a6713827
a6713827

Chromium命令行开关列表1

Chromium命令行开关列表

Google Chrome浏览器可以使用很多命令行。 一些更改功能的行为，其他用于调试或试验。 该页面列出了可用的开关，包括其条件和说明。 上一次自动更新发生在2020-08-12。

Condition Explanation
--/prefetch:1[1] ⊗ /prefetch：＃启动各种进程类型时使用的参数。 已经观察到，当使用相同的/prefetch：＃参数对3个进程启动的文件读取保持一致时，Windows prefetcher在进程启动时开始批量发布读取。 因为读取取决于进程类型，所以如果不使用/prefetch：＃参数，则预取器将无法观察一致的读取。 请注意，浏览器进程没有/ prefetch：＃参数； 因此，所有其他进程都必须有一个进程，以避免污染其配置文件。 注意：＃必须始终位于[1，8]中； 否则，Windows预取器将忽略它。 ↪
  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. ↪
--10000 ⊗ No description ↪
--100000 ⊗ No description ↪
--1000000 ⊗ No description ↪
--3d-display-mode[1] ⊗ No description ↪
--50000 ⊗ No description ↪
--500000 ⊗ No description ↪
--5000000 ⊗ No description ↪
--? ⊗ 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. ↪
--adaboost ⊗ No description ↪
--add-gpu-appcontainer-caps[1] ⊗ Add additional capabilities to the AppContainer sandbox on the GPU process. ↪
--add-xr-appcontainer-caps[1] ⊗ Add additional capabilities to the AppContainer sandbox used for XR compositing. ↪
--additional-trust-token-key-commitments ⊗ Manually sets additional Trust Tokens key commitments in the network service to the given value, which should be a JSON dictionary satisfying the requirements of TrustTokenKeyCommitmentParser::ParseMultipleIssuers. These keys are available in addition to keys provided by the most recent call to TrustTokenKeyCommitments::Set. For issuers with keys provided through both the command line and TrustTokenKeyCommitments::Set, the keys provided through the command line take precedence. This is because someone testing manually might want to pass additional keys via the command line to a real Chrome release with the component updater enabled, and it would be surprising if the manually-passed keys were overwritten some time after startup when the component updater runs. ↪
--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 ↪
--all ⊗ No description ↪
--all-renderers ⊗ 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 web 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-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[2] ⊗ Specifies comma-separated list of extension ids or hosts to grant access to CRX file system APIs. ↪
--allow-nacl-file-handle-api[2] ⊗ Specifies comma-separated list of extension ids or hosts to grant access to file handle APIs. ↪
--allow-nacl-socket-api[2] ⊗ 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-popups-during-page-unload ⊗ Allow a page to show popups during its unloading. TODO(https://crbug.com/937569): Remove this in Chrome 88. ↪
--allow-pre-commit-input ⊗ Allows processing of input before a frame has been committed. TODO(schenney): crbug.com/987626. Used by headless. Look for a way not involving a command line switch. ↪
--allow-profiles-outside-user-dir ⊗ Allows profiles to be created outside of the user data dir. TODO(https://crbug.com/1060366): Various places in Chrome assume that all profiles are within the user data dir. Some tests need to violate that assumption. The switch should be removed after this workaround is no longer needed. ↪
--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 ⊗ No description ↪
--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. ↪
--allow-sync-xhr-in-page-dimissal ⊗ Allow a page to send synchronus XHR during its unloading. TODO(https://crbug.com/1003101): Remove this in Chrome 88. ↪
--allow-third-party-modules[1] ⊗ Allows third party modules to inject by disabling the BINARY_SIGNATURE mitigation policy on Win10+. Also has other effects in ELF. ↪
--allow-unsecure-dlls[3] ⊗ Don't allow EnableSecureDllLoading to run when this is set. This is only to be used in tests. ↪
--alsa-amp-device-name ⊗ Name of the device the amp mixer should be opened on. If this flag is not specified it will default to the same device as kAlsaVolumeDeviceName. ↪
--alsa-amp-element-name ⊗ Name of the simple mixer control element that the ALSA-based media library should use to toggle powersave mode on the system. ↪
--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. Deprecated: Use --audio-output-sample-rate instead. ↪
--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. ↪
--alt1 ⊗ The Chrome-Proxy "exp" directive value used by data reduction proxy to receive an alternative back end implementation. ↪
--alt10 ⊗ No description ↪
--alt2 ⊗ No description ↪
--alt3 ⊗ No description ↪
--alt4 ⊗ No description ↪
--alt5 ⊗ No description ↪
--alt6 ⊗ No description ↪
--alt7 ⊗ No description ↪
--alt8 ⊗ No description ↪
--alt9 ⊗ No description ↪
--always-use-complex-text ⊗ Always use the complex text path for web 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. ↪
--angle ⊗ No description ↪
--animation-duration-scale ⊗ Scale factor to apply to every animation duration. Must be >= 0.0. This will only apply to LinearAnimation and its subclasses. ↪
--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-cache-force-enabled ⊗ Allows app cache to be forced on, even when gated by an origin trial. TODO(enne): remove this once app cache has been removed. ↪
--app-id ⊗ Specifies that the extension-app with the specified id should be launched according to its configuration. ↪
--app-launch-url-for-shortcuts-menu-item ⊗ Overrides the launch url of an app with the specified url. This is used along with kAppId to launch a given app with the url corresponding to an item in the app's shortcuts menu. ↪
--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[5] ⊗ Allow roaming in the cellular network. ↪
--app-shell-host-window-size[5] ⊗ Size for the host window to create (i.e. "800x600"). ↪
--app-shell-preferred-network[5] ⊗ SSID of the preferred WiFi network. ↪
--apple ⊗ No description ↪
--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-build-properties ⊗ A JSON dictionary whose content is the same as cros config's /arc/build-properties. ↪
--arc-data-cleanup-on-start ⊗ Flag that forces ARC data be cleaned on each start. ↪
--arc-disable-app-sync ⊗ Flag that disables ARC app sync flow that installs some apps silently. Used in autotests to resolve racy conditions. ↪
--arc-disable-gms-core-cache ⊗ Used in autotest to disable GMS-core caches which is on by default. ↪
--arc-disable-locale-sync ⊗ Flag that disables ARC locale sync with Android container. Used in autotest to prevent conditions when certain apps, including Play Store may get restarted. Restarting Play Store may cause random test failures. Enabling this flag would also forces ARC container to use 'en-US' as a locale and 'en-US,en' as preferred languages. ↪
--arc-disable-play-auto-install ⊗ Flag that disables ARC Play Auto Install flow that installs set of predefined apps silently. Used in autotests to resolve racy conditions. ↪
--arc-disable-system-default-apps ⊗ Used for development of Android app that are included into ARC++ as system default apps in order to be able to install them via adb. ↪
--arc-enable-native-bridge-64bit-support-experiment ⊗ Flag to enables an experiment to allow users to turn on 64-bit support in native bridge on systems that have such support available but not yet enabled by default. ↪
--arc-force-cache-app-icons ⊗ Flag that forces ARC to cache icons for apps. ↪
--arc-force-show-optin-ui ⊗ Flag that forces the OptIn ui to be shown. Used in tests. ↪
--arc-packages-cache-mode ⊗ Used in autotest to specifies how to handle packages cache. Can be copy - copy resulting packages.xml to the temporary directory. skip-copy - skip initial packages cache setup and copy resulting packages.xml to the temporary directory. ↪
--arc-play-store-auto-update ⊗ Used in autotest to forces Play Store auto-update state. Can be on - auto-update is forced on. off - auto-update is forced off. ↪
--arc-scale ⊗ Set the scale for ARC apps. This is in DPI. e.g. 280 DPI is ~ 1.75 device scale factor. See https://source.android.com/compatibility/android-cdd#3_7_runtime_compatibility for list of supported DPI values. ↪
--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. If it is not set, then ARC is started in default mode. ↪
--arc-tos-host-for-tests ⊗ Sets ARC Terms Of Service hostname url for testing. ↪
--arc-transition-migration-required ⊗ If this flag is present then the device had ARC M available and gets ARC N when updating. TODO(pmarko): Remove this when we assess that it's not necessary anymore: crbug.com/761348. ↪
--as-browser ⊗ Flag to launch tests in the browser process. ↪
--ash-color-mode ⊗ Indicates the current color mode of ash. ↪
--ash-constrain-pointer-to-root ⊗ Force the pointer (cursor) position to be kept inside root windows. ↪
--ash-contextual-nudges-interval ⊗ Overrides the minimum time that must pass between showing user contextual nudges. Unit of time is in seconds. ↪
--ash-contextual-nudges-reset-shown-count ⊗ Reset contextual nudge shown count on login. ↪
--ash-debug-shortcuts ⊗ Enable keyboard shortcuts useful for debugging. ↪
--ash-dev-shortcuts ⊗ Enable keyboard shortcuts used by developers only. ↪
--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-cursor-motion-blur ⊗ Enable cursor motion blur. ↪
--ash-enable-magnifier-key-scroller ⊗ Enables key bindings to scroll magnified screen. ↪
--ash-enable-palette-on-all-displays ⊗ Enables the palette on every display, instead of only the internal one. ↪
--ash-enable-software-mirroring ⊗ Enables software based mirroring. ↪
--ash-enable-unified-desktop[5] ⊗ Enables unified desktop mode. ↪
--ash-enable-v1-app-back-button ⊗ Enables Backbutton on frame for v1 apps. TODO(oshima): Remove this once the feature is launched. crbug.com/749713. ↪
--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. "1024x768" creates a window of size 1024x768. "100+200-1024x768" positions the window at 100,200. "1024x768*2" sets the scale factor to 2 for a high DPI display. "800,0+800-800x800" for two displays at 800x800 resolution. "800,0+800-800x800,0+1600-800x800" for three displays at 800x800 resolution. ↪
--ash-power-button-position ⊗ Power button position includes the power button's physical display side and the percentage for power button center position to the display's width/height in landscape_primary screen orientation. The value is a JSON object containing a "position" property with the value "left", "right", "top", or "bottom". For "left" and "right", a "y" property specifies the button's center position as a fraction of the display's height (in [0.0, 1.0]) relative to the top of the display. For "top" and "bottom", an "x" property gives the position as a fraction of the display's width relative to the left side of the display. ↪
--ash-side-volume-button-position ⊗ The physical position info of the side volume button while in landscape primary screen orientation. The value is a JSON object containing a "region" property with the value "keyboard", "screen" and a "side" property with the value "left", "right", "top", "bottom". ↪
--ash-touch-hud ⊗ Enables the heads-up display for tracking touch points. ↪
--attestation-server ⊗ Used in CryptohomeClient to determine which Google Privacy CA to use for attestation. ↪
--audio ⊗ No description ↪
--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. ↪
--audio-output-sample-rate ⊗ Specify fixed sample rate for audio output stream. If this flag is not specified the StreamMixer will choose sample rate based on the sample rate of the media stream. ↪
--audio-service-quit-timeout-ms ⊗ Set a timeout (in milliseconds) for the audio service to quit if there are no client connections to it. If the value is negative the service never quits. ↪
--aue-reached-for-update-required-test ⊗ If this switch is passed, the device policy DeviceMinimumVersion assumes that the device has reached Auto Update Expiration. This is useful for testing the policy behaviour on the DUT. ↪
--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-server-whitelist ⊗ Allowlist for Negotiate Auth servers. ↪
--auth-spnego-account-type[7] ⊗ Android authentication account type for SPNEGO authentication ↪
--auto ⊗ No description ↪
--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 sharing the entire screen in English locales. The switch value only needs to be substring of the capture source name, i.e. "display" would match "Built-in display" and "External display", whichever comes first. ↪
--autofill-api-key ⊗ Sets the API key that will be used when calling Autofill API instead of using Chrome's baked key by default. You can use this to test new versions of the API that are not linked to the Chrome baked key yet. ↪
--autofill-assistant-auth ⊗ Disables authentication when set to false. This is only useful during development, as prod instances require authentication. ↪
--autofill-assistant-key ⊗ Sets the API key to be used instead of Chrome's default key when sending requests to the backend. ↪
--autofill-assistant-url ⊗ Overrides the default backend URL. ↪
--autofill-ios-delay-between-fields ⊗ The delay between filling two fields. ↪
--autofill-metadata-upload-encoding ⊗ The randomized encoding type to use when sending metadata uploads. The value of the parameter must be one of the valid integer values of the AutofillRandomizedValue_EncodingType enum. ↪
--autofill-server-url ⊗ Override the default autofill server URL with "scheme://host[:port]/prefix/". ↪
--autofill-upload-throttling-period-in-days ⊗ The number of days after which to reset the registry of autofill events for which an upload has been sent. ↪
--autoplay-policy ⊗ Command line flag name to set the autoplay policy. ↪
--autopush ⊗ The command line alias and URL for the "autopush" environment. ↪
--back-gesture-horizontal-threshold ⊗ The number of pixels from the start of a left swipe gesture to consider as a 'back' gesture. ↪
--block-new-web-contents ⊗ If true, then all pop-ups and calls to window.open will fail. ↪
--bootstrap ⊗ Values for the kExtensionContentVerification flag. See ContentVerifierDelegate::Mode for more explanation. ↪
--bottom-gesture-start-height ⊗ The number of pixels up from the bottom of the screen to consider as a valid origin for a bottom swipe gesture. If set, overrides the value of both the above system-gesture-start-height flag and the default value in cast_system_gesture_handler.cc. ↪
--browser ⊗ No description ↪
--browser-startup-dialog ⊗ Causes the browser process to display a dialog on launch. ↪
--browser-subprocess-path ⊗ Path to the exe to run for the renderer and plugin subprocesses. ↪
--browser-test ⊗ Tells whether the code is running browser tests (this changes the startup URL used by the content shell and also disables features that can make tests flaky [like monitoring of memory pressure]). ↪
--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. ↪
--cast-app-background-color ⊗ Background color used when Chromium hasn't rendered anything yet. ↪
--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-scroll-animation-duration-in-seconds ⊗ Controls the duration of the scroll animation curve. ↪
--cdm ⊗ No description ↪
--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. ↪
--check-accessibility-permission[8] ⊗ No description ↪
--check-damage-early ⊗ Checks damage early and aborts the frame if no damage, so that clients like Android WebView don't invalidate unnecessarily. ↪
--check-for-update-interval ⊗ How often (in seconds) to check for updates. Should only be used for testing purposes. ↪
--check-permission[8] ⊗ No description ↪
--check-screen-recording-permission[8] ⊗ No description ↪
--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-mojo-pipe-token ⊗ The Mojo pipe token for IPC communication between the Software Reporter and Chrome. Dropped in M80. ↪
--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 ⊗ Values for the kAshUiMode flag. ↪
--class[9] ⊗ The same as the --class argument in X applications. Overrides the WM_CLASS window property with the given value. ↪
--cleaning-timeout ⊗ Set the timeout for the cleaning phase, in minutes. 0 disables the timeout entirely. WARNING: this switch is used by internal test systems. Be careful when making changes. ↪
--cleanup-id ⊗ Identifier used to group all reports generated during the same run of the cleaner, including runs before and after a reboot. The id is generated by the first cleaner process for a run, and propagated to spawned or scheduled cleaner processes. A new id will be generated in the first process for a subsequent cleanup, so cleanups from the same user cannot be tracked over time. ↪
--clear-key-cdm-path-for-testing ⊗ Specifies the path to the Clear Key CDM for testing, which is necessary to support External Clear Key key system when library CDM is enabled. Note that External Clear Key key system support is also controlled by feature kExternalClearKeyForTesting. ↪
--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-directories ⊗ No description ↪
--content-shell-hide-toolbar ⊗ Hides toolbar from content_shell's host window. ↪
--content-shell-host-window-size ⊗ Size for the content_shell's host window (i.e. "800x600"). ↪
--controller ⊗ No description ↪
--conversions-debug-mode ⊗ Causes the Conversion Measurement API to run without delays or noise. ↪
--copy-to-download-dir ⊗ Copy user action data to download directory. ↪
--cors-exempt-headers ⊗ No description ↪
--crash ⊗ Crash flag to force a crash right away. Mainly intended for ensuring crashes are properly recorded by crashpad. ↪
--crash-dumps-dir ⊗ The directory breakpad should store minidumps in. ↪
--crash-handler ⊗ Runs as the Crashpad handler. ↪
--crash-loop-before[5] ⊗ A time_t. Passed by session_manager into the Chrome user session, indicating that if Chrome crashes before the indicated time, session_manager will consider this to be a crash-loop situation and log the user out. Chrome mostly just passes this to crash_reporter if it crashes. ↪
--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 are the BrowserThreads that are supported. For example: --crash-on-hang-threads=UI:18,IO:18 --> Crash the browser if UI or IO is not responsive for 18 seconds while the other browser thread is responsive. ↪
--crash-server-url ⊗ Server url to upload crash data to. Default is "https://clients2.google.com/cr/report" for prod devices. Default is "https://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. ↪
--crashpad-handler-pid[10] ⊗ The process ID of the Crashpad handler. ↪
--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) ↪
--cros-region ⊗ Forces CrOS region value. ↪
--cros-regions-mode ⊗ Control regions data load ("" is default). ↪
--crosh-command[5] ⊗ Custom crosh command. ↪
--cryptauth-http-host ⊗ Overrides the default URL for Google APIs (https://www.googleapis.com) used by CryptAuth. ↪
--cryptauth-v2-devicesync-http-host ⊗ Overrides the default URL for CryptAuth v2 DeviceSync: https://cryptauthdevicesync.googleapis.com. ↪
--cryptauth-v2-enrollment-http-host ⊗ Overrides the default URL for CryptAuth v2 Enrollment: https://cryptauthenrollment.googleapis.com. ↪
--custom-android-messages-domain ⊗ No description ↪
--custom-devtools-frontend ⊗ Specifies the http:// endpoint which will be used to serve devtools://devtools/custom/ Or a file:// URL to specify a custom file path to load from for devtools://devtools/bundled/ ↪
--custom-launcher-page ⊗ Specifies the chrome-extension:// URL for the contents of an additional page added to the app launcher. ↪
--custom_summary[7] ⊗ Forces a custom summary to be displayed below the update menu item. ↪
--d3d-support[1] ⊗ No description ↪
--d3d11 ⊗ No description ↪
--d3d11-null ⊗ Special switches for "NULL"/stub driver implementations. ↪
--d3d11on12 ⊗ No description ↪
--d3d9 ⊗ No description ↪
--daemon ⊗ No description ↪
--dark ⊗ No description ↪
--data-path ⊗ Makes Content Shell use the given path for its data directory. ↪
--data-reduction-proxy-client-config ⊗ Uses the encoded ClientConfig instead of fetching one from the config server. This value is always used, regardless of error or expiration. The value should be a base64 encoded binary protobuf. ↪
--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-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 D-Bus clients. ↪
--de-jelly-screen-width ⊗ Screen width is useful for debugging. Shipping implementations should detect this. ↪
--deadline-to-synchronize-surfaces ⊗ The default number of the BeginFrames to wait to activate a surface with dependencies. ↪
--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[11] ⊗ 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-country-code[7] ⊗ Default country code to be used for search engine localization. ↪
--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). ↪
--deny-permission-prompts ⊗ Prevents permission prompts from appearing by denying instead of showing prompts. ↪
--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-mode ⊗ A meta flag. This sets a number of flags which put the browser into deterministic mode where begin frames should be issued over DevToolsProtocol (experimental). ↪
--device-management-url ⊗ Specifies the URL at which to communicate with the device management backend to fetch configuration policies and perform other device tasks. ↪
--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). ↪
--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-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-accelerated-video-encode ⊗ Disables hardware acceleration of video encode, where available. ↪
--disable-and-delete-previous-log ⊗ Disable cros action logging. ↪
--disable-angle-features ⊗ Disables specified comma separated ANGLE features if found. ↪
--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-arc-cpu-restriction ⊗ Prevents any CPU restrictions being set on the ARC container. Only meant to be used by tests as some tests may time out if the ARC container is throttled. ↪
--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-output ⊗ No description ↪
--disable-audio-support-for-desktop-share ⊗ No description ↪
--disable-auto-reload ⊗ Disable auto-reload of error pages. ↪
--disable-auto-wpt-origin-isolation ⊗ Disables the automatic origin isolation of web platform test domains. We normally origin-isolate them for better test coverage, but tests of opt-in origin isolation need to disable this. ↪
--disable-avfoundation-overlays[6] ⊗ Disable use of AVFoundation to draw video content. ↪
--disable-ax-menu-list ⊗ Optionally disable AXMenuList, which makes the internal pop-up menu UI for a select element directly accessible. ↪
--disable-back-forward-cache ⊗ Disables the BackForwardCache feature. ↪
--disable-background-media-suspend ⊗ Do not immediately suspend media in background tabs. ↪
--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-backgrounding-occluded-windows ⊗ Disable backgrounding renders for occluded windows. Done for tests to avoid nondeterministic behavior. ↪
--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-best-effort-tasks ⊗ Delays execution of TaskPriority::BEST_EFFORT tasks until shutdown. ↪
--disable-breakpad ⊗ Disables the crash reporting. ↪
--disable-bundled-ppapi-flash ⊗ Disables the bundled PPAPI version of Flash. ↪
--disable-cancel-all-touches[12] ⊗ Disable CancelAllTouches() function for the implementation on cancel single touches. ↪
--disable-canvas-aa ⊗ Disable antialiasing on 2d canvas. ↪
--disable-checker-imaging ⊗ Disabled defering all image decodes to the image decode service, ignoring DecodingMode preferences specified on PaintImage. ↪
--disable-checking-optimization-guide-user-permissions ⊗ No description ↪
--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-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-crash-reporter ⊗ Disable crash reporter for headless. It is enabled by default in official builds. ↪
--disable-d3d11 ⊗ Disables use of D3D11. ↪
--disable-databases ⊗ Disables HTML5 DB support. ↪
--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-dev-shm-usage[13] ⊗ The /dev/shm partition is too small in certain VM environments, causing Chrome to fail or crash (see http://crbug.com/715363). Use this flag to work-around this issue (a temporary directory will always be used to create anonymous shared memory files). ↪
--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 DirectComposition surface. ↪
--disable-direct-composition-video-overlays ⊗ Disables using DirectComposition video overlays, even if hardware overlays are supported. ↪
--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-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-enterprise-policy ⊗ Disables enterprise policy support. ↪
--disable-es3-gl-context ⊗ Disables use of ES3 backend (use ES2 backend instead). ↪
--disable-es3-gl-context-for-testing ⊗ Disables use of ES3 backend at a lower level, for testing purposes. This isn't guaranteed to work everywhere, so it's test-only. ↪
--disable-experimental-accessibility-chromevox-language-switching ⊗ Disables ChromeVox language switching feature. ↪
--disable-experimental-accessibility-chromevox-search-menus ⊗ Disables ChromeVox search menus feature. ↪
--disable-explicit-dma-fences ⊗ Disable explicit DMA-fences ↪
--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-features ⊗ Comma-separated list of feature names to disable. See also kEnableFeatures. ↪
--disable-fetching-hints-at-navigation-start ⊗ No description ↪
--disable-field-trial-config ⊗ Disable field trial tests configured in fieldtrial_testing_config.json. ↪
--disable-file-system ⊗ Disable FileSystem API. ↪
--disable-fine-grained-time-zone-detection ⊗ Disables fine grained time zone detection. ↪
--disable-flash-3d ⊗ Disable 3D inside of flapper. ↪
--disable-flash-stage3d ⊗ Disable Stage3D inside of flapper. ↪
--disable-font-subpixel-positioning ⊗ Force disables font subpixel positioning. This affects the character glyph sharpness, kerning, hinting and layout. ↪
--disable-frame-rate-limit ⊗ Disables begin frame limiting in both cc scheduler and display scheduler. Also implies --disable-gpu-vsync (see //ui/gl/gl_switches.h). ↪
--disable-gaia-services ⊗ Disables GAIA services such as enrollment and OAuth session restore. Used by 'fake' telemetry login. ↪
--disable-gesture-requirement-for-presentation ⊗ Disable user gesture requirement for presentation. ↪
--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 ⊗ For tests, to disable the limit on the number of times the GPU process may be restarted. ↪
--disable-gpu-process-for-dx12-info-collection ⊗ Disables the non-sandboxed GPU process for DX12 info collection ↪
--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 flag. ↪
--disable-gpu-sandbox ⊗ Disables the GPU process sandbox. ↪
--disable-gpu-shader-disk-cache ⊗ Disables the GPU shader on disk cache. ↪
--disable-gpu-vsync ⊗ Stop the GPU from synchronizing presentation with vblank. ↪
--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-headless-mode ⊗ Disables the shell from beginning in headless mode. Tests will then attempt to use the hardware GPU for rendering. This is only followed when kRunWebTests is set. ↪
--disable-hid-detection-on-oobe ⊗ Disables HID-detection OOBE screen. ↪
--disable-highres-timer[1] ⊗ Disable high-resolution timer on Windows. ↪
--disable-histogram-customizer ⊗ Disable the RenderThread's HistogramCustomizer. ↪
--disable-hosted-app-shim-creation[6] ⊗ Disables app shim creation for hosted apps on Mac. ↪
--disable-image-animation-resync ⊗ Disallow image animations to be reset to the beginning to avoid skipping many frames. Only effective if compositor image animations are enabled. ↪
--disable-in-process-stack-traces ⊗ Disables the in-process stack traces. ↪
--disable-ios-password-suggestions ⊗ Disable showing available password credentials in the keyboard accessory view when focused on form fields. ↪
--disable-ipc-flooding-protection ⊗ Disables the IPC flooding protection. It is activated by default. Some javascript functions can be used to flood the browser process with IPC. This protection limits the rate at which they can be used. ↪
--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-layer-tree-host-memory-pressure ⊗ Disables LayerTreeHost::OnMemoryPressure ↪
--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[5] ⊗ Disables logging redirect for testing. ↪
--disable-login-animations ⊗ Avoid doing expensive animations upon login. ↪
--disable-login-screen-apps[5] ⊗ 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-mac-overlays[6] ⊗ Fall back to using CAOpenGLLayers display content, instead of the IOSurface based overlay display path. ↪
--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-media-session-api[7] ⊗ Disable Media Session API ↪
--disable-metal-test-shaders ⊗ No description ↪
--disable-modal-animations[6] ⊗ Disable animations for showing and hiding modal dialogs. ↪
--disable-mojo-renderer ⊗ 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-multi-display-layout ⊗ Disables the multiple display layout UI. ↪
--disable-namespace-sandbox ⊗ Disables usage of the namespace sandbox. ↪
--disable-new-content-rendering-timeout ⊗ Disables clearing the rendering output of a renderer when it didn't commit new output for a while after a top-frame navigation. ↪
--disable-notifications ⊗ Disables the Web Notification and the Push APIs. ↪
--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-oop-rasterization ⊗ Disables OOP rasterization. Takes precedence over the enable flag. ↪
--disable-oopr-debug-crash-dump[7] ⊗ Disables debug crash dumps for OOPR. ↪
--disable-oor-cors ⊗ Disable OOR-CORS in child processes regardless of the base::Feature flag. ↪
--disable-overscroll-edge-effect[7] ⊗ Disable overscroll edge effects like those found in Android views. ↪
--disable-partial-raster ⊗ Disable partial raster in the renderer. Disabling this switch also disables the use of persistent gpu memory buffers. ↪
--disable-pepper-3d ⊗ Disable Pepper3D. ↪
--disable-pepper-3d-image-chromium ⊗ Disable Image Chromium for Pepper 3d. ↪
--disable-per-user-timezone ⊗ Disables per-user timezone. ↪
--disable-permissions-api ⊗ Disables the Permissions API. ↪
--disable-pinch ⊗ Disables compositor-accelerated touch-screen pinch gestures. ↪
--disable-pnacl-crash-throttling ⊗ Disables crash throttling for Portable Native Client. ↪
--disable-popup-blocking ⊗ Disables 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-pull-to-refresh-effect[7] ⊗ Disable the pull-to-refresh effect when vertically overscrolling content. ↪
--disable-pushstate-throttle ⊗ Disables throttling of history.pushState/replaceState calls. ↪
--disable-reading-from-canvas ⊗ Taints all elements, regardless of origin. ↪
--disable-remote-core-animation[6] ⊗ 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-resource-scheduler ⊗ Whether the ResourceScheduler is disabled. Note this is only useful for C++ Headless embedders who need to implement their own resource scheduling. ↪
--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-running-as-system-compositor ⊗ Disable running as system compositor. ↪
--disable-screen-orientation-lock[7] ⊗ Disable the locking feature of the screen orientation API. ↪
--disable-scroll-to-text-fragment ⊗ This switch disables the ScrollToTextFragment feature. ↪
--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-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-frame-client-certs ⊗ Disables client certificate authentication on the sign-in frame on the Chrome OS sign-in profile. TODO(https://crbug.com/844022): Remove this flag when reaching endpoints that request client certs does not hang anymore when there is no system token yet. ↪
--disable-signin-scoped-device-id ⊗ Disables sending signin scoped device id to LSO with refresh token request. ↪
--disable-site-isolation-for-policy[7] ⊗ Just like kDisableSiteIsolation, but doesn't show the "stability and security will suffer" butter bar warning. ↪
--disable-site-isolation-trials ⊗ Disables site isolation. Note that the opt-in (to site-per-process, isolate-origins, etc.) via enterprise policy and/or cmdline takes precedence over the kDisableSiteIsolation switch (i.e. the opt-in takes effect despite potential presence of kDisableSiteIsolation switch). Note that for historic reasons the name of the switch misleadingly mentions "trials", but the switch also disables the default site isolation that ships on desktop since M67. The name of the switch is preserved for backcompatibility of chrome://flags. ↪
--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. web tests. ↪
--disable-smooth-scrolling ⊗ Disable smooth scrolling for testing. ↪
--disable-software-compositing-fallback ⊗ For tests, to disable falling back to software compositing if the GPU Process has crashed, and reached the GPU Process crash limit. ↪
--disable-software-rasterizer ⊗ Disables the use of a 3D software rasterizer. ↪
--disable-software-video-decoders ⊗ No description ↪
--disable-speech-api ⊗ Disables the Web Speech API (both speech recognition and synthesis). ↪
--disable-speech-synthesis-api ⊗ Disables the speech synthesis part of Web Speech API. ↪
--disable-sync ⊗ Disables syncing browser data to a Google Account. ↪
--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-font-check ⊗ Disables the check for the system font when specified. ↪
--disable-test-root-certs ⊗ Disables adding the test certs in the network process. ↪
--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-timeouts-for-profiling[7] ⊗ Disable timeouts that may cause the browser to die when running slowly. This is useful if running with profiling (such as debug malloc). ↪
--disable-touch-adjustment ⊗ Disables touch adjustment. ↪
--disable-touch-drag-drop ⊗ Disables touch event based drag and drop. ↪
--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-video-capture-use-gpu-memory-buffer ⊗ This is for the same feature controlled by kVideoCaptureUseGpuMemoryBuffer. kVideoCaptureUseGpuMemoryBuffer is settled by chromeos overlays. This flag is necessary to overwrite the settings via chrome:// flag. The behavior of chrome://flag#zero-copy-video-capture is as follows; Default : Respect chromeos overlays settings. Enabled : Force to enable kVideoCaptureUseGpuMemoryBuffer. Disabled : Force to disable kVideoCaptureUseGpuMemoryBuffer. ↪
--disable-volume-adjust-sound ⊗ Disables volume adjust sound. ↪
--disable-vsync-for-tests ⊗ No description ↪
--disable-vulkan-fallback-to-gl-for-testing ⊗ Disables falling back to GL based hardware rendering if initializing Vulkan fails. This is to allow tests to catch regressions in Vulkan. ↪
--disable-vulkan-surface ⊗ Disables VK_KHR_surface extension. Instead of using swapchain, bitblt will be used for present render result on screen. ↪
--disable-wake-on-wifi ⊗ Disables wake on wifi features. ↪
--disable-web-security ⊗ Don't enforce the same-origin policy. (Used by people testing their sites.) ↪
--disable-webgl ⊗ Disable all versions of WebGL. ↪
--disable-webgl-image-chromium ⊗ Disables WebGL rendering into a scanout buffer for overlay support. ↪
--disable-webgl2 ⊗ Disable WebGL2. ↪
--disable-webrtc-encryption ⊗ 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 ⊗ Disables HW decode acceleration for WebRTC. ↪
--disable-webrtc-hw-encoding ⊗ Disables HW encode acceleration for WebRTC. ↪
--disable-windows10-custom-titlebar[1] ⊗ Disables custom-drawing the window titlebar on Windows 10. ↪
--disable-yuv-image-decoding ⊗ Disable YUV image decoding for those formats and cases where it's supported. Has no effect unless GPU rasterization is enabled. ↪
--disable-yuv420-biplanar ⊗ Disable a NV12 format buffer allocation with gfx::BufferUsage::SCANOUT_CPU_READ_WRITE usage. ↪
--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 ⊗ 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. ↪
--discoverability ⊗ No description ↪
--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 ⊗ 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. ↪
--dont-require-litepage-redirect-infobar ⊗ Do not require the user notification InfoBar to be shown before triggering a Lite Page Redirect preview. ↪
--double-buffer-compositing ⊗ Sets the number of max pending frames in the GL buffer queue to 1. ↪
--draw-view-bounds-rects ⊗ Draws a semitransparent rect to indicate the bounds of each view. ↪
--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. ↪
--dump-raw-logs ⊗ Dump the raw logs to a file with the same base name as the executable. The dumped file is a raw protobuf and has a "pb" extension. WARNING: this switch is used by internal test systems. Be careful when making changes. ↪
--easy-unlock-app-path ⊗ Overrides the path of Easy Unlock component app. ↪
--edge-touch-filtering[12] ⊗ Tells Chrome to do edge touch filtering. Useful for convertible tablet. ↪
--egl ⊗ No description ↪
--elevate ⊗ No description ↪
--elevated ⊗ Identify that the process is already supposed to be elevated, so that we don't try again. ↪
--embedded-extension-options ⊗ Enables extension options to be embedded in chrome://extensions rather than a new tab. ↪
--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-accessibility-object-model ⊗ Enable the experimental Accessibility Object Model APIs in development. ↪
--enable-accessibility-tab-switcher[7] ⊗ Enable the accessibility tab switcher. ↪
--enable-adaptive-selection-handle-orientation[7] ⊗ 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-angle-features ⊗ ANGLE features are defined per-backend in third_party/angle/include/platform Enables specified comma separated ANGLE features if found. ↪
--enable-app-list ⊗ If set, the app list will be enabled as if enabled from CWS. ↪
--enable-arc ⊗ DEPRECATED. Please use --arc-availability=officially-supported. Enables starting the ARC instance upon session start. ↪
--enable-arcvm ⊗ Enables ARC VM. ↪
--enable-audio-debug-recordings-from-extension ⊗ If the WebRTC logging private API is active, enables audio debug recordings. ↪
--enable-auto-reload ⊗ Enable auto-reload of error pages. ↪
--enable-automation ⊗ Enable indication that browser is controlled by automation. ↪
--enable-background-tracing ⊗ Enables background and upload trace to trace-upload-url. Trigger rules are pass as an argument. ↪
--enable-begin-frame-control ⊗ Whether or not begin frames should be issued over DevToolsProtocol (experimental). ↪
--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-bluetooth-spp-in-serial-api ⊗ Enable serial communication for SPP devices. ↪
--enable-bookmark-undo ⊗ Enables the multi-level undo system for bookmarks. ↪
--enable-caret-browsing ⊗ Enable native caret browsing, in which a moveable cursor is placed on a web page, allowing a user to select and navigate through non-editable text using just a keyboard. See https://crbug.com/977390 for links to i2i. ↪
--enable-cast-receiver ⊗ Enables the Cast Receiver. ↪
--enable-cast-streaming-receiver ⊗ No description ↪
--enable-chrome-browser-cloud-management ⊗ Enables Chrome Browser Cloud Management flow. ↪
--enable-chrome-tracing-computation ⊗ Enable the tracing service. ↪
--enable-cloud-print-proxy ⊗ This applies only when the process type is "service". Enables the Cloud Print Proxy component within the service process. ↪
--enable-consumer-kiosk ⊗ Enables consumer kiosk mode for Chrome OS. ↪
--enable-crash-reporter ⊗ Enable crash reporter for headless. ↪
--enable-crash-reporter-for-testing[14] ⊗ Used for turning on Breakpad crash reporting in a debug environment where crash reporting is typically compiled but disabled. ↪
--enable-cros-action-recorder ⊗ If set, the CrOSActionRecorder will be enabled which will record some user actions on device. ↪
--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-savings-promo ⊗ Enables a 1 MB savings promo for the data reduction proxy. ↪
--enable-dawn-backend-validation ⊗ Enable validation layers in Dawn backends. ↪
--enable-de-jelly ⊗ Experimental de-jelly support. ↪
--enable-defer-all-script-without-optimization-hints ⊗ Allows defer script preview on all https pages even if optimization hints are missing for that webpage. ↪
--enable-device-discovery-notifications ⊗ Enable device discovery notifications. ↪
--enable-dim-shelf ⊗ Enables Shelf Dimming for ChromeOS. ↪
--enable-direct-composition-video-overlays ⊗ Enables using DirectComposition video overlays, even if hardware overlays aren't supported. ↪
--enable-distillability-service ⊗ No description ↪
--enable-dom-distiller ⊗ No description ↪
--enable-domain-reliability ⊗ Enables Domain Reliability Monitoring. ↪
--enable-encryption-migration ⊗ Enables encryption migration for user's cryptohome to run latest Arc. ↪
--enable-encryption-selection[9] ⊗ Enables the feature of allowing the user to disable the backend via a setting. ↪
--enable-enterprise-policy ⊗ Enables enterprise policy support. ↪
--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-autoclick ⊗ Shows additional automatic click features that haven't launched yet. ↪
--enable-experimental-accessibility-chromevox-annotations ⊗ Enables annotations feature that hasn't launched yet. ↪
--enable-experimental-accessibility-chromevox-tutorial ⊗ Enables interactive tutorial for ChromeVox. ↪
--enable-experimental-accessibility-labels-debugging ⊗ Enables support for visually debugging the accessibility labels feature, which provides images descriptions for screen reader users. ↪
--enable-experimental-accessibility-language-detection ⊗ Enables language detection on in-page text content which is then exposed to assistive technology such as screen readers. ↪
--enable-experimental-accessibility-language-detection-dynamic ⊗ Enables language detection for dynamic content which is then exposed to assistive technology such as screen readers. ↪
--enable-experimental-accessibility-switch-access ⊗ Shows setting to enable Switch Access before it has launched. ↪
--enable-experimental-accessibility-switch-access-text ⊗ Enables in progress Switch Access features for text input. ↪
--enable-experimental-extension-apis ⊗ Enables extension APIs that are in development. ↪
--enable-experimental-ui-automation[1] ⊗ Enables UI Automation platform API in addition to the IAccessible API. ↪
--enable-experimental-web-platform-features ⊗ Enables Web Platform features that are in development. ↪
--enable-experimental-webassembly-features ⊗ Enables experimental WebAssembly features. ↪
--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-features ⊗ Comma-separated list of feature names to enable. See also kDisableFeatures. ↪
--enable-font-antialiasing ⊗ Enable font antialiasing for pixel tests. ↪
--enable-ftp ⊗ Enables support for FTP URLs. See https://crbug.com/333943. ↪
--enable-gamepad-button-axis-events ⊗ Enables gamepadbuttondown, gamepadbuttonup, gamepadbuttonchange, gamepadaxismove non-standard gamepad events. ↪
--enable-gpu-benchmarking ⊗ Enables the GPU benchmarking extension ↪
--enable-gpu-blocked-time ⊗ Enables measures of how long GPU Main Thread was blocked between SwapBuffers ↪
--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. ↪
--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-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-houdini ⊗ Enables the use of 32-bit Houdini library for ARM binary translation. ↪
--enable-houdini64 ⊗ Enables the use of 64-bit Houdini library for ARM binary translation. ↪
--enable-hung-renderer-infobar[7] ⊗ Enables a hung renderer InfoBar allowing the user to close or wait on unresponsive web content. ↪
--enable-idle-tracing[7] ⊗ Adds additional thread idle time information into the trace event output. ↪
--enable-input ⊗ Enables input event handling by the window manager. ↪
--enable-ios-handoff-to-other-devices ⊗ Enables support for Handoff from Chrome on iOS to the default browser of other Apple devices. ↪
--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-logging ⊗ Controls whether console logging is enabled and optionally configures where it's routed. ↪
--enable-longpress-drag-selection[7] ⊗ 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-main-frame-before-activation ⊗ Enables sending the next BeginMainFrame before the previous commit activates. ↪
--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 CPU-mappable GPU memory buffer support on Linux. ↪
--enable-natural-scroll-default ⊗ Enables natural scroll by default. ↪
--enable-ndk-translation ⊗ Enables the use of 32-bit NDK translation library for ARM binary translation. ↪
--enable-ndk-translation64 ⊗ Enables the use of 64-bit NDK translation library for ARM binary translation. ↪
--enable-net-benchmarking ⊗ Enables the network-related benchmarking extensions. ↪
--enable-new-app-menu-icon[15] ⊗ No description ↪
--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-oop-rasterization ⊗ Turns on out of process raster for the renderer whenever gpu raster would have been used. Enables the chromium_raster_transport extension. ↪
--enable-pepper-testing ⊗ Enables the testing interface for PPAPI. ↪
--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-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-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-protected-video-buffers[16] ⊗ Enables protected buffers for encrypted video streams. ↪
--enable-reached-code-profiler[7] ⊗ Enables the reached code profiler that samples all threads in all processes to determine which functions are almost never executed. ↪
--enable-reporting[17] ⊗ Enables metrics and crash reporting. ↪
--enable-request-tablet-site ⊗ Enables request of tablet site (via user agent override). ↪
--enable-rgba-4444-textures ⊗ Enables RGBA_4444 textures. ↪
--enable-sandbox-logging[6] ⊗ Cause the OS X sandbox write to syslog every time an access to a resource is denied by the sandbox. ↪
--enable-service-binary-launcher ⊗ If true the ServiceProcessLauncher is used to launch services. This allows for service binaries to be loaded rather than using the utility process. This is only useful for tests. ↪
--enable-service-manager-tracing ⊗ Enable the tracing service. ↪
--enable-sgi-video-sync ⊗ Enable use of the SGI_video_sync extension, which can have driver/sandbox/window manager compatibility issues. ↪
--enable-skia-benchmarking ⊗ Enables the Skia benchmarking extension. ↪
--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[17] ⊗ 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-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-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-swap-buffers-with-bounds ⊗ Enables SwapBuffersWithBounds if it is supported. ↪
--enable-switch-access-point-scanning ⊗ Enables Switch Access point scanning. This feature hasn't launched yet. ↪
--enable-tablet-form-factor ⊗ Enables tablet form factor. ↪
--enable-third-party-keyboard-workaround ⊗ Enables the 3rd party keyboard omnibox workaround. ↪
--enable-thread-instruction-count[10] ⊗ Controls whether or not retired instruction counts are surfaced for threads in trace events on Linux. This flag requires the BPF sandbox to be disabled. ↪
--enable-threaded-compositing ⊗ Enabled threaded compositing for web tests. ↪
--enable-threaded-texture-mailboxes ⊗ Simulates shared textures when share groups are not available. Not available everywhere. ↪
--enable-top-drag-gesture ⊗ Whether to enable detection and dispatch of a 'drag from the top' gesture. ↪
--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-touchpad-three-finger-click ⊗ Enables touchpad three-finger-click as middle button. ↪
--enable-touchview ⊗ If the flag is present, it indicates 1) the device has accelerometer and 2) the device is a convertible device or a tablet device (thus is capable of entering tablet mode). If this flag is not set, then the device is not capable of entering tablet mode. For example, Samus has accelerometer, but is not a covertible or tablet, thus doesn't have this flag set, thus can't enter tablet 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-ui-devtools ⊗ Enables DevTools server for UI (mus, ash, etc). Value should be the port the server is started on. Default port is 9223. ↪
--enable-unsafe-webgpu ⊗ No description ↪
--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-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-viz-devtools ⊗ Enables inspecting Viz Display Compositor objects. Default port is 9229. For local inspection use chrome://inspect#other ↪
--enable-viz-hit-test-debug ⊗ Enables hit-test debug logging. ↪
--enable-vtune-support ⊗ Enable the Vtune profiler support. ↪
--enable-wayland-ime ⊗ Try to enable wayland input method editor. ↪
--enable-wayland-server ⊗ Enable the wayland server. ↪
--enable-web-auth-deprecated-mojo-testing-api ⊗ Enable the WebAuthn Mojo Testing API. This is a way to interact with the virtual authenticator environment through a mojo interface and is supported only to run web-platform-tests on content shell. Removal of this deprecated API is blocked on crbug.com/937369. ↪
--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-webgl2-compute-context ⊗ Enable WebGL2 Compute context. ↪
--enable-webrtc-srtp-aes-gcm ⊗ 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-srtp-encrypted-headers ⊗ Enables negotiation of encrypted header extensions from RFC 6904 for SRTP in WebRTC. See https://tools.ietf.org/html/rfc6904 for further information. TODO(https://crbug.com/954201): Remove this. ↪
--enable-webrtc-stun-origin ⊗ Enables Origin header in Stun messages for WebRTC. ↪
--enable-widevine ⊗ No description ↪
--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. ↪
--enabled ⊗ No description ↪
--encode-binary ⊗ Encode binary web test results (images, audio) using base64. ↪
--enforce ⊗ No description ↪
--enforce-gl-minimums ⊗ Enforce GL minimums. ↪
--enforce-vulkan-protected-memory ⊗ Forces to use protected memory for vulkan compositing. ↪
--enforce-webrtc-ip-permission-check ⊗ Enforce IP Permission check. TODO(guoweis): Remove this once the feature is not under finch and becomes the default. ↪
--enforce_strict ⊗ No description ↪
--ensure-forced-color-profile ⊗ Crash the browser at startup if the display's color profile does not match the forced color profile. This is necessary on Mac because Chrome's pixel output is always subject to the color conversion performed by the operating system. On all other platforms, this is a no-op. ↪
--enterprise-disable-arc ⊗ Disables ARC for managed accounts. ↪
--enterprise-enable-forced-re-enrollment ⊗ Whether to enable forced enterprise re-enrollment. ↪
--enterprise-enable-initial-enrollment ⊗ Whether to enable initial enterprise enrollment. ↪
--enterprise-enable-psm ⊗ Whether to enable private set membership queries. ↪
--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. ↪
--evaluate-type ⊗ No description ↪
--evaluate_capability ⊗ No description ↪
--explicitly-allowed-ports ⊗ Allows overriding the list of restricted ports by passing a comma-separated list of port numbers. ↪
--export-tagged-pdf ⊗ If enabled, generate a tagged (accessible) file when printing to PDF. The plan is for this to go away once tagged PDFs become the default. See https://crbug.com/607777 ↪
--expose-internals-for-testing ⊗ Exposes the window.internals object to JavaScript for interactive development and debugging of web 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. ↪
--extension-updater-test-request ⊗ No description ↪
--extensions-install-verification ⊗ Turns on extension install verification if it would not otherwise have been turned on. ↪
--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. ↪
--external-metrics-collection-interval ⊗ Interval in seconds between Chrome reading external metrics from /var/lib/metrics/uma-events. ↪
--extra-search-query-params ⊗ Additional query params to insert in the search and instant URLs. Useful for testing. ↪
--fail-audio-stream-creation ⊗ Causes the AudioManager to fail creating audio streams. Used when testing various failure cases. ↪
--fake-drivefs-launcher-chroot-path ⊗ An absolute path to the chroot hosting the DriveFS to use. This is only used when running on Linux, i.e. when IsRunningOnChromeOS() returns false. ↪
--fake-drivefs-launcher-socket-path ⊗ A relative path to socket to communicat with the fake DriveFS launcher within the chroot specified by kFakeDriveFsLauncherChrootPath. This is only used when running on Linux, i.e. when IsRunningOnChromeOS() returns false. ↪
--fake-oobe-configuration-file ⊗ Path to a OOBE configuration JSON file (used by FakeOobeConfigurationClient). ↪
--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". This works for official builds as well. ↪
--false ⊗ Value indicating whether flag from command line switch is false. ↪
--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. ↪
--file-url-path-alias ⊗ Define an alias root directory which is replaced with the replacement string in file URLs. The format is "/alias=/replacement", which would turn file:///alias/some/path.html into file:///replacement/some/path.html. ↪
--file_chooser ⊗ No description ↪
--finch-seed-expiration-age ⊗ The length of time in seconds that an app's copy of the variations seed should be considered fresh. If an app's seed is older than this, a new seed will be requested from WebView's IVariationsSeedServer. ↪
--finch-seed-ignore-pending-download ⊗ Forces WebView's service to always schedule a new variations seed download job, even if one is already pending. ↪
--finch-seed-min-download-period ⊗ The minimum amount of time in seconds that WebView's service will wait between two variations seed downloads from the variations server. ↪
--finch-seed-min-update-period ⊗ The minimum amount of time in seconds that the embedded WebView implementation will wait between two requests to WebView's service for a new variations seed. ↪
--fingerprint-sensor-location ⊗ Fingerprint sensor location indicates the physical sensor's location. The value is a string with possible values: "power-button-top-left", "keyboard-bottom-left", keyboard-bottom-right", "keyboard-top-right". ↪
--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. ↪
--font-render-hinting ⊗ Sets font render hinting when running headless, affects Skia rendering and whether glyph subpixel positioning is enabled. Possible values: none|slight|medium|full|max. Default: full. ↪
--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-caption-style ⊗ Forces the caption style for WebVTT captions. ↪
--force-cert-verifier-builtin ⊗ Forces Chrome to use CertVerifyProcBuiltin for verification of server certificates, ignoring the status of net::features::kCertVerifierBuiltinFeature. ↪
--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-dark-mode ⊗ Forces dark mode in UI for platforms that support it. ↪
--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-devtools-available ⊗ Forces developer tools availability, no matter what values the enterprise policies DeveloperToolsDisabled and DeveloperToolsAvailability are set to. ↪
--force-disable-variation-ids ⊗ Forces to remove Chrome Variation Ids from being 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-effective-connection-type  Forces Network Quality Estimator (NQE) to return a specific effective connection type. ↪
--force-empty-corb-allowlist  Whether |extensions_features::kBypassCorbAllowlistParamName| should always be empty (i.e. ignoring hardcoded allowlist and the field trial param). This switch is useful for manually verifying if an extension would continue to work fine after removing it from the allowlist. ↪
--force-enable-lite-pages  Force enable all available previews on every page load. ↪
--force-enable-metrics-reporting  Forces metrics reporting to be enabled. ↪
--force-enable-night-mode[7]  Forces the night mode 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-mem-discardable-limit-mb  Sets the maximum GPU memory to use for discardable caches. ↪
--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. ↪

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