API is active, enables audio debug recordings. 
–enable-audio-focus[15] Enable a internal audio focus management between tabs in such a way that two tabs can’t play on top of each other. The allowed values are: “” (empty) or |kEnableAudioFocusDuckFlash|. 
–enable-automation Inform users that their browser is being controlled by an automated test. 
–enable-benchmarking TODO(asvitkine): Consider removing or renaming this functionality. Enables the benchmarking extensions. 
–enable-ble-advertising-in-apps Enable BLE Advertisiing in apps. 
–enable-blink-features Enable one or more Blink runtime-enabled features. Use names from RuntimeEnabledFeatures.json5, separated by commas. Applied before kDisableBlinkFeatures, and after other flags that change these features. 
–enable-bookmark-reordering Enables bookmark reordering. 
–enable-bookmark-undo Enables the multi-level undo system for bookmarks. 
–enable-browser-side-navigation PlzNavigate: Use the experimental browser-side navigation path. 
–enable-browser-task-scheduler No description 
–enable-checker-imaging Enables defering image decodes to the image decode service. 
–enable-chromevox-arc-support Enables native ChromeVox support for Arc. 
–enable-clear-browsing-data-counters Enables data volume counters in the Clear Browsing Data dialog. 
–enable-cloud-print-proxy This applies only when the process type is “service”. Enables the Cloud Print Proxy component within the service process. 
–enable-cloud-print-xps[1] Fallback to XPS. By default connector uses CDD. 
–enable-consumer-kiosk Enables consumer kiosk mode for Chrome OS. 
–enable-contextual-search Enables Contextual Search. 
–enable-crash-reporter Enable chrash reporter for headless. 
–enable-crash-reporter-for-testing[16] Used for turning on Breakpad crash reporting in a debug environment where crash reporting is typically compiled but disabled. 
–enable-crx-hash-check Enable package hash check: the .crx file sha256 hash sum should be equal to the one received from update manifest. 
–enable-data-reduction-proxy-bypass-warning Enable the data reduction proxy bypass warning. 
–enable-data-reduction-proxy-force-pingback Enables sending a pageload metrics pingback after every page load. 
–enable-data-reduction-proxy-lite-page Enables lite page from the data reduction proxy. This means a lite page should be requested instead of placeholders whenever Lo-Fi mode is on. Lo-fi must also be enabled via a flag or field trial. 
–enable-data-reduction-proxy-savings-promo Enables a 1 MB savings promo for the data reduction proxy. 
–enable-datasaver-prompt Enables Data Saver prompt on cellular networks. 
–enable-device-discovery-notifications Enable device discovery notifications. 
–enable-devtools-experiments If true devtools experimental settings are enabled. 
–enable-direct-composition-layers Enables using DirectComposition layers, even if hardware overlays aren’t supported. 
–enable-display-list-2d-canvas Enables display list based 2d canvas implementation. Options: 1. Enable: allow browser to use display list for 2d canvas (browser makes decision). 2. Force: browser always uses display list for 2d canvas. 
–enable-distance-field-text Enables using signed distance fields when rendering text. Only valid if GPU rasterization is enabled as well. 
–enable-distillability-service No description 
–enable-dom-distiller No description 
–enable-domain-reliability Enables Domain Reliability Monitoring. 
–enable-drive-search-in-app-launcher Enable/disable drive search in chrome launcher. 
–enable-drm-atomic Try to enable drm atomic. This works only with drm platform. 
–enable-embedded-extension-options Hack so that feature switch can work with about_flags. See kEnableScriptsRequireAction. 
–enable-encryption-migration Enables encryption migration for user’s cryptohome to run latest Arc. 
–enable-encryption-selection[8] Enables the feature of allowing the user to disable the backend via a setting. 
–enable-es3-apis Enable OpenGL ES 3 APIs. 
–enable-exclusive-audio[1] Use exclusive mode audio streaming for Windows Vista and higher. Leads to lower latencies for audio streams which uses the AudioParameters::AUDIO_PCM_LOW_LATENCY audio path. See http://msdn.microsoft.com/en-us/library/windows/desktop/dd370844.aspx for details. 
–enable-experimental-accessibility-features Shows additional checkboxes in Settings to enable Chrome OS accessibility features that haven’t launched yet. 
–enable-experimental-canvas-features Enable experimental canvas features, e.g. canvas 2D context attributes 
–enable-experimental-extension-apis Enables extension APIs that are in development. 
–enable-experimental-fullscreen-exit-ui Enables an experimental full screen exit UI to allow exiting fullscreen from mouse or touch. 
–enable-experimental-input-view-features No description 
–enable-experimental-web-platform-features Enables Web Platform features that are in development. 
–enable-extension-activity-log-testing No description 
–enable-extension-activity-logging Enables logging for extension activity. 
–enable-extension-assets-sharing Enables sharing assets for installed default apps. 
–enable-fast-unload Enable the fast unload controller, which speeds up tab/window close by running a tab’s onunload js handler independently of the GUI – crbug.com/142458 . 
–enable-fast-web-scroll-view-insets Enables a workaround for fast inset updates for UIWebView.scrollView. 
–enable-features Lists separated by commas the name of features to disable. See base::FeatureList::InitializeFromCommandLine for details. 
–enable-file-manager-touch-mode No description 
–enable-first-run-ui-transitions Enables animated transitions during first-run tutorial. 
–enable-floating-virtual-keyboard No description 
–enable-font-antialiasing Enable font antialiasing for pixel tests. 
–enable-fullscreen-app-list If set, fullscreen app list will be enabled as if the feature flag was set. 
–enable-fullscreen-tab-detaching[6] Enables tab detaching in fullscreen mode on Mac. 
–enable-fullscreen-toolbar-reveal[6] Enables the fullscreen toolbar to reveal itself for tab strip changes. 
–enable-google-branded-context-menu[17]Shows a Google icon next to context menu items powered by Google services. 
–enable-gpu-async-worker-context Makes the GL worker context run asynchronously by using a separate stream. 
–enable-gpu-benchmarking Enables the GPU benchmarking extension 
–enable-gpu-client-logging Enable GPU client logging. 
–enable-gpu-client-tracing Enables TRACE for GL calls in the renderer. 
–enable-gpu-command-logging Turn on Logging GPU commands. 
–enable-gpu-debugging Turn on Calling GL Error after every command. 
–enable-gpu-driver-debug-logging Enable logging of GPU driver debug messages. 
–enable-gpu-memory-buffer-compositor-resources Specify that all compositor resources should be backed by GPU memory buffers. 
–enable-gpu-memory-buffer-video-frames Enable GpuMemoryBuffer backed VideoFrames. 
–enable-gpu-rasterization Allow heuristics to determine when a layer tile should be drawn with the Skia GPU backend. Only valid with GPU accelerated compositing + impl-side painting. 
–enable-gpu-service-logging Turns on GPU logging (debug build only). 
–enable-gpu-service-tracing Turns on calling TRACE for every GL call. 
–enable-hardware-overlays Enable compositing individual elements via hardware overlays when permitted by device. Setting the flag to “single-fullscreen” will try to promote a single fullscreen overlay and use it as main framebuffer where possible. 
–enable-harfbuzz-rendertext[6] Enables the HarfBuzz port of RenderText on Mac (it’s already used only for text editing; this enables it for everything else). 
–enable-hdr Use an fp16 scRGB swap chain compatible with HDR output. 
–enable-heap-profiling Makes memory allocators keep track of their allocations and context, so a detailed breakdown of memory usage can be presented in chrome://tracing when the memory-infra category is enabled. 
–enable-hosted-app-quit-notification[6] Shows a notification when quitting Chrome with hosted apps running. Default behavior is to also quit all hosted apps. 
–enable-hosted-apps-in-windows[6] Allows hosted apps to be opened in windows on Mac. 
–enable-hotword-hardware Enables experimental hotword features specific to always-on. 
–enable-hung-renderer-infobar[5] Enables a hung renderer InfoBar allowing the user to close or wait on unresponsive web content. 
–enable-inband-text-tracks Enables support for inband text tracks in media content. 
–enable-internal-media-session[18] Turns on the internal media session backend. This should be used by embedders that want to control the media playback with the media session interfaces. 
–enable-ios-handoff-to-other-devices Enables support for Handoff from Chrome on iOS to the default browser of other Apple devices. 
–enable-ios-password-generation Enable password generation for iOS. 
–enable-ios-physical-web Enables Physical Web scanning for nearby URLs. 
–enable-layer-lists Switches cc machinery to use layer lists instead of layer trees 
–enable-lcd-text Enables LCD text. 
–enable-leak-detection Enables the leak detection of loading webpages. This allows us to check whether or not reloading a webpage releases web-related objects correctly. 
–enable-local-file-accesses Enable file accesses. It should not be enabled for most Cast devices. 
–enable-local-sync-backend Enabled the local sync backend implemented by the LoopbackServer. 
–enable-lock-screen-apps Enables action handler apps (e.g. creating new notes) on lock screen. 
–enable-logging Controls whether console logging is enabled and optionally configures where it’s routed. 
–enable-longpress-drag-selection[5] Enable drag manipulation of longpress-triggered text selections. 
–enable-low-end-device-mode Force low-end device mode when set. 
–enable-low-res-tiling When using CPU rasterizing generate low resolution tiling. Low res tiles may be displayed during fast scrolls especially on slower devices. 
–enable-lru-snapshot-cache Enables the snapshot lru cache. 
–enable-mac-views-native-app-windows[6]Enables use of toolkit-views based native app windows. 
–enable-main-frame-before-activation Enables sending the next BeginMainFrame before the previous commit activates. 
–enable-md-feedback Enables the Material Design feedback form. 
–enable-md-policy-page Enables the Material Design policy page at chrome://md-policy. 
–enable-media-suspend Suspend media pipeline on background tabs. 
–enable-merge-key-char-events[1] Enables merging the key event (WM_KEY*) with the char event (WM_CHAR). 
–enable-message-center-always-scroll-up-upon-notification-removal Enables message center to always move other notifications upwards when a notification is removed, no matter whether the message center is displayed top down or not. 
–enable-nacl Runs the Native Client inside the renderer process and enables GPU plugin (internally adds lEnableGpuPlugin to the command line). 
–enable-nacl-debug Enables debugging via RSP over a socket. 
–enable-nacl-nonsfi-mode Enables Non-SFI mode, in which programs can be run without NaCl’s SFI sandbox. 
–enable-native-gpu-memory-buffers Enable native GPU memory buffer support when available. 
–enable-natural-scroll-default Enables natural scroll by default. 
–enable-navigation-tracing Enables tracing for each navigation. It will attempt to trace each navigation for 10s, until the buffer is full, or until the next navigation. It only works if a URL was provided by –trace-upload-url. 
–enable-net-benchmarking Enables the network-related benchmarking extensions. 
–enable-network-information-downlink-max Enables the type, downlinkMax attributes of the NetInfo API. Also, enables triggering of change attribute of the NetInfo API when there is a change in the connection type. 
–enable-network-portal-notification Enables notifications about captive portals in session. 
–enable-ntp-most-likely-favicons-from-server Enables the new Google favicon server for fetching favicons for Most Likely tiles on the New Tab Page. 
–enable-ntp-popular-sites Enables showing popular sites on the NTP. 
–enable-ntp-search-engine-country-detection Enables using the default search engine country to show country specific popular sites on the NTP. 
–enable-offer-store-unmasked-wallet-cards Force showing the local save checkbox in the autofill dialog box for getting the full credit card number for a wallet card. 
–enable-offer-upload-credit-cards Enables offering to upload credit cards. 
–enable-offline-auto-reload Enable auto-reload of error pages if offline. 
–enable-offline-auto-reload-visible-only Only auto-reload error pages when the tab is visible. 
–enable-osk-overscroll[5] Enables overscrolling for the OSK on Android. 
–enable-override-bookmarks-ui Enables extensions to hide bookmarks UI elements. 
–enable-partial-raster Enable partial raster in the renderer. 
–enable-password-generation Enables password generation when we detect that the user is going through account creation. 
–enable-pepper-testing Enables the testing interface for PPAPI. 
–enable-permission-action-reporting Enables permission action reporting to Safe Browsing servers for opted in users. 
–enable-physical-keyboard-autocorrect Enables suggestions while typing on a physical keyboard. 
–enable-picture-in-picture Enables the picture in picture feature for videos. 
–enable-pinch Enables compositor-accelerated touch-screen pinch gestures. 
–enable-pixel-output-in-tests Forces tests to produce pixel output when they normally wouldn’t. 
–enable-plugin-placeholder-testing Enables testing features of the Plugin Placeholder. For internal use only. 
–enable-potentially-annoying-security-features Enables a number of potentially annoying security features (strict mixed content mode, powerful feature restrictions, etc.) 
–enable-power-overlay Enables the Power overlay in Settings. 
–enable-precise-memory-info Make the values returned to window.performance.memory more granular and more up to date in shared worker. Without this flag, the memory information is still available, but it is bucketized and updated less frequently. This flag also applys to workers. 
–enable-prefer-compositing-to-lcd-text Enable the creation of compositing layers when it would prevent LCD text. 
–enable-print-browser Enables PrintBrowser mode, in which everything renders as though printed. 
–enable-print-preview-register-promos Enables showing unregistered printers in print preview 
–enable-profile-shortcut-manager[1] Force-enables the profile shortcut manager. This is needed for tests since they use a custom-user-data-dir which disables this. 
–enable-profiling Enables tracking of tasks in profiler for viewing via about:profiler. To predominantly disable tracking (profiling), use the command line switch: –enable-profiling=0 Some tracking will still take place at startup, but it will be turned off during chrome_browser_main. 
–enable-push-api-background-mode Enable background mode for the Push API. 
–enable-reader-mode-toolbar-icon Enables context-sensitive reader mode button in the toolbar. 
–enable-request-tablet-site Enables request of tablet site (via user agent override). 
–enable-rgba-4444-textures Enables RGBA_4444 textures. 
–enable-sandbox Enables the sandbox on this process. 
–enable-sandbox-logging Cause the OS X sandbox write to syslog every time an access to a resource is denied by the sandbox. 
–enable-screenshot-testing-with-mode Enables using screenshots in tests and seets mode. 
–enable-scripts-require-action FeatureSwitch and about_flags don’t play nice. Feature switch expects either –enable-<feature> or –<feature>=1, but about_flags expects the command line argument to enable it (or a selection). Hack this in, so enabling it in about_flags enables the feature. Appending this flag has the same effect as –scripts-require-action=1. 
–enable-scroll-prediction Enable scroll prediction for scroll update events. 
–enable-service-manager-tracing Enable the tracing service. 
–enable-settings-window Enable settings in a separate browser window per profile (see SettingsWindowEnabled() below). 
–enable-sgi-video-sync Enable use of the SGI_video_sync extension, which can have driver/sandbox/window manager compatibility issues. 
–enable-signin-promo Enables sign-in promo. 
–enable-single-click-autofill Enables/disables suggestions without typing anything (on first click). 
–enable-site-settings Enables the site settings all sites list and site details pages in the Chrome settings UI. 
–enable-skia-benchmarking Enables the Skia benchmarking extension 
–enable-slim-navigation-manager Enables the WKBackForwardList based navigation manager experiment. 
–enable-slimming-paint-invalidation Enables paint invalidation based on slimming paint but without the full slimming paint v2 compositing code. See: https://goo.gl/eQczQW 
–enable-slimming-paint-v2 Enables slimming paint phase 2: http://www.chromium.org/blink/slimming-paint 
–enable-smooth-scrolling On platforms that support it, enables smooth scroll animation. 
–enable-spatial-navigation Enable spatial navigation 
–enable-spdy-proxy-auth Enable the data reduction proxy. 
–enable-speech-dispatcher[19] Allows sending text-to-speech requests to speech-dispatcher, a common Linux speech service. Because it’s buggy, the user must explicitly enable it so that visiting a random webpage can’t cause instability. 
–enable-spelling-feedback-field-trial[20] Enables participation in the field trial for user feedback to spelling service. 
–enable-spotlight-actions Enables the Spotlight actions. 
–enable-stats-collection-bindings Specifies if the |StatsCollectionController| needs to be bound in the renderer. This binding happens on per-frame basis and hence can potentially be a performance bottleneck. One should only enable it when running a test that needs to access the provided statistics. 
–enable-stats-table Enables StatsTable, logging statistics to a global named shared memory table. 
–enable-strict-mixed-content-checking Blocks all insecure requests from secure contexts, and prevents the user from overriding that decision. 
–enable-strict-powerful-feature-restrictions Blocks insecure usage of a number of powerful features (device orientation, for example) that we haven’t yet deprecated for the web at large. 
–enable-suggestions-ui Enables the Suggestions UI 
–enable-suggestions-with-substring-match Enables suggestions with substring matching instead of prefix matching. 
–enable-supervised-user-managed-bookmarks-folder Enables the supervised user managed bookmarks folder. 
–enable-surface-synchronization Enables multi-client Surface synchronization. In practice, this indicates that LayerTreeHost expects to be given a valid viz::LocalSurfaceId provided by the parent compositor. 
–enable-swap-buffers-with-bounds Enables SwapBuffersWithBounds if it is supported. 
–enable-sync-app-list Enable/disable syncing of the app list independent of extensions. 
–enable-sync-articles No description 
–enable-tab-audio-muting Enables user control over muting tab audio from the tab strip. 
–enable-tablet-splitview Enables the split view on tablet mode. 
–enable-tcp-fastopen Enable use of experimental TCP sockets API for sending data in the SYN packet. 
–enable-third-party-keyboard-workaround Enables the 3rd party keyboard omnibox workaround. 
–enable-threaded-compositing Enabled threaded compositing for layout tests. 
–enable-threaded-texture-mailboxes Simulates shared textures when share groups are not available. Not available everywhere. 
–enable-tile-compression Compress tile textures for GPUs supporting it. 
–enable-touch-calibration-setting Enables the touch calibration option in MD settings UI for valid touch displays. 
–enable-touch-drag-drop Enables touch event based drag and drop. 
–enable-touch-support-for-screen-magnifier Enables touch support for screen magnifier. 
–enable-touchpad-three-finger-click Enables touchpad three-finger-click as middle button. 
–enable-touchview Enables the observation of accelerometer events to enter touch-view mode. 
–enable-trace-app-source Pass launch source to platform apps. 
–enable-tracing Enable tracing during the execution of browser tests. 
–enable-tracing-output The filename to write the output of the test tracing to. 
–enable-translate-new-ux[6] Enables Translate experimental new UX which replaces the infobar. 
–enable-ui-devtools Enables DevTools server for UI (mus, ash, etc). Value should be the port the server is started on. Default port is 9332. 
–enable-use-zoom-for-dsf Enable the mode that uses zooming to implment device scale factor behavior. 
–enable-user-metrics[6] Enable user metrics from within the installer. 
–enable-usermedia-screen-capturing Enable screen capturing support for MediaStream API. 
–enable-video-player-chromecast-support Enables the chromecast support for video player app. 
–enable-viewport Enables the use of the @viewport CSS rule, which allows pages to control aspects of their own layout. This also turns on touch-screen pinch gestures. 
–enable-virtual-keyboard No description 
–enable-voice-interaction Enables the VoiceInteraction support. 
–enable-vtune-support Enable the Vtune profiler support. 
–enable-vulkan Enable Vulkan support, must also have ENABLE_VULKAN defined. 
–enable-wayland-server[21] Enables Wayland display server support. 
–enable-web-notification-custom-layouts Enables Web Notification custom layouts. 
–enable-webfonts-intervention-trigger Enable WebFonts intervention and trigger the signal always. 
–enable-webfonts-intervention-v2 WebFonts intervention v2 flag and values. 
–enable-webgl-draft-extensions Enables WebGL extensions not yet approved by the community. 
–enable-webgl-image-chromium Enables WebGL rendering into a scanout buffer for overlay support. 
–enable-webrtc-event-logging-from-extension If the WebRTC logging private API is active, enables WebRTC event logging. 
–enable-webrtc-srtp-aes-gcm[12] Enables negotiation of GCM cipher suites from RFC 7714 for SRTP in WebRTC. See https://tools.ietf.org/html/rfc7714 for further information. 
–enable-webrtc-stun-origin[12] Enables Origin header in Stun messages for WebRTC. 
–enable-webview-finch No description 
–enable-webvr Enables interaction with virtual reality devices. 
–enable-wifi-credential-sync Enables synchronizing WiFi credentials across devices, using Chrome Sync. 
–enable-win7-webrtc-hw-h264-decoding[1]Enables H264 HW decode acceleration for WebRtc on Win 7. 
–enable-zero-copy Enable rasterizer that writes directly to GPU memory associated with tiles. 
–enable-zip-archiver-on-file-manager Enables zip archiver. 
–enabled enabled: touch events always enabled. 
–enabled-2g No description 
–enabled-3g No description 
–enabled-new-style-notification Flag to enable or disable new-style notification. This flag will be removed once the feature gets stable. 
–enabled-slow2g No description 
–encode-binary Encode binary layout test results (images, audio) using base64. 
–enforce No description 
–enforce-gl-minimums Enforce GL minimums. 
–enforce-webrtc-ip-permission-check[12] Enforce IP Permission check. TODO(guoweis): Remove this once the feature is not under finch and becomes the default. 
–enforce_strict No description 
–enterprise-disable-arc Disables ARC for managed accounts. 
–enterprise-enable-forced-re-enrollment Whether to enable forced enterprise re-enrollment. 
–enterprise-enable-zero-touch-enrollment Enables the zero-touch enterprise enrollment flow. 
–enterprise-enrollment-initial-modulus Power of the power-of-2 initial modulus that will be used by the auto-enrollment client. E.g. “4” means the modulus will be 2^4 = 16. 
–enterprise-enrollment-modulus-limit Power of the power-of-2 maximum modulus that will be used by the auto-enrollment client. 
–error-console Allows the ErrorConsole to collect runtime and manifest errors, and display them in the chrome:extensions page. 
–experiment No description 
–explicitly-allowed-ports Explicitly allows additional ports using a comma-separated list of port numbers. 
–expose-internals-for-testing Exposes the window.internals object to JavaScript for interactive development and debugging of layout tests that rely on it. 
–extension-content-verification Name of the command line flag to force content verification to be on in one of various modes. 
–extension-process Marks a renderer as extension process. 
–extensions-install-verification Turns on extension install verification if it would not otherwise have been turned on. 
–extensions-multi-account Enables multiple account versions of chrome.identity APIs. 
–extensions-not-webstore Specifies a comma-separated list of extension ids that should be forced to be treated as not from the webstore when doing install verification. 
–extensions-on-chrome-urls Enables extensions running scripts on chrome:// URLs. Extensions still need to explicitly request access to chrome:// URLs in the manifest. 
–extensions-update-frequency Frequency in seconds for Extensions auto-update. 
–extra-search-query-params Additional query params to insert in the search and instant URLs. Useful for testing. 
–fake-variations-channel Fakes the channel of the browser for purposes of Variations filtering. This is to be used for testing only. Possible values are “stable”, “beta”, “dev” and “canary”. Note that this only applies if the browser’s reported channel is UNKNOWN. 
–false Value indicating whether flag from command line switch is false. 
–fast Defines that Material Design visual feedback animations should be fast. 
–fast-start If this flag is present then this command line is being delegated to an already running chrome process via the fast path, ie: before chrome.dll is loaded. It is useful to tell the difference for tracking purposes. 
–feedback-server Alternative feedback server to use when submitting user feedback 
–field-trial-handle Handle to the shared memory segment containing field trial state that is to be shared between processes. The argument to this switch is the handle id (pointer on Windows) as a string, followed by a comma, then the size of the shared memory segment as a string. 
–first-exec-after-boot Passed to Chrome the first time that it’s run after the system boots. Not passed on restart after sign out. 
–flag-switches-begin These two flags are added around the switches about:flags adds to the command line. This is useful to see which switches were added by about:flags on about:version. They don’t have any effect. 
–flag-switches-end No description 
–font-cache-shared-handle[1] DirectWrite FontCache is shared by browser to renderers using shared memory. This switch allows us to pass the shared memory handle to the renderer. 
–force-android-app-mode Forces Android application mode. This hides certain system UI elements and forces the app to be installed if it hasn’t been already. 
–force-app-mode Forces application mode. This hides certain system UI elements and forces the app to be installed if it hasn’t been already. 
–force-color-profile Force all monitors to be treated as though they have the specified color profile. Accepted values are “srgb” and “generic-rgb” (currently used by Mac layout tests) and “color-spin-gamma24” (used by layout tests). 
–force-desktop-ios-promotion Forces Desktop to iOS promotion to appear in windows whenever an entrypoint is triggered. 
–force-dev-mode-highlighting Whether to force developer mode extensions highlighting. 
–force-device-scale-factor Overrides the device scale factor for the browser UI and the contents. 
–force-display-list-2d-canvas No description 
–force-effective-connection-type Forces Network Quality Estimator (NQE) to return a specific effective connection type. 
–force-enable-metrics-reporting Forces metrics reporting to be enabled. 
–force-enable-stylus-tools Enables the stylus tools next to the status area. 
–force-fieldtrial-params This option can be used to force parameters of field trials when testing changes locally. The argument is a param list of (key, value) pairs prefixed by an associated (trial, group) pair. You specify the param list for multiple (trial, group) pairs with a comma separator. Example: “Trial1.Group1:k1/v1/k2/v2,Trial2.Group2:k3/v3/k4/v4” Trial names, groups names, parameter names, and value should all be URL escaped for all non-alphanumeric characters. 
–force-fieldtrials This option can be used to force field trials when testing changes locally. The argument is a list of name and value pairs, separated by slashes. If a trial name is prefixed with an asterisk, that trial will start activated. For example, the following argument defines two trials, with the second one activated: “GoogleNow/Enable/*MaterialDesignNTP/Default/” This option can also be used by the browser process to send the list of trials to a non-browser process, using the same format. See FieldTrialList::CreateTrialsFromString() in field_trial.h for details. 
–force-first-run Displays the First Run experience when the browser is started, regardless of whether or not it’s actually the First Run (this overrides kNoFirstRun). 
–force-first-run-ui Forces first-run UI to be shown for every login. 
–force-gpu-mem-available-mb Sets the total amount of memory that may be allocated for GPU resources 
–force-gpu-rasterization Always use the Skia GPU backend for drawing layer tiles. Only valid with GPU accelerated compositing + impl-side painting. Overrides the kEnableGpuRasterization flag. 
–force-happiness-tracking-system Force enables the Happiness Tracking System for the device. This ignores user profile check and time limits and shows the notification every time for any type of user. Should be used only for testing. 
–force-load-easy-unlock-app-in-tests Force easy unlock app loading in test. TODO(xiyuan): Remove this when app could be bundled with Chrome. 
–force-local-ntp Forces Chrome to use localNTP instead of server (GWS) NTP. 
–force-login-manager-in-tests Usually in browser tests the usual login manager bringup is skipped so that tests can change how it’s brought up. This flag disables that. 
–force-mediafoundation[1] Force the use of MediaFoundation for video capture. This is only supported in Windows 7 and above. Used, like |kForceDirectShowVideoCapture|, to troubleshoot problems in Windows platforms. 
–force-overlay-fullscreen-video Forces use of hardware overlay for fullscreen video playback. Useful for testing the Android overlay fullscreen functionality on other platforms. 
–force-password-reauth Enables forcing the user to reauth with their password after X hours (e.g. 20) without password entry. 
–force-pnacl-subzero Force use of the Subzero as the PNaCl translator instead of LLC. 
–force-renderer-accessibility Force renderer accessibility to be on instead of enabling it on demand when a screen reader is detected. The disable-renderer-accessibility switch overrides this if present. 
–force-show-update-menu-badge[5] Forces the update menu badge to show. 
–force-show-update-menu-item[5] Forces the update menu item to show. 
–force-system-compositor-mode Force system compositor mode when set. 
–force-tablet-mode Enables required things for the selected UI mode, regardless of whether the Chromebook is currently in the selected UI mode. 
–force-text-direction Force the text rendering to a specific direction. Valid values are “ltr” (left-to-right) and “rtl” (right-to-left). Only tested meaningfully with RTL. 
–force-ui-direction Force the UI to a specific direction. Valid values are “ltr” (left-to-right) and “rtl” (right-to-left). 
–force-variation-ids Forces additional Chrome Variation Ids that will be sent in X-Client-Data header, specified as a 64-bit encoded list of numeric experiment ids. Ids prefixed with the character “t” will be treated as Trigger Variation Ids. 
–force-video-overlays Force media player using SurfaceView instead of SurfaceTexture on Android. 
–force-wave-audio[1] Use Windows WaveOut/In audio API even if Core Audio is supported. 
–force-webrtc-ip-handling-policy[12] Override WebRTC IP handling policy to mimic the behavior when WebRTC IP handling policy is specified in Preferences. 
–full-memory-crash-report Generates full memory crash dump. 
–gaia-url No description 
–gcm-checkin-url Sets the checkin service endpoint that will be used for performing Google Cloud Messaging checkins. 
–gcm-mcs-endpoint Sets the Mobile Connection Server endpoint that will be used for Google Cloud Messaging. 
–gcm-registration-url Sets the registration endpoint that will be used for creating new Google Cloud Messaging registrations. 
–generate-accessibility-test-expectations For development / testing only. When running content_browsertests, saves output of failing accessibility tests to their expectations files in content/test/data/accessibility/, overwriting existing file content. 
–gl No description 
–gl-composited-overlay-candidate-quad-border TODO(dcastagna): Draw debug quad borders only when it is actually an overlay candidate. Renders a border around GL composited overlay candidate quads to help debug and study overlay support. 
–gl-shader-interm-output Include ANGLE’s intermediate representation (AST) output in shader compilation info logs. 
–gles No description 
–golden-screenshots-dir Screenshot testing: specifies the directory where the golden screenshots are stored. 
–google-apis-url No description 
–google-base-url Specifies an alternate URL to use for speaking to Google. Useful for testing. 
–google-doodle-url Overrides the URL used to fetch the current Google Doodle. 
–google-url No description 
–gpu-active-device-id Passes active gpu device id from browser process to GPU process. 
–gpu-active-vendor-id Passes active gpu vendor id from browser process to GPU process. 
–gpu-device-id Passes gpu device_id from browser process to GPU process. 
–gpu-driver-bug-workarounds Pass a set of GpuDriverBugWorkaroundType ids, seperated by ‘,’. 
–gpu-driver-date Passes gpu driver_date from browser process to GPU process. 
–gpu-driver-vendor Passes gpu driver_vendor from browser process to GPU process. 
–gpu-driver-version Passes gpu driver_version from browser process to GPU process. 
–gpu-launcher Extra command line options for launching the GPU process (normally used for debugging). Use like renderer-cmd-prefix. 
–gpu-no-complete-info-collection Testing switch to not launch the gpu process for full gpu info collection. 
–gpu-no-context-lost Inform Chrome that a GPU context will not be lost in power saving mode, screen saving mode, etc. Note that this flag does not ensure that a GPU context will never be lost in any situations, say, a GPU reset. 
–gpu-process Makes this process a GPU sub-process. 
–gpu-program-cache-size-kb Sets the maximum size of the in-memory gpu program cache, in kb 
–gpu-rasterization-msaa-sample-count The number of multisample antialiasing samples for GPU rasterization. Requires MSAA support on GPU to have an effect. 0 disables MSAA. 
–gpu-sandbox-allow-sysv-shm Allows shmat() system call in the GPU sandbox. 
–gpu-sandbox-failures-fatal Makes GPU sandbox failures fatal. 
–gpu-sandbox-start-early Starts the GPU sandbox before creating a GL context. 
–gpu-secondary-device-ids Passes secondary gpu device ids from browser process to GPU process. 
–gpu-secondary-vendor-ids Passes secondary gpu vendor ids from browser process to GPU process. 
–gpu-startup-dialog Causes the GPU process to display a dialog on launch. 
–gpu-testing-device-id Override gpu device id from the GpuInfoCollector. 
–gpu-testing-driver-date Override gpu driver date from the GpuInfoCollector. 
–gpu-testing-gl-renderer Override gl renderer from the GpuInfoCollector. 
–gpu-testing-gl-vendor Override gl vendor from the GpuInfoCollector. 
–gpu-testing-gl-version Override gl version from the GpuInfoCollector. 
–gpu-testing-os-version Override os version from GpuControlList::MakeDecision. 
–gpu-testing-secondary-device-ids Override secondary gpu device ids from the GpuInfoCollector. 
–gpu-testing-secondary-vendor-ids Override secondary gpu vendor ids from the GpuInfoCollector. 
–gpu-testing-vendor-id Override gpu vendor id from the GpuInfoCollector. 
–gpu-vendor-id Passes gpu vendor_id from browser process to GPU process. 
–guest-wallpaper-large Large wallpaper to use in guest mode (as path to trusted, non-user-writable JPEG file). 
–guest-wallpaper-small Small wallpaper to use in guest mode (as path to trusted, non-user-writable JPEG file). 
–h[8] No description 
–has-chromeos-diamond-key If true, the Chromebook has a keyboard with a diamond key. 
–has-chromeos-keyboard If set, the system is a Chromebook with a “standard Chrome OS keyboard”, which generally means one with a Search key in the standard Caps Lock location above the Left Shift key. It should be unset for Chromebooks with both Search and Caps Lock keys (e.g. stout) and for devices like Chromeboxes that only use external keyboards. 
–headless Run in headless mode, i.e., without a UI or display server dependencies. 
–help No description 
–hide “Hide” value for kCrosRegionsMode (VPD values are hidden). 
–hide-icons[1] Makes Windows happy by allowing it to show “Enable access to this program” checkbox in Add/Remove Programs->Set Program Access and Defaults. This only shows an error box because the only way to hide Chrome is by uninstalling it. 
–hide-scrollbars Hide scrollbars from screenshots. 
–history-entry-requires-user-gesture Don’t allow content to arbitrarily append to the back/forward list. The page must prcoess a user gesture before an entry can be added. 
–homedir Defines user homedir. This defaults to primary user homedir. 
–homepage Specifies which page will be displayed in newly-opened tabs. We need this for testing purposes so that the UI tests don’t depend on what comes up for http://google.com. 
–host No description 
–host-pairing-oobe With this switch, start remora OOBE with the pairing screen. 
–host-resolver-rules These mappings only apply to the host resolver. 
–host-rules Comma-separated list of rules that control how hostnames are mapped. For example: “MAP *” –> Forces all hostnames to be mapped to “MAP *.google.com proxy” –> Forces all google.com subdomains to be resolved to “proxy”. “MAP test.com [::1]:77 –> Forces “test.com” to resolve to IPv6 loopback. Will also force the port of the resulting socket address to be 77. “MAP * baz, EXCLUDE www.google.com” –> Remaps everything to “baz”, except for “www.google.com”. These mappings apply to the endpoint host in a net::URLRequest (the TCP connect and host resolver in a direct connection, and the CONNECT in an http proxy connection, and the endpoint host in a SOCKS proxy connection). 
–icu-data-dir The path where ICU initialization data can be found. If not provided, the service binary’s directory is assumed. 
–ignore-autocomplete-off-autofill Ignores autocomplete=”off” for Autofill data (profiles + credit cards). 
–ignore-autoplay-restrictions Ignores all autoplay restrictions. It will ignore the current autoplay policy and all restrictions such as playback in a background tab. It should only be enabled for testing. 
–ignore-certificate-errors Ignores certificate-related errors. 
–ignore-certificate-errors-spki-list A set of public key hashes for which to ignore certificate-related errors. If the certificate chain presented by the server does not validate, and one or more certificates have public key hashes that match a key from this list, the error is ignored. The switch value must a be a comma-separated list of Base64-encoded SHA-256 SPKI Fingerprints (RFC 7469, Section 2.4). This switch has no effect unless –user-data-dir (as defined by the content embedder) is also present. 
–ignore-gpu-blacklist Ignores GPU blacklist. 
–ignore-urlfetcher-cert-requests Causes net::URLFetchers to ignore requests for SSL client certificates, causing them to attempt an unauthenticated SSL/TLS session. This is intended for use when testing various service URLs (eg: kPromoServerURL, kSbURLPrefix, kSyncServiceURL, etc). 
–ignore-user-profile-mapping-for-tests If true, profile selection in UserManager will always return active user’s profile. TODO(nkostlyev): http://crbug.com/364604 – Get rid of this switch after we turn on multi-profile feature on ChromeOS. 
–in-process-gpu Run the GPU process as a thread in the browser process. 
–incognito Causes the browser to launch directly in incognito mode. 
–input No description 
–install-chrome-app Causes Chrome to initiate an installation flow for the given app. 
–install-supervised-user-whitelists A list of whitelists to install for a supervised user, for testing. The list is of the following form: <id>[:<name>],[<id>[:<name>],…] 
–instant-process Marks a renderer as an Instant process. 
–invalidation-use-gcm-channel Invalidation service should use GCM network channel even if experiment is not enabled. 
–ipc-connection-timeout Overrides the timeout, in seconds, that a child process waits for a connection from the browser before killing itself. 
–ipc-dump-directory[22] Dumps IPC messages sent from renderer processes to the browser process to the given directory. Used primarily to gather samples for IPC fuzzing. 
–ipc-fuzzer-testcase[22] Specifies the testcase used by the IPC fuzzer. 
–is-running-in-mash Chrome is running in Mash. 
–isolate-origins Require dedicated processes for a set of origins, specified as a comma-separated list. For example: –isolate-origins=https://www.foo.com,https://www.bar.com 
–isolate-sites-for-testing Enable site isolation (–site-per-process style isolation) for a subset of sites. The argument is a wildcard pattern which will be matched against the site URL to determine which sites to isolate. This can be used to isolate just one top-level domain, or just one scheme. Example usages: –isolate-sites-for-testing=*.com –isolate-sites-for-testing=https://* 
–javascript-harmony Enables experimental Harmony (ECMAScript 6) features. 
–js-flags Specifies the flags passed to JS engine 
–keep-alive-for-test Used for testing – keeps browser alive after last browser window closes. 
–kiosk Enable kiosk mode. Please note this is not Chrome OS kiosk mode. 
–kiosk-printing Enable automatically pressing the print button in print preview. 
–lang The language file that we want to try to open. Of the form language[-country] where language is the 2 letter code from ISO-639. 
–last-launched-app Pass the app id information to the renderer process, to be used for logging. last-launched-app should be the app that just launched and is spawning the renderer. 
–layer No description 
–light_muted No description 
–light_vibrant No description 
–limit-fps Limits the compositor to output a certain number of frames per second, maximum. 
–load-and-launch-app Loads an app from the specified directory and launches it. 
–load-apps Comma-separated list of paths to apps to load at startup. The first app in the list will be launched. 
–load-extension Comma-separated list of paths to extensions to load at startup. 
–load-media-router-component-extension Loads the Media Router component extension on startup. 
–local-heuristics-only-for-password-generation Removes the requirement that we recieved a ping from the autofill servers and that the user doesn’t have the given form blacklisted. Used in testing. 
–local-ntp-reload[23] Enables a live-reload for local NTP resources. This only works when Chrome is running from a Chrome source directory. 
–local-sync-backend-dir Specifies the local sync backend directory. The name is chosen to mimic user-data-dir etc. This flag only matters if the enable-local-sync-backend flag is present. 
–log-gpu-control-list-decisions Logs GPU control list decisions when enforcing blacklist rules. 
–log-level Sets the minimum log level. Valid values are from 0 to 3: INFO = 0, WARNING = 1, LOG_ERROR = 2, LOG_FATAL = 3. 
–log-net-log Enables saving net log events to a file and sets the file name to use. 
–login-manager Enables Chrome-as-a-login-manager behavior. 
–login-profile Specifies the profile to use once a chromeos user is logged in. This parameter is ignored if user goes through login screen since user_id hash defines which profile directory to use. In case of browser restart within active session this parameter is used to pass user_id hash for primary user. 
–login-user Specifies the user which is already logged in. 
–lso-url No description 
–ltr No description 
–main-frame-resizes-are-orientation-changes Resizes of the main frame are caused by changing between landscape and portrait mode (i.e. Android) so the page should be rescaled to fit. 
–make-chrome-default[6] Indicates whether Chrome should be set as the default browser during installation. 
–make-default-browser Makes Chrome default browser 
–managed-user-id Sets the supervised user ID for any loaded or newly created profile to the given value. Pass an empty string to mark the profile as non-supervised. Used for testing. 
–managed-user-sync-token Used to authenticate requests to the Sync service for supervised users. Setting this switch also causes Sync to be set up for a supervised user. 
–mark-non-secure-as Use to opt-in to marking HTTP as non-secure. 
–market-url-for-testing[5] Sets the market URL for Chrome for use in testing. 
–mash[24] Used to enable Mus+ash. 
–material Material design mode for the |kTopChromeMD| switch. 
–material-design-ink-drop-animation-speed Defines the speed of Material Design visual feedback animations. 
–material-hybrid Material design hybrid mode for the |kTopChromeMD| switch. Targeted for mouse/touch hybrid devices. 
–max-gum-fps[12] Override the maximum framerate as can be specified in calls to getUserMedia. This flag expects a value. Example: –max-gum-fps=17.5 
–max-output-volume-dba1m Calibrated max output volume dBa for voice content at 1 meter, if known. 
–max-untiled-layer-height Sets the width and height above which a composited layer will get tiled. 
–max-untiled-layer-width No description 
–media-cache-size Forces the maximum disk space to be used by the media cache, in bytes. 
–mem-pressure-system-reserved-kb Some platforms typically have very little ‘free’ memory, but plenty is available in buffers+cached. For such platforms, configure this amount as the portion of buffers+cached memory that should be treated as unavailable. If this switch is not used, a simple pressure heuristic based purely on free memory will be used. 
–memlog[25] Enables the out-of-process memory logging. 
–memlog-pipe[25] Communicates the pipe name for out-of-process memory logging. 
–memory-pressure-off No description 
–memory-pressure-thresholds The memory pressure threshold selection which is used to decide whether and when a memory pressure event needs to get fired. 
–memory-pressure-thresholds-mb[1] Sets the free memory thresholds below which the system is considered to be under moderate and critical memory pressure. Used in the browser process, and ignored if invalid. Specified as a pair of comma separated integers. See base/win/memory_pressure_monitor.cc for defaults. 
–message-center-changes-while-open Flag to enable or disable notification changes while the message center opens. This flag will be removed once the feature gets stable. 
–metrics-client-id[6] This is how the metrics client ID is passed from the browser process to its children. With Crashpad, the metrics client ID is distinct from the crash client ID. 
–metrics-recording-only Enables the recording of metrics reports but disables reporting. In contrast to kDisableMetrics, this executes all the code that a normal client would use for reporting, except the report is dropped rather than sent to the server. This is useful for finding issues in the metrics code during UI and performance tests. 
–mhtml-generator-option Sets options for MHTML generator to skip no-store resources: “skip-nostore-main” – fails to save a page if main frame is ‘no-store’ “skip-nostore-all” – also skips no-store subresources. 
–mirror[2] Values for the kAccountConsistency flag. 
–mock No description 
–mojo-local-storage Use a Mojo-based LocalStorage implementation. 
–mojo-pipe-token No description 
–monitoring-destination-id Allows setting a different destination ID for connection-monitoring GCM messages. Useful when running against a non-prod management server. 
–mse-audio-buffer-size-limit Allows explicitly specifying MSE audio/video buffer sizes. Default values are 150M for video and 12M for audio. 
–mse-video-buffer-size-limit No description 
–mus[24] Used to enable mus as a separate process, but chrome+ash still together. 
–mus-config[24] This is added to child processes launched from mash or mus. The value of this switch is either kMus or kMash. For example, if chrome is run with ‘–mash’ then the child process representing ash is launched with the switch ‘–mus-config=mash’. 
–mute-audio Mutes audio sent to the audio device so it is not audible during automated testing. 
–nacl-broker Value for –type that causes the process to run as a NativeClient broker (used for launching NaCl loader processes on 64-bit Windows). 
–nacl-dangerous-no-sandbox-nonsfi Disable sandbox even for non SFI mode. This is particularly unsafe as non SFI NaCl heavily relies on the seccomp sandbox. 
–nacl-debug-mask Uses NaCl manifest URL to choose whether NaCl program will be debugged by debug stub. Switch value format: [!]pattern1,pattern2,…,patternN. Each pattern uses the same syntax as patterns in Chrome extension manifest. The only difference is that * scheme matches all schemes instead of matching only http and https. If the value doesn’t start with !, a program will be debugged if manifest URL matches any pattern. If the value starts with !, a program will be debugged if manifest URL does not match any pattern. 
–nacl-gdb Native Client GDB debugger that will be launched automatically when needed. 
–nacl-gdb-script GDB script to pass to the nacl-gdb debugger at startup. 
–nacl-loader Value for –type that causes the process to run as a NativeClient loader for SFI mode. 
–nacl-loader-nonsfi Value for –type that causes the process to run as a NativeClient loader for non SFI mode. 
–native Report native (walk the stack) allocation traces. By default pseudo stacks derived from trace events are reported. 
–native-crx-bindings Enables the use of C++-based extension bindings (instead of JS generation). 
–need-arc-migration-policy-check If present, the device needs to check the policy to see if the migration to ext4 for ARC is allowed. It should be present only on devices that have been initially issued with ecrypfs encryption and have ARC (N+) available. For the devices in other categories this flag must be missing. 
–net-log-capture-mode Sets the granularity of events to capture in the network log. The mode can be set to one of the following values: “Default” “IncludeCookiesAndCredentials” “IncludeSocketBytes” See the functions of the corresponding name in net_log_capture_mode.h for a description of their meaning. 
–netifs-to-ignore List of network interfaces to ignore. Ignored interfaces will not be used for network connectivity. 
–network-country-iso[5] The telephony region (ISO country code) to use in phone number detection. 
–network-settings-config Enables Settings based network config in MD Settings. 
–new-window Launches URL in new browser window. 
–no-default-browser-check Disables the default browser check. Useful for UI/browser tests where we want to avoid having the default browser info-bar displayed. 
–no-experiments Disables all experiments set on about:flags. Does not disable about:flags itself. Useful if an experiment makes chrome crash at startup: One can start chrome with –no-experiments, disable the problematic lab at about:flags and then restart chrome without this switch again. 
–no-first-run Skip First Run tasks, whether or not it’s actually the First Run. Overridden by kForceFirstRun. This does not drop the First Run sentinel and thus doesn’t prevent first run from occuring the next time chrome is launched without this flag. 
–no-managed-user-acknowledgment-check Disables checking whether we received an acknowledgment when registering a supervised user. Also disables the timeout during registration that waits for the ack. Useful when debugging against a server that does not support notifications. 
–no-network-profile-warning[1] Whether or not the browser should warn if the profile is on a network share. This flag is only relevant for Windows currently. 
–no-pings Don’t send hyperlink auditing pings 
–no-proxy-server Don’t use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed. 
–no-referrers Don’t send HTTP-Referer headers. 
–no-sandbox Disables the sandbox for all process types that are normally sandboxed. 
–no-service-autorun Disables the service process from adding itself as an autorun process. This does not delete existing autorun registrations, it just prevents the service from registering a new one. 
–no-session-id No description 
–no-startup-window Does not automatically open a browser window on startup (used when launching Chrome for the purpose of hosting background apps). 
–no-user-gesture-required Autoplay policy that does not require any user gesture. 
–no-wifi Disable features that require WiFi management. 
–no-zygote Disables the use of a zygote process for forking child processes. Instead, child processes will be forked and exec’d directly. Note that –no-sandbox should also be used together with this flag because the sandbox needs the zygote to work. 
–noerrdialogs Suppresses all error dialogs when present. 
–non-material Classic, non-material, mode for the |kTopChromeMD| switch. 
–non-secure No description 
–non-secure-after-editing No description 
–non-secure-while-incognito No description 
–non-secure-while-incognito-or-editing No description 
–none No description 
–normal_muted No description 
–normal_vibrant No description 
–note-taking-app-ids An optional comma-separated list of IDs of apps that can be used to take notes. If unset, a hardcoded list is used instead. 
–ntp-snippets-add-incomplete If this flag is set, we will add downloaded snippets that are missing some critical data to the list. 
–ntp-switch-to-existing-tab[5] Switch to an existing tab for a suggestion opened from the New Tab Page. 
–null No description 
–num-raster-threads Number of worker threads used to rasterize content. 
–oauth2-client-id No description 
–oauth2-client-secret No description 
–off No description 
–on No description 
–oobe-bootstrapping-master Indicates that if we should start bootstrapping Master OOBE. 
–oobe-force-show-screen Forces OOBE/login to force show a comma-separated list of screens from chromeos::kScreenNames in oobe_screen.cc. Supported screens are: user-image 
–oobe-guest-session Indicates that a guest session has been started before OOBE completion. 
–oobe-skip-postlogin Skips all other OOBE pages after user login. 
–oobe-timer-interval Interval at which we check for total time on OOBE. 
–open-ash[26] No description 
–opengraph No description 
–origin-trial-disabled-features Contains a list of feature names for which origin trial experiments should be disabled. Names should be separated by “|” characters. 
–origin-trial-disabled-tokens Contains a list of token signatures for which origin trial experiments should be disabled. Tokens should be separated by “|” characters. 
–origin-trial-public-key Overrides the default public key for checking origin trial tokens. 
–original-process-start-time The time that a new chrome process which is delegating to an already running chrome process started. (See ProcessSingleton for more details.) 
–osmesa No description 
–output No description 
–override “Override” value for kCrosRegionsMode (region’s data is read first). 
–override-metrics-upload-url Override the URL to which metrics logs are sent for debugging. 
–override-plugin-power-saver-for-testing Override the behavior of plugin throttling for testing. By default the throttler is only enabled for a hard-coded list of plugins. Set the value to ‘always’ to always throttle every plugin instance. 
–override-use-software-gl-for-tests Forces the use of software GL instead of hardware gpu. 
–overscroll-history-navigation Controls the behavior of history navigation in response to horizontal overscroll. Set the value to ‘0’ to disable. Set the value to ‘1’ to enable the behavior where pages slide in and out in response to the horizontal overscroll gesture and a screenshot of the target page is shown. Set the value to ‘2’ to enable the simplified overscroll UI where a navigation arrow slides in from the side of the screen in response to the horizontal overscroll gesture. Defaults to ‘1’. 
–overscroll-start-threshold Controls the value of the threshold to start horizontal overscroll relative to the default value. E.g. set the value to ‘133’ to have the overscroll start threshold be 133% of the default threshold. 
–ozone-dump-file Specify location for image dumps. 
–ozone-platform Specify ozone platform implementation to use. 
–pack-extension Packages an extension to a .crx installable file from a given directory. 
–pack-extension-key Optional PEM private key to use in signing packaged .crx. 
–parent-profile Specifies the path to the user data folder for the parent profile. 
–parent-window No description 
–passive-listeners-default Override the default value for the ‘passive’ field in javascript addEventListener calls. Values are defined as: ‘documentonlytrue’ to set the default be true only for document level nodes. ‘true’ to set the default to be true on all nodes (when not specified). ‘forcealltrue’ to force the value on all nodes. 
–password-store[8] Specifies which encryption storage backend to use. Possible values are kwallet, kwallet5, gnome, gnome-keyring, gnome-libsecret, basic. Any other value will lead to Chrome detecting the best backend automatically. TODO(crbug.com/571003): Once PasswordStore no longer uses the Keyring or KWallet for storing passwords, rename this flag to stop referencing passwords. Do not rename it sooner, though; developers and testers might rely on it keeping large amounts of testing passwords out of their Keyrings or KWallets. 
–permission-request-api-scope Development flag for permission request API. This flag is needed until the API is finalized. TODO(bauerb): Remove when this flag is not needed anymore. 
–permission-request-api-url Development flag for permission request API. This flag is needed until the API is finalized. TODO(bauerb): Remove when this flag is not needed anymore. 
–ppapi Argument to the process type that indicates a PPAPI plugin process type. 
–ppapi-antialiased-text-enabled[1] The boolean value (0/1) of FontRenderParams::antialiasing to be passed to Ppapi processes. 
–ppapi-broker Argument to the process type that indicates a PPAPI broker process type. 
–ppapi-flash-args “Command-line” arguments for the PPAPI Flash; used for debugging options. 
–ppapi-flash-path Use the PPAPI (Pepper) Flash found at the given path. 
–ppapi-flash-version Report the given version for the PPAPI (Pepper) Flash. The version should be numbers separated by ‘.’s (e.g., “12.3.456.78”;). If not specified, it defaults to “10.2.999.999”. 
–ppapi-in-process Runs PPAPI (Pepper) plugins in-process. 
–ppapi-plugin-launcher Specifies a command that should be used to launch the ppapi plugin process. Useful for running the plugin process through purify or quantify. Ex: –ppapi-plugin-launcher=”path\to\purify /Run=yes” 
–ppapi-startup-dialog Causes the PPAPI sub process to display a dialog on launch. Be sure to use –no-sandbox as well or the sandbox won’t allow the dialog to display. 
–ppapi-subpixel-rendering-setting[1] The enum value of FontRenderParams::subpixel_rendering to be passed to Ppapi processes. 
–prerender-from-omnibox Triggers prerendering of pages from suggestions in the omnibox. Only has an effect when Instant is either disabled or restricted to search, and when prerender is enabled. 
–previous-app previous-app should be the app that was running when last-launched-app started. 
–primary No description 
–print-to-pdf Save a pdf file of the loaded page. 
–privet-ipv6-only Use IPv6 only for privet HTTP. 
–process-per-site Enable the “Process Per Site” process model for all domains. This mode consolidates same-site pages so that they share a single process. More details here: – http://www.chromium.org/developers/design-documents/process-models – The class comment in site_instance.h, listing the supported process models. IMPORTANT: This isn’t to be confused with –site-per-process (which is about isolation, not consolidation). You probably want the other one. 
–process-per-tab Runs each set of script-connected tabs (i.e., a BrowsingInstance) in its own renderer process. We default to using a renderer process for each site instance (i.e., group of pages from the same registered domain with script connections to each other). TODO(creis): This flag is currently a no-op. We should refactor it to avoid “unnecessary” process swaps for cross-site navigations but still swap when needed for security (e.g., isolated origins). 
–product-version Outputs the product version information and quit. Used as an internal api to detect the installed version of Chrome on Linux. 
–profile-directory Selects directory of profile to associate with the first browser launched. 
–profiler-timing Configure whether chrome://profiler will contain timing information. This option is enabled by default. A value of “0” will disable profiler timing, while all other values will enable it. 
–profiling[25] Value passed to kProcessType switch that indicates the profiling process. 
–profiling-at-start Starts the sampling based profiler for the browser process at startup. This will only work if chrome has been built with the gyp variable profiling=1. The output will go to the value of kProfilingFile. 
–profiling-file Specifies a location for profiling output. This will only work if chrome has been built with the gyp variable profiling=1 or gn arg enable_profiling=true. {pid} if present will be replaced by the pid of the process. {count} if present will be incremented each time a profile is generated for this process. The default is chrome-profile-{pid} for the browser and test-profile-{pid} for tests. 
–profiling-flush Controls whether profile data is periodically flushed to a file. Normally the data gets written on exit but cases exist where chrome doesn’t exit cleanly (especially when using single-process). A time in seconds can be specified. 
–progress-bar-animation[5] Specifies Android phone page loading progress bar animation. 
–progress-bar-completion[5] When blink should declare a load “done” for the purpose of the progress bar. 
–prompt-for-external-extensions[27] Should we prompt the user before allowing external extensions to install? This flag is available on Chromium for testing purposes. 
–proxy-auto-detect Forces proxy auto-detection. 
–proxy-bypass-list Specifies a list of hosts for whom we bypass proxy settings and use direct connections. Ignored if –proxy-auto-detect or –no-proxy-server are also specified. This is a comma-separated list of bypass rules. See: “net/proxy/proxy_bypass_rules.h” for the format of these rules. 
–proxy-pac-url Uses the pac script at the given URL 
–proxy-server Uses a specified proxy server, overrides system settings. This switch only affects HTTP and HTTPS requests. 
–rdp_desktop_session No description 
–reader-mode-feedback No description 
–reader-mode-heuristics No description 
–rebaseline-pixel-tests[3] Makes browser pixel tests overwrite the reference if it does not match. 
–record-type No description 
–reduce-security-for-testing Enables more web features over insecure connections. Designed to be used for testing purposes only. 
–reduced-referrer-granularity Reduce the default referer header’s granularity. 
–register-font-files Registers additional font files on Windows (for fonts outside the usual %WINDIR%\Fonts location). Multiple files can be used by separating them with a semicolon (;)
–register-pepper-plugins Register Pepper plugins (see pepper_plugin_list.cc for its format). 
–relauncher[6] A process type (switches::kProcessType) that relaunches the browser. See chrome/browser/mac/relauncher.h. 
–remote-debugging-address Use the given address instead of the default loopback for accepting remote debugging connections. Should be used together with –remote-debugging-port. Note that the remote debugging protocol does not perform any authentication, so exposing it too widely can be a security risk. 
–remote-debugging-port Enables remote debug over HTTP on the specified port. 
–remote-debugging-socket-fd The given value is the fd of a socket already opened by the parent process. This allows automation to provide a listening socket for clients to connect to before chrome is fully fired up. In particular, a parent process can open the port, exec headles chrome, and connect to the devtools port immediately. Waiting for chrome to be ready is then handled by the first read from the port, which will block until chrome is ready. No polling is needed. 
–remote-debugging-socket-name[5] Enables remote debug over HTTP on the specified socket name. 
–remote-debugging-targets Porvides a list of addresses to discover DevTools remote debugging targets. The format is <host>:<port>,…,<host>:port. 
–renderer Causes the process to run as renderer instead of as browser. 
–renderer-client-id No description 
–renderer-cmd-prefix The contents of this flag are prepended to the renderer command line. Useful values might be “valgrind” or “xterm -e gdb –args”. 
–renderer-process-limit Overrides the default/calculated limit to the number of renderer processes. Very high values for this setting can lead to high memory/resource usage or instability. 
–renderer-startup-dialog Causes the renderer process to display a dialog on launch. Passing this flag also adds kNoSandbox on Windows non-official builds, since that’s needed to show a dialog. 
–renderer-wait-for-java-debugger[5] Block ChildProcessMain thread of the renderer’s ChildProcessService until a Java debugger is attached. 
–renderpass No description 
–repl Runs a read-eval-print loop that allows the user to evaluate Javascript expressions. 
–report-vp9-as-an-unsupported-mime-type Force to report VP9 as an unsupported MIME type. 
–require-audio-hardware-for-testing When running tests on a system without the required hardware or libraries, this flag will cause the tests to fail. Otherwise, they silently succeed. 
–reset-app-list-install-state If set, the app list will forget it has been installed on startup. Note this doesn’t prevent the app list from running, it just makes Chrome think the app list hasn’t been enabled (as in kEnableAppList) yet. 
–reset-variation-state Forces a reset of the one-time-randomized FieldTrials on this client, also known as the Chrome Variations state. 
–restore-last-session Indicates the last session should be restored on startup. This overrides the preferences value. Note that this does not force automatic session restore following a crash, so as to prevent a crash loop. This switch is used to implement support for OS-specific “continue where you left off” functionality on OS X and Windows. 
–root-layer-scrolls Handles frame scrolls via the root RenderLayer instead of the FrameView. 
–rtl No description 
–run-layout-test Request the render trees of pages to be dumped as text once they have finished loading. 
–safebrowsing-disable-auto-update If present, safebrowsing only performs update when SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called. This is used for testing only. 
–safebrowsing-disable-download-protection TODO(lzheng): Remove this flag once the feature works fine (http://crbug.com/74848). Disables safebrowsing feature that checks download url and downloads content’s hash to make sure the content are not malicious. 
–safebrowsing-disable-extension-blacklist Disables safebrowsing feature that checks for blacklisted extensions. 
–safebrowsing-manual-download-blacklist List of comma-separated sha256 hashes of executable files which the download-protection service should treat as “dangerous.” For a file to show a warning, it also must be considered a dangerous filetype and not be whitelisted otherwise (by signature or URL) and must be on a supported OS. Hashes are in hex. This is used for manual testing when looking for ways to by-pass download protection. 
–SafeSites No description 
–sandbox-ipc Causes the process to run as a sandbox IPC subprocess. 
–save-page-as-mhtml Disable saving pages as HTML-only, disable saving pages as HTML Complete (with a directory of sub-resources). Enable only saving pages as MHTML. See http://crbug.com/120416 for how to remove this switch. 
–screen-config Specifies the initial screen configuration, or state of all displays, for FakeDisplayDelegate, see class for format details. 
–screenshot Save a screenshot of the loaded page. 
–scripts-require-action Notify the user and require consent for extensions running scripts. Appending –scripts-require-action=1 has the same effect as –enable-scripts-require-action (see below). 
–scroll-end-effect Enables or disables scroll end effect in response to vertical overscroll. Set the value to ‘1’ to enable the feature, and set to ‘0’ to disable. Defaults to disabled. 
–search-provider-logo-url[5] Use a static URL for the logo of the default search engine. 
–secondary No description 
–secondary-display-layout Specifies the layout mode and offsets for the secondary display for testing. The format is “<t|r|b|l>,<offset>” where t=TOP, r=RIGHT, b=BOTTOM and L=LEFT. For example, ‘r,-100’ means the secondary display is positioned on the right with -100 offset. (above than primary) 
–secondary-ui-md Applies the material design mode passed via –top-chrome-md to elements throughout Chrome (not just top Chrome). 
–service The process type value which causes a process to run as a cloud print service process. DO NOT CHANGE THIS VALUE. Cloud printing relies on an external binary launching Chrome with this process type. 
–service-manager The value of the |kProcessType| switch which tells the executable to assume the role of a standalone Service Manager instance. 
–service-name Specified on the command line of service processes to indicate which service should be run. Useful when the service process binary may act as one of many different embedded services. 
–service-pipe-token Provides a child process with a token string they can exchange for a message pipe whose other end is bound to a service_manager::Service binding in the Service Manager. 
–service-request-channel-token The token to use to construct the message pipe for a service in a child process. 
–service-runner The value of the |kProcessType| switch which tells the executable to assume the role of a service instance. 
–shared-files Describes the file descriptors passed to a child process in the following list format: <file_id>:<descriptor_id>,<file_id>:<descriptor_id>,… where <file_id> is an ID string from the manifest of the service being launched and <descriptor_id> is the numeric identifier of the descriptor for the child process can use to retrieve the file descriptor from the global descriptor table. 
–shill-stub Overrides network stub behavior. By default, ethernet, wifi and vpn are enabled, and transitions occur instantaneously. Multiple options can be comma separated (no spaces). Note: all options are in the format ‘foo=x’. Values are case sensitive and based on Shill names in service_constants.h. See FakeShillManagerClient::SetInitialNetworkState for implementation. Examples: ‘clear=1’ – Clears all default configurations ‘wifi=on’ – A wifi network is initially connected (‘1’ also works) ‘wifi=off’ – Wifi networks are all initially disconnected (‘0’ also works) ‘wifi=disabled’ – Wifi is initially disabled ‘wifi=none’ – Wifi is unavailable ‘wifi=portal’ – Wifi connection will be in Portal state ‘cellular=1’ – Cellular is initially connected ‘cellular=LTE’ – Cellular is initially connected, technology is LTE ‘interactive=3’ – Interactive mode, connect/scan/etc requests take 3 secs 
–show-app-list If true the app list will be shown. 
–show-autofill-signatures Annotates forms and fields with Autofill signatures. 
–show-autofill-type-predictions Annotates forms with Autofill field type predictions. 
–show-cert-link If true the Certificate link will be shown in Page Info for HTTPS pages. 
–show-component-extension-options Makes component extensions appear in chrome://settings/extensions. 
–show-composited-layer-borders Renders a border around compositor layers to help debug and study layer compositing. 
–show-fps-counter Draws a heads-up-display showing Frames Per Second as well as GPU memory usage. If you also use –enable-logging=stderr –vmodule=”head*=1″ then FPS will also be output to the console log. 
–show-icons[1] See kHideIcons. 
–show-layer-animation-bounds Renders a border that represents the bounding box for the layer’s animation. 
–show-login-dev-overlay If true, the developer tool overlay will be shown for the login/lock screen. This makes it easier to test layout logic. 
–show-mac-overlay-borders[10] Show borders around CALayers corresponding to overlays and partial damage. 
–show-md-login If true, the views-based md login and lock screens will be shown. 
–show-non-md-login If true, the non-md login and lock screens will be shown. 
–show-overdraw-feedback Visualize overdraw by color-coding elements based on if they have other elements drawn underneath. This is good for showing where the UI might be doing more rendering work than necessary. The colors are hinting at the amount of overdraw on your screen for each pixel, as follows: True color: No overdraw. Blue: Overdrawn once. Green: Overdrawn twice. Pink: Overdrawn three times. Red: Overdrawn four or more times. 
–show-paint-rects Visibly render a border around paint rects in the web page to help debug and study painting behavior. 
–show-property-changed-rects Show rects in the HUD around layers whose properties have changed. 
–show-saved-copy Command line flag offering a “Show saved copy” option to the user if offline. The various modes are disabled, primary, or secondary. Primary/secondary refers to button placement (for experiment). 
–show-screenspace-rects Show rects in the HUD around the screen-space transformed bounds of every layer. 
–show-surface-damage-rects Show rects in the HUD around damage as it is recorded into each render surface. 
–silent-debugger-extension-api Does not show an infobar when an extension attaches to a page using chrome.debugger page. Required to attach to extension background pages. 
–silent-launch Causes Chrome to launch without opening any windows by default. Useful if one wishes to use Chrome as an ash server. 
–simulate-critical-update Simulates a critical update being available. 
–simulate-elevated-recovery Simulates that elevation is needed to recover upgrade channel. 
–simulate-outdated Simulates that current version is outdated. 
–simulate-outdated-no-au Simulates that current version is outdated and auto-update is off. 
–simulate-upgrade Simulates an update being available. 
–single-process Runs the renderer and plugins in the same process as the browser 
–site-per-process Enforces a one-site-per-process security policy: * Each renderer process, for its whole lifetime, is dedicated to rendering pages for just one site. * Thus, pages from different sites are never in the same process. * A renderer process’s access rights are restricted based on its site. * All cross-site navigations force process swaps. * <iframe>s are rendered out-of-process whenever the src= is cross-site. More details here: – http://www.chromium.org/developers/design-documents/site-isolation – http://www.chromium.org/developers/design-documents/process-models – The class comment in site_instance.h, listing the supported process models. IMPORTANT: this isn’t to be confused with –process-per-site (which is about process consolidation, not isolation). You probably want this one. 
–skip-gpu-data-loading Skip gpu info collection, blacklist loading, and blacklist auto-update scheduling at browser startup time. Therefore, all GPU features are available, and about:gpu page shows empty content. The switch is intended only for layout tests. TODO(gab): Get rid of this switch entirely. 
–skip-nostore-all No description 
–skip-nostore-main No description 
–skip-reencoding-on-skp-capture Skips reencoding bitmaps as PNGs when the encoded data is unavailable during SKP capture. This allows for obtaining an accurate sample of the types of images on the web, rather than being weighted towards PNGs that we have encoded ourselves. 
–slow Defines that Material Design visual feedback animations should be slow. 
–slow-connections-only No description 
–slow-down-raster-scale-factor Re-rasters everything multiple times to simulate a much slower machine. Give a scale factor to cause raster to take that many times longer to complete, such as –slow-down-raster-scale-factor=25. 
–sms-test-messages Sends test messages on first call to RequestUpdate (stub only). 
–spdy-proxy-auth-fallback The origin of the data reduction proxy fallback. 
–spdy-proxy-auth-origin The origin of the data reduction proxy. 
–spdy-proxy-auth-value A test key for data reduction proxy authentication. 
–spelling-service-feedback-interval-seconds[20] Specifies the number of seconds between sending batches of feedback to spelling service. The default is 30 minutes. The minimum is 5 seconds. This switch is for temporary testing only. TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by August 2013. 
–spelling-service-feedback-url[20] Specifies the URL where spelling service feedback data will be sent instead of the default URL. This switch is for temporary testing only. TODO(rouslan): Remove this flag when feedback testing is complete. Revisit by August 2013. 
–spurious-power-button-accel-count Number of recent acceleration samples that must meet or exceed the threshold in order for a power button event to be considered spurious. 
–spurious-power-button-keyboard-accel Threshold (in m/s^2, disregarding gravity) that keyboard acceleration must meet or exceed for a power button event to be considered spurious. 
–spurious-power-button-lid-angle-change Change in lid angle (i.e. hinge between keyboard and screen) that must be exceeded for a power button event to be considered spurious. 
–spurious-power-button-screen-accel Threshold (in m/s^2, disregarding gravity) that screen acceleration must meet or exceed for a power button event to be considered spurious. 
–spurious-power-button-window Number of recent accelerometer samples to examine to determine if a power button event was spurious. 
–ssl-key-log-file Causes SSL key material to be logged to the specified file for debugging purposes. See https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS/Key_Log_Format for the format. 
–ssl-version-max Specifies the maximum SSL/TLS version (“tls1”, “tls1.1”, “tls1.2”, or “tls1.3”;)
–ssl-version-min Specifies the minimum SSL/TLS version (“tls1”, “tls1.1”, “tls1.2”, or “tls1.3”;)
–stable-release-mode This makes us disable some web-platform runtime features so that we test content_shell as if it was a stable release. It is only followed when kRunLayoutTest is set. For the features’ level, see http://dev.chromium.org/blink/runtime-enabled-features. 
–start-fullscreen Specifies if the browser should start in fullscreen mode, like if the user had pressed F11 right after startup. 
–start-maximized Starts the browser maximized, regardless of any previous settings. 
–start-stack-profiler Starts the stack sampling profiler in the child process. 
–started Value for kTestCrosGaiaIdMigration indicating that migration is started (i.e. all stored user keys will be converted to GaiaId) 
–stub No description 
–stub-cros-settings Indicates that a stub implementation of CrosSettings that stores settings in memory without signing should be used, treating current user as the owner. This also modifies OwnerSettingsServiceChromeOS::HandlesSetting such that no settings are handled by OwnerSettingsServiceChromeOS. This option is for testing the chromeos build of chrome on the desktop only. 
–supports-dual-gpus Indicates whether the dual GPU switching is supported or not. 
–surface No description 
–swiftshader No description 
–swiftshader-webgl No description 
–sync-allow-insecure-xmpp-connection Allows insecure XMPP connections for sync (for testing). 
–sync-deferred-startup-timeout-seconds Allows overriding the deferred init fallback timeout. 
–sync-disable-deferred-startup Enables deferring sync backend initialization until user initiated changes occur. 
–sync-enable-get-update-avoidance Enables feature to avoid unnecessary GetUpdate requests. 
–sync-notification-host-port Overrides the default host:port used for notifications. 
–sync-on-draw-hardware No description 
–sync-short-initial-retry-override This flag causes sync to retry very quickly (see polling_constants.h) the when it encounters an error, as the first step towards exponential backoff. 
–sync-short-nudge-delay-for-test This flag significantly shortens the delay between nudge cycles. Its primary purpose is to speed up integration tests. The normal delay allows coalescing and prevention of server overload, so don’t use this unless you’re really sure that it’s what you want. 
–sync-url Overrides the default server used for profile sync. 
–system-developer-mode Indicates that the system is running in dev mode. The dev mode probing is done by session manager. 
–system-log-upload-frequency Frequency in Milliseconds for system log uploads. Should only be used for testing purposes. 
–tab-management-experiment-type-disabled[5] Specifies a particular tab management experiment to enable. 
–tab-management-experiment-type-elderberry[5] No description 
–task-profiler Report per-task heap usage and churn in the task profiler. Does not keep track of individual allocations unlike the default and native mode. Keeps only track of summarized churn stats in the task profiler (chrome://profiler). 
–team-drives Enables or disables Team Drives integration. 
–test-auto-update-ui Enables testing for auto update UI. 
–test-child-process When running certain tests that spawn child processes, this switch indicates to the test framework that the current process is a child process. 
–test-cros-gaia-id-migration Controls CrOS GaiaId migration for tests (“” is default). 
–test-do-not-initialize-icu When running certain tests that spawn child processes, this switch indicates to the test framework that the current process should not initialize ICU to avoid creating any scoped handles too early in startup. 
–test-encryption-migration-ui Enables testing for encryption migration UI. 
–test-gl-lib Flag used for Linux tests: for desktop GL bindings, try to load this GL library first, but fall back to regular library if loading fails. 
–test-name Passes the name of the current running automated test to Chrome. 
–test-type Type of the current test harness (“browser” or “ui”;)
–testing-fixed-http-port Allows for forcing socket connections to http/https to use fixed ports. 
–testing-fixed-https-port No description 
–tether-stub Overrides Tether with stub service. Provide integer arguments for the number of fake networks desired, e.g. ‘tether-stub=2’. 
–timeout Issues a stop after the specified number of milliseconds. This cancels all navigation and causes the DOMContentLoaded event to fire. 
–tls1 These values aren’t switches, but rather the values that kSSLVersionMax and kSSLVersionMin can have. 
–tls1.1 No description 
–tls1.2 No description 
–tls1.3 No description 
–tls13-variant Specifies the enabled TLS 1.3 variant (“disabled”, “draft”, “experiment”;)
–top-chrome-md Enables top Chrome material design elements. 
–top-controls-hide-threshold Percentage of the browser controls need to be hidden before they will auto hide. 
–top-controls-show-threshold Percentage of the browser controls need to be shown before they will auto show. 
–touch-calibration[14] The calibration factors given as “<left>,<right>,<top>,<bottom>”. 
–touch-devices[28] Tells chrome to interpret events from these devices as touch events. Only available with XInput 2 (i.e. X server 1.8 or above). The id’s of the devices can be retrieved from ‘xinput list’. 
–touch-events Enable support for touch event feature detection. 
–touch-noise-filtering[14] Tells Chrome to do additional touch noise filtering. Should only be used if the driver level filtering is insufficient. 
–touch-selection-strategy Controls how text selection granularity changes when touch text selection handles are dragged. Should be “character” or “direction”. If not specified, the platform default is used. 
–touch_view No description 
–trace-config-file Causes TRACE_EVENT flags to be recorded from startup. This flag will be ignored if –trace-startup or –trace-shutdown is provided. 
–trace-export-events-to-etw[1] Enables the exporting of the tracing events to ETW. This is only supported on Windows Vista and later. 
–trace-shutdown Causes TRACE_EVENT flags to be recorded beginning with shutdown. Optionally, can specify the specific trace categories to include (e.g. –trace-shutdown=base,net) otherwise, all events are recorded. –trace-shutdown-file can be used to control where the trace log gets stored to since there is otherwise no way to access the result. 
–trace-shutdown-file If supplied, sets the file which shutdown tracing will be stored into, if omitted the default will be used “chrometrace.log” in the current directory. Has no effect unless –trace-shutdown is also supplied. Example: –trace-shutdown –trace-shutdown-file=/tmp/trace_event.log 
–trace-startup Causes TRACE_EVENT flags to be recorded from startup. Optionally, can specify the specific trace categories to include (e.g. –trace-startup=base,net) otherwise, all events are recorded. Setting this flag results in the first call to BeginTracing() to receive all trace events since startup. In Chrome, you may find –trace-startup-file and –trace-startup-duration to control the auto-saving of the trace (not supported in the base-only TraceLog component). 
–trace-startup-duration Sets the time in seconds until startup tracing ends. If omitted a default of 5 seconds is used. Has no effect without –trace-startup, or if –startup-trace-file=none was supplied. 
–trace-startup-file If supplied, sets the file which startup tracing will be stored into, if omitted the default will be used “chrometrace.log” in the current directory. Has no effect unless –trace-startup is also supplied. Example: –trace-startup –trace-startup-file=/tmp/trace_event.log As a special case, can be set to ‘none’ – this disables automatically saving the result to a file and the first manually recorded trace will then receive all events since startup. 
–trace-to-console Sends a pretty-printed version of tracing info to the console. 
–trace-to-file Sends trace events from these categories to a file. –trace-to-file on its own sends to default categories. 
–trace-to-file-name Specifies the file name for –trace-to-file. If unspecified, it will go to a default file name. 
–trace-upload-url Sets the target URL for uploading tracing data. 
–translate-ranker-model-url Overrides the URL from which the translate ranker model is downloaded. 
–translate-script-url Overrides the default server used for Google Translate. 
–translate-security-origin Overrides security-origin with which Translate runs in an isolated world. 
–true Value indicating whether flag from command line switch is true. 
–trusted-download-sources Identifies a list of download sources as trusted, but only if proper group policy is set. 
–try-chrome-again Experimental. Shows a dialog asking the user to try chrome. This flag is to be used only by the upgrade process. 
–try-supported-channel-layouts[1] Instead of always using the hardware channel layout, check if a driver supports the source channel layout. Avoids outputting empty channels and permits drivers to enable stereo to multichannel expansion. Kept behind a flag since some drivers lie about supported layouts and hang when used. See http://crbug.com/259165 for more details. 
–type Indicates the type of process to run. This may be “service-manager”, “service-runner”, or any other arbitrary value supported by the embedder. 
–ui-disable-partial-swap Disable partial swap which is needed for some OpenGL drivers / emulators. 
–ui-enable-layer-lists No description 
–ui-enable-rgba-4444-textures No description 
–ui-enable-zero-copy No description 
–ui-prioritize-in-gpu-process Prioritizes the UI’s command stream in the GPU process 
–ui-show-composited-layer-borders No description 
–ui-show-fps-counter No description 
–ui-show-layer-animation-bounds No description 
–ui-show-paint-rects No description 
–ui-show-property-changed-rects No description 
–ui-show-screenspace-rects No description 
–ui-show-surface-damage-rects No description 
–ui-slow-animations No description 
–uninstall[1] Runs un-installation steps that were done by chrome first-run. 
–unlimited-storage Overrides per-origin quota settings to unlimited storage for any apps/origins. This should be used only for testing purpose. 
–unsafe-pac-url Pass the full https:// URL to PAC (Proxy Auto Config) scripts. As opposed to the default behavior which strips path and query components before passing to the PAC scripts. 
–unsafely-allow-protected-media-identifier-for-domain For automated testing of protected content, this switch allows specific domains (e.g. example.com) to skip asking the user for permission to share their personal identifier. In this context, domain does not include the port number. This flag will have no effect if user-data-dir is not set and will not affect the user’s content settings. Reference: http://crbug.com/718608 Example: –unsafely-allow-protected-media-identifier-for-domain=a.com,b.ca –user-data-dir=/test/only/profile/dir 
–unsafely-treat-insecure-origin-as-secure Treat given (insecure) origins as secure origins. Multiple origins can be supplied. Has no effect unless –user-data-dir is also supplied. Example: –unsafely-treat-insecure-origin-as-secure=http://a.test,http://b.test –user-data-dir=/test/only/profile/dir 
–use-angle Select which ANGLE backend to use. Options are: default: Attempts several ANGLE renderers until one successfully initializes, varying ES support by platform. d3d9: Legacy D3D9 renderer, ES2 only. d3d11: D3D11 renderer, ES2 and ES3. warp: D3D11 renderer using software rasterization, ES2 and ES3. gl: Desktop GL renderer, ES2 and ES3. gles: GLES renderer, ES2 and ES3. 
–use-cras[29] Use CRAS, the ChromeOS audio server. 
–use-double-buffering No description 
–use-fake-device-for-media-stream Use fake device for Media Stream to replace actual camera and microphone. 
–use-fake-jpeg-decode-accelerator Use fake device for accelerated decoding of JPEG. This allows, for example, testing of the communication to the GPU service without requiring actual accelerator hardware to be present. 
–use-fake-ui-for-media-stream Bypass the media stream infobar by selecting the default device for media streams (e.g. WebRTC). Works with –use-fake-device-for-media-stream. 
–use-file-for-fake-audio-capture Play a .wav file as the microphone. Note that for WebRTC calls we’ll treat the bits as if they came from the microphone, which means you should disable audio processing (lest your audio file will play back distorted). The input file is converted to suit Chrome’s audio buses if necessary, so most sane .wav files should work. You can pass either <path> to play the file looping or <path>%noloop to stop after playing the file to completion. 
–use-file-for-fake-video-capture Use an .y4m file to play as the webcam. See the comments in media/capture/video/file_video_capture_device.h for more details. 
–use-first-display-as-internal Uses the 1st display in –ash-host-window-bounds as internal display. This is for debugging on linux desktop. 
–use-gl Select which implementation of GL the GPU process should use. Options are: desktop: whatever desktop OpenGL the user has installed (Linux and Mac default). egl: whatever EGL / GLES2 the user has installed (Windows default – actually ANGLE). osmesa: The OSMesa software renderer. swiftshader: The SwiftShader software renderer. 
–use-gpu-in-tests Use hardware gpu, if available, for tests. 
–use-ime-service By default we use classic IME (i.e. InputMethodChromeOS) in kMus. This flag enables the IME service (i.e. InputMethodMus) instead. 
–use-mobile-user-agent Set when Chromium should use a mobile user agent. 
–use-mock-keychain[6] No description 
–use-passthrough-cmd-decoder Use the Pass-through command decoder, skipping all validation and state tracking. 
–use-simple-cache-backend Uses experimental simple cache backend if possible. 
–use-system-default-printer[30] Uses the system default printer as the initially selected destination in print preview, instead of the most recently used destination. 
–use-test-config Initializes X11 in threaded mode, and sets the |override_redirect| flag when creating X11 windows. Also, exposes the WindowServerTest interface to clients when launched with this flag. 
–user-agent A string used to override the default user agent with a custom one. 
–user-always-affiliated Always treat user as affiliated. TODO(antrim): Remove once test servers correctly produce affiliation ids. 
–user-data-dir Directory where the browser stores the user profile. 
–user-gesture-required Autoplay policy to require a user gesture in order to play. 
–user-gesture-required-for-cross-origin Autoplay policy to require a user gesture in ordor to play for cross origin iframes. 
–utility Causes the process to run as a utility subprocess. 
–utility-allowed-dir The utility process is sandboxed, with access to one directory. This flag specifies the directory that can be accessed. 
–utility-cmd-prefix The contents of this flag are prepended to the utility process command line. Useful values might be “valgrind” or “xterm -e gdb –args”. 
–utility-run-elevated No description 
–v Gives the default maximal active V-logging level; 0 is the default. Normally positive values are used for V-logging levels. 
–v2-sandbox[6] Enable the V2 sandbox during the helper executable initialization. 
–v2-sandbox-enabled[6] The command line paramter indicating that the v2 sandbox is enabled. This must be different than the “v2-sandbox” flag to avoid endless re-executing. The flag tells the sandbox initialization code inside Chrome that the sandbox should already be enabled. TODO(kerrnel): Remove this once the V2 sandbox migration is complete, as processes will be assumed to run under the V2 sandbox. 
–v8-cache-options Set options to cache V8 data. (off, preparse data, or code) 
–v8-cache-strategies-for-cache-storage Set strategies to cache V8 data in CacheStorage. (off, normal, or aggressive) 
–validate-crx Examines a .crx for validity and prints the result. 
–validate-input-event-stream In debug builds, asserts that the stream of input events is valid. 
–variations-override-country Allows overriding the country used for evaluating variations. This is similar to the “Override Variations Country” entry on chrome://translate-internals, but is exposed as a command-line flag to allow testing First Run scenarios. Additionally, unlike chrome://translate-internals, the value isn’t persisted across sessions. 
–variations-server-url Specifies a custom URL for the server which reports variation data to the client. Specifying this switch enables the Variations service on unofficial builds. See variations_service.cc. 
–version No description 
–video-image-texture-target Texture target for CHROMIUM_image backed video frame textures. 
–video-threads Set number of threads to use for video decoding. 
–video-underflow-threshold-ms Allows clients to override the threshold for when the media renderer will declare the underflow state for the video stream when audio is present. TODO(dalecurtis): Remove once experiments for http://crbug.com/470940 finish. 
–virtual-time-budget If set the system waits the specified number of virtual milliseconds before deeming the page to be ready. For determinism virtual time does not advance while there are pending network fetches (i.e no timers will fire). Once all network fetches have completed, timers fire and if the system runs out of virtual time is fastforwarded so the next timer fires immediatley, until the specified virtual time budget is exhausted. 
–vmodule Gives the per-module maximal V-logging levels to override the value given by –v. E.g. “my_module=2,foo*=3” would change the logging level for all code in source files “my_module.*” and “foo*.*” (“-inl” suffixes are also disregarded for this matching). Any pattern containing a forward or backward slash will be tested against the whole pathname and not just the module. E.g., “*/foo/bar/*=2” would change the logging level for all code in source files under a “foo/bar” directory. 
–wait-for-debugger Will wait for 60 seconds for a debugger to come to attach to the process. 
–wait-for-debugger-children Will add kWaitForDebugger to every child processes. If a value is passed, it will be used as a filter to determine if the child process should have the kWaitForDebugger flag passed on or not. 
–wake-on-wifi-packet Enables wake on wifi packet feature, which wakes the device on the receipt of network packets from whitelisted sources. 
–wallet-service-use-sandbox Use the sandbox Online Wallet service URL (for developer testing). 
–watcher[1] Causes the process to run as a watcher process. 
–waveout-buffers[1] Number of buffers to use for WaveOut. 
–webapk-server-url[5] Custom WebAPK server URL for the sake of testing. 
–webrtc-stun-probe-trial[12] Renderer process parameter for WebRTC Stun probe trial to determine the interval. Please see SetupStunProbeTrial in chrome_browser_field_trials_desktop.cc for more detail. 
–webview-enable-safebrowsing-support used to enable safebrowsing functionality in webview 
–webview-sandboxed-renderer No description 
–whitelisted-extension-id Adds the given extension ID to all the permission whitelists. 
–win-jumplist-action Specifies which category option was clicked in the Windows Jumplist that resulted in a browser startup. 
–window-position Specify the initial window position: –window-position=x,y 
–window-size Sets the initial window size. Provided as string in the format “800,600”. 
–window-workspace Specify the initial window workspace: –window-workspace=id 
–windows10-custom-titlebar[1] Enables custom-drawing the titlebar and tabstrip background so that it’s not a garish #FFFFFF like it is by default on Windows 10. 
–winhttp-proxy-resolver Uses WinHTTP to fetch and evaluate PAC scripts. Otherwise the default is to use Chromium’s network stack to fetch, and V8 to evaluate. 
–wm-window-animations-disabled If present animations are disabled. 
–yield-between-content-script-runs Whether to split content script injections into multiple tasks. 
–zygote Causes the process to run as a renderer zygote. 



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