Alexander A Manaeff -

 
 

Google Chrome. Список всех ключей запуска

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Модератор: UncleFather

Google Chrome. Список всех ключей запуска

Сообщение UncleFather » 07 апр 2015 16:24, Вт




Google Chrome. Список всех ключей запуска

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 2015-04-07.

Ключи запускаОписание
--0Value of the --profiler-timing flag that will disable timing information for chrome://profiler.
--aggressiveNo description
--aggressive-cache-discardNo description
--aggressive-tab-discardNo description
--allow-autofill-sync-credentialForce the password manager to allow sync credentials to be autofilled.
--allow-cross-origin-auth-promptAllows third-party content included on a page to prompt for a HTTP basic auth username/password pair.
Изображение
--allow-external-pagesAllow access to external pages during layout tests.
--allow-file-accessOn ChromeOS, file:// access is disabled except for certain whitelisted directories. This switch re-enables file:// for testing.
--allow-file-access-from-filesBy default, file:// URIs cannot read other file:// URIs. This is an override for developers who need the old behavior for testing.
--allow-http-background-pageAllows non-https URL for background_page for hosted apps.
--allow-http-screen-captureAllow non-secure origins to use the screen capture API and the desktopCapture extension API.
--allow-insecure-localhostEnables TLS/SSL errors on localhost to be ignored (no interstitial, no blocking of requests).
--allow-legacy-extension-manifestsAllows the browser to load extensions that lack a modern manifest when that would otherwise be forbidden.
--allow-loopback-in-peer-connectionAllows loopback interface to be added in network list for peer connection.
--allow-nacl-crxfs-api[1]Specifies comma-separated list of extension ids or hosts to grant access to CRX file system APIs.
--allow-nacl-file-handle-api[1]Specifies comma-separated list of extension ids or hosts to grant access to file handle APIs.
--allow-nacl-socket-api[1]Specifies comma-separated list of extension ids or hosts to grant access to TCP/UDP socket APIs.
--allow-no-sandbox-jobEnables 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-pluginsDon't block outdated plugins.
--allow-ra-in-dev-modeAllows 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-contentBy 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-debuggingAllows debugging of sandboxed processes (see zygote_main_linux.cc).
--alsa-input-device[2]The Alsa device to use when opening an audio input stream.
--alsa-output-device[2]The Alsa device to use when opening an audio stream.
--also-emit-success-logsAlso emit full event trace logs for successful tests.
--alternate-protocol-probability-thresholdSpecifies the threshold to be used when determining of an Alternate-Protocol advertisement will be honored. If the advertised probability is larger than the threshold, then it will be honored.
--always-authorize-pluginsPrevents Chrome from requiring authorization to run certain widely installed but less commonly used plugins.
--appSpecifies that the associated value should be launched in "application" mode.
--app-idSpecifies that the extension-app with the specified id should be launched according to its configuration.
--app-mode-auth-codeValue of GAIA auth code for --force-app-mode.
--app-mode-oauth-tokenValue of OAuth2 refresh token for --force-app-mode.
--app-mode-oem-manifestPath for app's OEM manifest file.
--app-shell-host-window-sizeSize for the host window to create (i.e. "800x600").
--app-shell-install-crxID of an extension CRX to be downloaded from the web store.
--app-shell-preferred-networkSSID of the preferred WiFi network.
--app-shell-refresh-tokenRefresh token for identity API calls for the current user. Used for testing.
--app-shell-userUser email address of the current user.
--appleNo description
--apps-checkout-urlOverrides the apps checkout URL, which is used to determine when to expose some private APIs.
--apps-gallery-download-urlThe URL that the webstore APIs download extensions from. Note: the URL must contain one '%s' for the extension ID.
--apps-gallery-update-urlThe update url used by gallery/webstore extensions.
--apps-gallery-urlThe URL to use for the gallery link in the app launcher.
--apps-keep-chrome-alive-in-tests[3]Prevents Chrome from quitting when Chrome Apps are open.
--args-forSpecify configuration arguments for a Mojo application URL. For example: --args-for='mojo:wget http://www.google.com'
--artifacts-dirScreenshot testing: specifies the directoru where artifacts will be stored.
--ash-animate-from-boot-splash-screenEnables 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-browsertests[4]Force browser tests to run in Ash/Metro on Windows 8.
--ash-constrain-pointer-to-rootConstrains the pointer movement within a root window on desktop.
--ash-copy-host-background-at-bootCopies 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-shortcutsEnable keyboard shortcuts useful for debugging.
--ash-disable-lock-layout-managerDisables LockLayoutManager used for LockScreenContainer, return back to WorkspaceLayoutManager.
--ash-disable-maximize-mode-window-backdropDisables the window backdrops normally used in maximize mode (TouchView).
--ash-disable-screen-orientation-lock[5]Disable the support for WebContents to lock the screen orientation.
--ash-disable-touch-exploration-modeDisable 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-fullscreen-app-list[5]Enables fullscreen app list if Ash is in maximize mode.
--ash-enable-magnifier-key-scroller[5]Enables key bindings to scroll magnified screen.
--ash-enable-mirrored-screenEnables mirrored screen.
--ash-enable-power-button-quick-lockEnables quick, non-cancellable locking of the screen when in maximize mode.
--ash-enable-software-mirroringEnables software based mirroring.
--ash-enable-system-soundsWhen this flag is set, system sounds will be played whether the ChromeVox is enabled or not.
--ash-enable-touch-view-testingEnables touch view testing. TODO(skuhne): Remove TOGGLE_TOUCH_VIEW_TESTING accelerator once this flag is removed.
--ash-force-desktop[4]Force Ash to open its root window on the desktop, even on Windows 8 where it would normally end up in metro.
--ash-hide-notifications-for-factoryHides notifications that are irrelevant to Chrome OS device factory testing, such as battery level updates.
--ash-host-window-boundsSets 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.
--ash-screen-rotation-animationSpecifies the screen rotation animation to use. Possible values are: "partial-rotation", "partial-rotation-slow", "full-rotation", and "full-rotation-slow". See ash/rotator/screen_rotation_animator.cc for more details.
--ash-secondary-display-layoutSpecifies 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)
--ash-touch-hudEnables the heads-up display for tracking touch points.
--ash-use-first-display-as-internalUses the 1st display in --ash-host-window-bounds as internal display. This is for debugging on linux desktop.
--ash-webui-initWhen wallpaper boot animation is not disabled this switch is used to override OOBE/sign in WebUI init type. Possible values: parallel|postpone. Default: parallel.
--audio-buffer-sizeAllow users to specify a custom buffer size for debugging purpose.
--audio-modem-dump-tokens-to-dirDirectory to dump encoded tokens to, for debugging. If empty (the default), tokens are not dumped. If invalid (not a writable directory), Chrome will crash!
--audio-modem-enable-audible-broadcastAllow broadcast of audible audio tokens. Defaults to true.
--audio-modem-enable-inaudible-broadcastAllow broadcast of inaudible audio tokens. Defaults to true.
--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-pathEnables overriding the path for the default authentication extension.
--autoThe values the kTouchEvents switch may have, as in --touch-events=disabled. auto: enabled at startup when an attached touchscreen is present.
--auto-launch-at-startupA flag that is used to tell Chrome that it was launched automatically at computer startup and not by some user action.
--auto-select-desktop-capture-sourceThis 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.
--blink-platform-log-channelsChoose which logging channels in blink platform to activate. See Logging.cpp in blink's Source/platform for a list of available channels.
--block-cross-site-documentsBlock cross-site documents (i.e., HTML/XML/JSON) from being loaded in subresources when a document is not supposed to read them. This will later allow us to block them from the entire renderer process when site isolation is enabled.
--bootstrapValues for the kExtensionContentVerification flag. See ContentVerifierDelegate::Mode for more explanation.
--browser-subprocess-pathPath to the exe to run for the renderer and plugin subprocesses.
--browser-testTells Content Shell that it's running as a content_browsertest.
--bwsiIndicates that the browser is in "browse without sign-in" (Guest session) mode. Should completely disable extensions, sync and bookmarks.
--bypass-app-banner-engagement-checksThis flag causes the user engagement checks for showing app banners to be bypasses. 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-countThe number of MSAA samples for canvas2D. Requires MSAA support by GPU to have an effect. 0 disables MSAA.
--cc-layer-tree-test-no-timeoutPrevents the layer tree unit tests from timing out.
--cc-rebaseline-pixeltestsMakes pixel tests write their output instead of read it.
--certificate-transparency-logCertificate Transparency: Uses the provided log(s) for checking Signed Certificate Timestamps provided with certificates. The switch's value is: log_description:log_key,log_description:log_key,... where log_description is a textual description of the log. log_key is a Base64'd DER-encoded SubjectPublicKeyInfo of the log's public key. Multiple logs can be specified by repeating description:key pairs, separated by a comma.
--channelThe value of this switch tells the child process which IPC channel the browser expects to use to communicate with it.
--check-cloud-print-connector-policyChecks the cloud print connector policy, informing the service process if the policy is set to disallow the connector, then quits.
--check-for-update-intervalHow often (in seconds) to check for updates. Should only be used for testing purposes.
--check-layout-test-sys-depsCheck whether all system dependencies for running layout tests are met.
--child-processUsed internally by the main process to indicate that a new process should be a child process. Not for user use.
--child-wallpaper-largeDefault wallpaper to use for kids accounts (as paths to trusted, non-user-writable JPEG files).
--child-wallpaper-smallNo description
--ChromeOSMemoryPressureHandlingThe memory pressure thresholds selection which is used to decide whether and when a memory pressure event needs to get fired.
--cipher-suite-blacklistComma-separated list of SSL cipher suites to disable.
--clear-data-reduction-proxy-data-savingsClear data savings on Chrome startup.
--clear-token-serviceClears the token service before using it. This allows simulating the expiration of credentials during testing.
--cloud-devices-urlThe URL of the cloud devices service to use.
--cloud-print-fileTells chrome to display the cloud print dialog and upload the specified file for printing.
--cloud-print-file-typeSpecifies 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-titleUsed with kCloudPrintFile to specify a title for the resulting print job.
--cloud-print-print-ticketUsed with kCloudPrintFile to specify a JSON print ticket for the resulting print job. Defaults to null if unspecified.
--cloud-print-setup-proxySetup cloud print proxy for provided printers. This does not start service or register proxy for autostart.
--cloud-print-urlThe 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-endpointThe 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-zoomEnable 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-succeedsAlways return success when compiling a shader. Linking will still fail.
--component-updaterComma-separated options to troubleshoot the component updater. Only valid for the browser process.
--composite-to-mailboxCauses the compositor to render to textures which are then sent to the parent through the texture mailbox mechanism. Requires --enable-compositor-frame-message.
--connect-to-metro-viewerOn Windows only: requests that Chrome connect to the running Metro viewer process.
--connectivity-check-urlUrl for network connectivity checking. Default is "https://clients3.google.com/generate_204".
--conservativeNo description
--consoleNo description
--consumer-device-management-urlSpecifies the URL of the consumer device management backend.
--content-handlersComma separated list like: text/html,mojo:html_viewer,application/bravo,https://abarth.com/bravo
--content-shell-host-window-sizeSize for the content_shell's host window (i.e. "800x600").
--copresence-serverAddress for calls to the Copresence server (via Apiary). Defaults to https://www.googleapis.com/copresence/v2/copresence.
--copresence-tracing-tokenApiary tracing token for calls to the Copresence server.
--crash-dumps-dirThe directory breakpad should store minidumps in.
--crash-on-failureWhen specified to "enable-leak-detection" command-line option, causes the leak detector to cause immediate crash when found leak.
--crash-on-hang-threadsComma-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-testCauses the browser process to crash on startup.
--create-browser-on-startup-for-testsSome 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)
--cryptauth-http-hostOverrides the default URL for Google APIs (https://www.googleapis.com) used by CryptAuth.
--custom-launcher-pageSpecifies the chrome-extension:// URL for the contents of an additional page added to the experimental app launcher.
--data-pathMakes Content Shell use the given path for its data directory.
--data-reduction-proxy-alternativeThe origin of an alternative data reduction proxy.
--data-reduction-proxy-alternative-fallbackThe origin of an alternative data reduction proxy fallback.
--data-reduction-proxy-experimentThe 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-secure-proxy-check-urlSets 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-warmup-urlSets a URL to fetch to warm up the data reduction proxy on startup and network changes.
--data-reduction-ssl-proxyThe origin of the data reduction SSL proxy.
--dbus-stubForces the stub implementation of dbus clients.
--dbus-unstub-clientsComma-spearated list of dbus clients that should be unstubbed. See chromeos/dbus/dbus_client_bundle.cc for the names of the dbus clients.
--debug-enable-frame-toggleEnables a frame context menu item that toggles the frame in and out of glass mode (Windows Vista and up only).
--debug-packed-appsAdds debugging entries such as Inspect Element to context menus of packed apps.
--debug-plugin-loadingDumps extra logging about plugin loading to the log file.
--debug-print[6]Enables support to debug printing subsystem.
--default-tile-heightNo description
--default-tile-widthSets the tile size used by composited layers.
--default-wallpaper-is-oemIndicates that the wallpaper images specified by kAshDefaultWallpaper{Large,Small} are OEM-specific (i.e. they are not downloadable from Google).
--default-wallpaper-largeDefault wallpaper to use (as paths to trusted, non-user-writable JPEG files).
--default-wallpaper-smallNo description
--deleteNo description
--derelict-detection-timeoutTime before a machine at OOBE is considered derelict.
--derelict-idle-timeoutTime before a derelict machines starts demo mode.
--desktopNo description
--device-management-urlSpecifies the URL at which to fetch configuration policy from the device management backend.
--device-scale-factor[4]Device scale factor passed to certain processes like renderers, etc.
--diagnosticsTriggers a plethora of diagnostic modes.
--diagnostics-formatSets the output format for diagnostic modes enabled by diagnostics flag.
--diagnostics-recoveryTells the diagnostics mode to do the requested recovery step(s).
--disableNo description
--disable-3d-apisDisables 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-about-in-settingsWhen kEnableSettingsWindow is used, About is shown as an overlay in Settings instead of as a separate page, unless this flag is specified.
--disable-accelerated-2d-canvasDisable gpu-accelerated 2d canvas.
--disable-accelerated-jpeg-decodingDisable 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-video-decodeDisables hardware acceleration of video decode, where available.
--disable-account-consistencyDisables consistent identity features.
--disable-affiliation-based-matchingDisable affiliation based matching, so that credentials stored for an Android application will not be considered matches for, and will not be filled into corresponding Web applications.
--disable-answers-in-suggestDisables the experimental Answers in Suggest feature.
--disable-app-list-dismiss-on-blurIf 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-async-dnsDisables the experimental asynchronous DNS client.
--disable-background-networkingDisable 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-backing-store-limitDisable limits on the number of backing stores. Can prevent blinking for users with many windows/tabs and lots of memory.
--disable-blink-featuresDisable one or more Blink runtime-enabled features. Use names from RuntimeEnabledFeatures.in, separated by commas. Applied after kEnableBlinkFeatures, and after other flags that change these features.
--disable-blink-schedulerDisable the Blink Scheduler. Ensures there's no reordering of blink tasks. This switch is intended only for performance tests.
--disable-boot-animationDisables wallpaper boot animation (except of OOBE case).
--disable-breakpadDisables the crash reporting.
--disable-bundled-ppapi-flashDisables the bundled PPAPI version of Flash.
--disable-cacheForce dynamically loaded apps / services to be loaded irrespective of cache instructions.
--disable-canvas-aaDisable antialiasing on 2d canvas.
--disable-captive-portal-bypass-proxyDisable bypass proxy for captive portal authorization.
--disable-cast[7]Disables support for playing videos on Chromecast devices.
--disable-cast-streaming-hw-encodingDisable hardware encoding support for Cast Streaming.
--disable-child-account-detectionDisables detection of child accounts.
--disable-click-delay[7]Disable the click delay by sending click events during double tap.
--disable-client-side-phishing-detectionDisables 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-importDisables cloud backup feature.
--disable-component-cloud-policyDisables fetching and storing cloud policy for components.
--disable-component-extensions-with-background-pagesDisable default component extensions with background pages - useful for performance tests where these pages may interfere with perf results.
--disable-component-updateNo description
--disable-composited-antialiasingDisables layer-edge anti-aliasing in the compositor.
--disable-confirmationNo description
--disable-contextual-search[7]Disables Contextual Search.
Изображение
--disable-core-animation-plugins[8]Disables support for Core Animation plugins. This is triggered when accelerated compositing is disabled. See http://crbug.com/122430.
--disable-credit-card-scanDisables using device's camera to scan a new credit card when filling out a credit card form.
--disable-ct-for-evDisable the requirement of Certificate Transparency presence for EV certificate. This flag only affects the EV indicator.
--disable-d3d11Disables use of D3D11.
--disable-databasesDisables HTML5 DB support.
--disable-default-appsDisables installation of default apps on first run. This is used during automated testing.
--disable-delegated-rendererDisables delegated renderer.
--disable-demo-modeDisables the ChromeOS demo.
--disable-device-disablingIf this switch is set, the device cannot be remotely disabled by its owner.
--disable-device-discovery-notificationsDisables device discovery notifications.
--disable-dinosaur-easter-eggDisables the dinosaur easter egg on the offline interstitial.
--disable-direct-npapi-requestsHandles URL requests by NPAPI plugins through the renderer.
--disable-direct-write[4]Disables the DirectWrite font rendering system on windows.
--disable-directwrite-for-ui[4]Disables DirectWrite font rendering for general UI elements.
--disable-display-color-calibration[5]No description
--disable-display-list-2d-canvasNo description
--disable-distance-field-textDisables distance field text.
--disable-domain-reliabilityDisables Domain Reliability Monitoring.
--disable-drive-apps-in-app-listIf set, Drive apps will not be shown side-by-side with Chrome apps.
--disable-drop-sync-credentialDisable dropping the credential used to sync passwords.
--disable-dwm-compositionDisables use of DWM composition for top level windows.
--disable-easy-unlockDisable Easy unlock.
--disable-encrypted-mediaDisables (unprefixed) Encrypted Media Extensions.
--disable-experimental-app-listNo description
--disable-extensionsDisable extensions.
--disable-extensions-file-access-checkDisable 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-throttlingDisable the net::URLRequestThrottlerManager functionality for requests originating from extensions.
--disable-file-systemDisable FileSystem API.
--disable-fill-on-account-selectDisables the experiment for the password manager to only fill on account selection, rather than autofilling on page load.
--disable-flash-3dDisable 3D inside of flapper.
--disable-flash-stage3dDisable Stage3D inside of flapper.
--disable-gaia-servicesDisable GAIA services such as enrollment and OAuth session restore. Used by 'fake' telemetry login.
--disable-gesture-requirement-for-media-playback[7]Disable user gesture requirement for media playback.
--disable-gl-drawing-for-testsDisables GL drawing operations which produce pixel output. With this the GL output will not be correct but tests will run faster.
--disable-gl-error-limitDisable the GL error log limit.
--disable-glsl-translatorDisable the GLSL translator.
--disable-gpuDisables GPU hardware acceleration. If software renderer is not in place, then the GPU process won't launch.
--disable-gpu-compositingPrevent the compositor from using its GPU implementation.
--disable-gpu-driver-bug-workaroundsDisable workarounds for various GPU driver bugs.
--disable-gpu-early-initDisable proactive early init of GPU process.
--disable-gpu-program-cacheTurn off gpu program caching
--disable-gpu-rasterizationDisable GPU rasterization, i.e. rasterize on the CPU only. Overrides the kEnableGpuRasterization and kForceGpuRasterization flags.
--disable-gpu-sandboxDisable the GPU process sandbox.
--disable-gpu-shader-disk-cacheDisables the GPU shader on disk cache.
--disable-gpu-vsyncStop the GPU from synchronizing on the vsync before presenting.
--disable-gpu-watchdogDisable the thread that crashes the GPU process if it stops responding to messages.
--disable-hang-monitorSuppresses 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-oobeDisable HID-detection OOBE screen.
--disable-hide-inactive-stacked-tab-close-buttonsDisable hiding the close buttons of inactive tabs when the tabstrip is in stacked mode.
--disable-histogram-customizerDisable the RenderThread's HistogramCustomizer.
--disable-hosted-app-shim-creation[3]Disables app shim creation for hosted apps on Mac.
--disable-icon-ntpDisables large icons on the New Tab page.
--disable-impl-side-paintingPaint content on the main thread instead of the compositor thread.
--disable-infobar-for-protected-media-identifier[7]Disables the infobar popup for accessing protected media identifier.
--disable-infobarsPrevent infobars from appearing.
--disable-input-viewNo description
--disable-ipv4No description
--disable-ipv6No description
--disable-javaPrevent Java from running.
--disable-javascript-harmony-shippingDisable latest shipping ECMAScript 6 features.
--disable-kill-after-bad-ipcDon'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-textDisables LCD text.
--disable-legacy-window[4]Disable the Legacy Window which corresponds to the size of the WebContents.
--disable-local-storageDisable LocalStorage.
--disable-loggingForce logging to be disabled. Logging is enabled by default in debug builds.
--disable-login-animationsAvoid doing expensive animations upon login.
--disable-login-scroll-into-viewDisable login/lock UI (user pods) scrolling into view on JS side when virtual keyboard is shown.
--disable-low-end-device-modeForce disabling of low-end device mode when set.
--disable-low-res-tilingWhen 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-main-frame-before-activationDisables sending the next BeginMainFrame before the previous commit activates. Overrides the kEnableMainFrameBeforeActivation flag.
--disable-manager-for-sync-signinDisable both saving and filling for the sync signin form.
--disable-media-sourceDisables Media Source API (i.e., the MediaSource object).
--disable-memory-pressure-chromeosDisable memory pressure checks on ChromeOS.
--disable-method-checkNo description
--disable-minimize-on-second-launcher-item-clickDisable the behavior that the second click on a launcher item (the click when the item is already active) minimizes the item.
--disable-mojo-channelDisale ChannelMojo usage regardless of the platform or the process type.
--disable-namespace-sandboxDisables usage of the namespace sandbox.
--disable-network-portal-notificationDisables notifications about captive portals in session.
--disable-new-avatar-menuDisables the new avatar menu, forcing the top-corner avatar button.
--disable-new-bookmark-appsDisables the new bookmark app system.
--disable-new-channel-switcher-uiDisable new channel switcher UI.
--disable-new-kiosk-uiDisables new Kiosk UI when kiosk apps are represented as user pods.
--disable-new-md-input-viewIf this switch is set, the input view keyboard will disable materia design.
--disable-new-offline-error-pageDisables the new offline error page generated by NetErrorHelper for ChromeOS and instead uses the old error page generated by OfflineResourceThrottle.
--disable-new-profile-managementDisables new profile management system, including new profile chooser UI.
--disable-new-zip-unpackerDisables the new File System Provider API based ZIP unpacker.
--disable-notificationsDisables the Web Notification and the Push APIs.
--disable-ntp-other-sessions-menuDisables the menu on the NTP for accessing sessions from other devices.
--disable-offer-store-unmasked-wallet-cardsForce 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-office-editing-component-extensionDisable 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-reloadDisable auto-reload of error pages if offline.
--disable-offline-auto-reload-visible-onlyDisable only auto-reloading error pages when the tab is visible.
--disable-one-copyDisable rasterizer that writes directly to GPU memory. Overrides the kEnableOneCopy flag.
--disable-out-of-process-pdfDisable the out of process PDF plugin.
--disable-overlay-scrollbarDisables overlay scrollbars on Aura or Linux. Does nothing on Mac.
--disable-overscroll-edge-effect[7]Disable overscroll edge effects like those found in Android views.
--disable-panel-fitting[5]Disables panel fitting (used for mirror mode).
--disable-password-generationDisables password generation when we detect that the user is going through account creation.
--disable-password-linkDisable the link in the password manager settings page that points to account central.
--disable-password-manager-reauthenticationDisable the setting to prompt the user for their OS account password before revealing plaintext passwords in the password manager.
--disable-pdf-material-uiDisable the new material UI - requires out of process PDF plugin.
--disable-pepper-3dDisable Pepper3D.
--disable-permissions-bubblesDon't use bubbles for content permissions requests instead of infobars.
--disable-physical-keyboard-autocorrectIf this switch is set, the options for suggestions as typing on physical keyboard will be disabled.
--disable-pinchDisables compositor-accelerated touch-screen pinch gestures.
--disable-pinch-virtual-viewportNo description
--disable-plugin-power-saver[1]Disables forcing on the experimental Plugin Power Saver feature.
--disable-plugins-discoveryDisable discovering third-party plugins. Effectively loading only ones shipped with the browser plus third-party ones as specified by --extra-plugin-dir and --load-plugin switches.
--disable-pnacl-crash-throttlingDisables crash throttling for Portable Native Client.
--disable-policy-key-verificationDisables the verification of policy signing keys. TODO(atwilson): Remove this once all test servers have been updated to produce verification signatures.
--disable-popup-blockingDisable pop-up blocking.
--disable-preconnectDisable speculative TCP/IP preconnection.
--disable-prefer-compositing-to-lcd-textDisable the creation of compositing layers when it would prevent LCD text.
--disable-prefixed-encrypted-mediaDisables prefixed Encrypted Media API (e.g. webkitGenerateKeyRequest()).
--disable-prerender-local-predictorDisable prerendering based on local browsing history.
--disable-print-previewDisables print preview (For testing, and for users who don't like us. :[ )
--disable-prompt-on-repostNormally 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-quicDisables support for the QUIC protocol.
--disable-quic-pacingDisable use of pacing of QUIC packets. This only has an effect if QUIC protocol is enabled.
--disable-quic-port-selectionDisable use of Chromium's port selection for the ephemeral port via bind(). This only has an effect if QUIC protocol is enabled.
--disable-reading-from-canvasTaints all <canvas> elements, regardless of origin.
--disable-remote-core-animation[8]Enable use of cross-process CALayers to display content directly from the GPU process on Mac.
--disable-remote-fontsDisables remote web font support. SVG font should always work whether this option is specified or not.
--disable-renderer-accessibilityTurns off the accessibility in the renderer.
--disable-roboto-font-ui[5]Disables Roboto as UI font (instead of Noto Sans) experiment in both native and web UI.
--disable-rollback-optionDisables rollback option on reset screen.
--disable-save-password-bubblePrevents the save password bubble from being enabled.
--disable-screen-orientation-lock[7]Disable the locking feature of the screen orientation API.
--disable-sdch-persistencePrevents SDCH persistence from being used.
--disable-seccomp-filter-sandboxDisable the seccomp filter sandbox (seccomp-bpf) (Linux only).
--disable-session-crashed-bubbleDisables using bubbles for session restore request.
--disable-settings-windowNo description
--disable-setuid-sandboxDisable the setuid sandbox (Linux only).
--disable-shader-name-hashingTurn off user-defined name hashing in shaders.
--disable-shared-workersDisable shared workers.
--disable-signin-scoped-device-idDisable sending signin scoped device id to LSO with refresh token request.
--disable-single-click-autofillThe "disable" flag for kEnableSingleClickAutofill.
--disable-single-thread-proxy-schedulerFor tests, disable single thread scheduler and only manually composite.
--disable-smart-virtual-keyboardNo description
--disable-smooth-scrollingDisable smooth scrolling for testing.
--disable-software-rasterizerDisables the use of a 3D software rasterizer.
--disable-spdy-proxy-dev-auth-originDisables the origin of the data reduction proxy dev.
--disable-suggestions-serviceDisables the suggestions service.
--disable-supervised-user-blacklistDisables the supervised user host blacklist.
--disable-supervised-user-safesitesDisables SafeSites filtering for supervised users.
--disable-surfacesDisable the use of the new surfaces system to handle compositor delegation.
--disable-svg1domDisables SVG 1.1 DOM.
--disable-syncDisables syncing browser data to a Google Account.
--disable-sync-app-listDisables syncing of the app list independent of extensions.
--disable-sync-backupDisable data backup when user's not signed in.
--disable-sync-rollbackDisable sync rollback.
--disable-sync-typesDisables syncing one or more sync data types that are on by default. See sync/internal_api/public/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-fullscreen-for-testing[3]Forcibly disables Lion-style on newer OSes, to allow developers to test the older, SnowLeopard-style fullscreen.
--disable-text-blobsDisable text blob rendering.
--disable-text-input-focus-managerDisables an experimental focus manager to track text input clients.
--disable-threaded-animationNo description
--disable-threaded-compositingDisable multithreaded GPU compositing of web content.
--disable-threaded-scrollingDisable multithreaded, compositor scrolling of web content.
--disable-timezone-tracking-optionDisable automatic timezone update.
--disable-touch-adjustmentDisables touch adjustment.
--disable-touch-drag-dropDisables touch event based drag and drop.
--disable-touch-editingDisables controls that support touch base text editing.
--disable-touch-feedbackDisables additional visual feedback to touch input.
--disable-translateAllows disabling of translate from the command line to assist with automated browser testing (e.g. Selenium/WebDriver). Normal browser users should disable translate with the preference.
--disable-v8-idle-tasksDisable V8 idle tasks.
--disable-vaapi-accelerated-video-encode[5]Disables VA-API accelerated video encode.
--disable-views-rect-based-targetingSpecifies if a heuristic should be used to determine the most probable target of a gesture, where the touch region is represented by a rectangle.
--disable-virtual-keyboard-overscrollNo description
--disable-voice-inputIf this switch is set, the voice input will be disabled.
--disable-volume-adjust-soundDisables volume adjust sound.
--disable-wake-on-wifiDisables wake on wifi features.
--disable-web-resourcesDisables the backend service for web resources.
--disable-web-securityDon't enforce the same-origin policy. (Used by people testing their sites.)
--disable-webaudioDisable web audio API.
--disable-webglDisable experimental WebGL support.
--disable-webrtc[7]WebRTC is enabled by default on Android.
--disable-webrtc-encryption[9]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[9]Disables HW decode acceleration for WebRTC.
--disable-webrtc-hw-encoding[9]Disables HW encode acceleration for WebRTC.
--disable-webview-signin-flowDisable new GAIA sign-in flow.
--disable-win32k-renderer-lockdown[4]Enables or disables the Win32K process mitigation policy for renderer processes which prevents them from invoking user32 and gdi32 system calls which enter the kernel. This is only supported on Windows 8 and beyond.
--disable-x-tokenNo description
--disable-xss-auditorDisables Blink's XSSAuditor. The XSSAuditor mitigates reflective XSS.
--disable-zero-browsers-open-for-testsSome 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-suggest[7]Disables zero suggest experiment on Dev channel.
--disableddisabled: touch events are disabled.
--disallow-autofill-sync-credentialDisallow autofilling of the sync credential.
--disallow-autofill-sync-credential-for-reauthDisallow autofilling of the sync credential only for transactional reauth pages.
--disk-cache-dirUse a specific disk cache location, rather than one derived from the UserDatadir.
--disk-cache-sizeForces the maximum disk space to be used by the disk cache, in bytes.
--display[10]Which X11 display to connect to. Emulates the GTK+ "--display=" command line argument.
--dns-log-detailsNo description
--dns-prefetch-disableDisables prefetching of DNS information.
--dom-automationSpecifies 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.
--domain-nameNo description
--dont-delete-on-downloadIf set apps downloaded are not deleted.
--dubiousNo description
--dump-browser-histogramsRequests that a running browser process dump its collected histograms to a given file. The file is overwritten if it exists.
--dump-render-treeRequest the render trees of pages to be dumped as text once they have finished loading. Note that this switch has been deprecated, and the identically functioning |kRunLayoutTest| switch should be used instead.
--eafe-pathNo description
--eafe-urlEAFE url and path to use for Easy bootstrapping.
--easy-unlock-app-pathOverrides the path of Easy Unlock component app.
--eglNo description
--embedded-extension-optionsEnables extension options to be embedded in chrome://extensions rather than a new tab.
--emulate-shader-precisionEmulate ESSL lowp and mediump float precisions by mutating the shaders to round intermediate values in ANGLE.
--enable-2d-canvas-clip-aaEnable antialiasing on 2d canvas clips (as opposed to draw operations)
--enable-accelerated-2d-canvasEnable accelerated 2D canvas.
--enable-accessibility-tab-switcher[7]Enable the accessibility tab switcher.
--enable-account-consistencyEnables consistent identity features.
--enable-affiliation-based-matchingEnable affiliation based matching, so that credentials stored for an Android application will also be considered matches for, and be filled into corresponding Web applications.
--enable-answers-in-suggestEnables the experimental Answers in Suggest feature.
--enable-app-install-alerts[7]Enables app install alerts.
--enable-app-listIf set, the app list will be enabled as if enabled from CWS.
--enable-app-window-controlsEnables the <window-controls> tag in platform apps.
--enable-apps-file-associationsEnable OS integration for Chrome app file associations.
--enable-apps-show-on-first-paintShow apps windows after the first paint. Windows will be shown significantly later for heavy apps loading resources synchronously but it will be insignificant for apps that load most of their resources asynchronously.
--enable-async-dnsEnables the experimental asynchronous DNS client.
--enable-automatic-password-savingDisables the save-password prompt. Passwords are then saved automatically, without asking the user.
--enable-avfoundation[3]AVFoundation is available in versions 10.7 and onwards, and is to be used http://crbug.com/288562 for both audio and video device monitoring and for video capture. Being a dynamically loaded NSBundle and library, it hits the Chrome startup time (http://crbug.com/311325 and http://crbug.com/311437&#41;; for experimentation purposes, in particular library load time issue, the usage of this library can be enabled by using this flag.
--enable-begin-frame-schedulingUse a BeginFrame signal from browser to renderer to schedule rendering.
--enable-benchmarkingEnables the benchmarking extensions.
--enable-bleeding-edge-rendering-fast-pathsEnable bleeding-edge code to make Chrome draw content faster. The changes behind this path are very likely to break lots of content. ** DO NOT use this flag unless you know what you are doing. **
--enable-blink-featuresDisable one or more Blink runtime-enabled features. Use names from RuntimeEnabledFeatures.in, separated by commas. Applied before kDisableBlinkFeatures, and after other flags that change these features.
--enable-bookmark-undoEnables the multi-level undo system for bookmarks.
--enable-browser-side-navigationPlzNavigate: Use the experimental browser-side navigation path.
--enable-carrier-switchingEnables switching between different cellular carriers from the UI.
--enable-centered-app-listIf set, the app list will be centered and wide instead of tall.
--enable-child-account-detectionEnables detection of child accounts.
--enable-cloud-print-proxyThis applies only when the process type is "service". Enables the Cloud Print Proxy component within the service process.
--enable-cloud-print-xps[4]Fallback to XPS. By default connector uses CDD.
--enable-cma-media-pipelineEnable the CMA media pipeline.
--enable-compositor-animation-timelinesEnables new cc/animation system (Project Heaviside). crbug.com/394772
--enable-consumer-managementEnables consumer management, which allows user to enroll, remotely lock and locate the device.
--enable-contextual-search[7]Enables Contextual Search.
--enable-crash-reporterIndicates that crash reporting should be enabled. On platforms where helper processes cannot access to files needed to make this decision, this flag is generated internally.
--enable-crash-reporter-for-testing[11]Used for turning on Breakpad crash reporting in a debug environment where crash reporting is typically compiled but disabled.
--enable-credential-manager-apiEnable the experimental Credential Manager JavaScript API.
--enable-credit-card-scanEnables using device's camera to scan a new credit card when filling out a credit card form.
--enable-crx-hash-checkEnable package hash check: the .crx file sha256 hash sum should be equal to the one received from update manifest.
--enable-data-reduction-proxy-altEnable the alternative data reduction proxy.
--enable-data-reduction-proxy-bypass-warningEnable the data reduction proxy bypass warning.
--enable-data-reduction-proxy-config-clientEnable the data reduction proxy config client.
--enable-data-reduction-proxy-lo-fiEnable Data Reduction Proxy Lo-Fi mode.
--enable-deferred-image-decodingDefer image decoding in WebKit until painting.
--enable-delay-agnostic-aecEnables Delay Agnostic AEC in WebRTC.
--enable-delegated-rendererEnables delegated renderer.
--enable-device-discovery-notificationsEnable device discovery notifications.
--enable-devtools-experimentsIf true devtools experimental settings are enabled.
--enable-display-list-2d-canvasEnables 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-textEnables using signed distance fields when rendering text. Only valid if GPU rasterization is enabled as well.
--enable-dom-distillerEnables the DOM distiller.
--enable-dom-distiller-button-animation[7]Enables the DOM distiller animated button UI for Android.
--enable-domain-reliabilityEnables Domain Reliability Monitoring.
--enable-download-notificationEnables Download Notification.
--enable-download-resumptionEnables restarting interrupted downloads.
--enable-drop-sync-credentialEnable dropping the credential used to sync passwords.
--enable-embedded-extension-optionsHack so that feature switch can work with about_flags. See kEnableScriptsRequireAction.
--enable-embeddedsearch-api[7]Enables EmbeddedSearch API in the search results page.
--enable-ephemeral-apps-in-webstoreEnables experimentation with ephemeral apps to be launched from the webstore.
--enable-exclusive-audio[4]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 ... 70844.aspx for details.
--enable-experimental-app-listEnable/disable the experimental app list. If enabled, implies --enable-centered-app-list.
--enable-experimental-canvas-featuresEnable experimental canvas features, e.g. canvas 2D context attributes
--enable-experimental-extension-apisEnables extension APIs that are in development.
--enable-experimental-input-view-featuresNo description
--enable-experimental-web-platform-featuresEnables Web Platform features that are in development.
--enable-extension-action-redesignHack so that feature switch can work with about_flags. See kEnableScriptsRequireAction.
--enable-extension-activity-log-testingNo description
--enable-extension-activity-loggingEnables logging for extension activity.
--enable-extension-assets-sharingEnabled sharing assets for installed default apps.
--enable-fast-unloadEnable 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-fill-on-account-selectEnables the experiment for the password manager to only fill on account selection, rather than autofilling on page load, with highlighting of fields.
--enable-fill-on-account-select-no-highlightingEnables the experiment for the password manager to only fill on account selection, rather than autofilling on page load, with no highlighting of fields.
--enable-firewall-hole-punchingEnable Chrome OS firewall hole-punching for Chrome Apps.
--enable-first-run-ui-transitionsEnables animated transitions during first-run tutorial.
--enable-font-antialiasingEnable font antialiasing for pixel tests.
--enable-gesture-deletionNo description
--enable-gesture-selectionNo description
--enable-gesture-typingNo description
--enable-gpu-benchmarkingEnables the GPU benchmarking extension
--enable-gpu-client-loggingEnable GPU client logging.
--enable-gpu-client-tracingEnables TRACE for GL calls in the renderer.
--enable-gpu-command-loggingTurn on Logging GPU commands.
--enable-gpu-debuggingTurn on Calling GL Error after every command.
--enable-gpu-rasterizationAllow 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-loggingTurns on GPU logging (debug build only).
--enable-gpu-service-tracingTurns on calling TRACE for every GL call.
--enable-grouped-historyEnables grouping websites by domain and filtering them by period.
--enable-handle-auditingEnumerates and prints a child process' most dangerous handles when it is terminated.
--enable-handle-auditing-allThe same as kAuditHandles except all handles are enumerated.
--enable-hardware-overlaysEnable compositing individual elements via hardware overlays when permitted by device.
--enable-harfbuzz-rendertext[3]Enables the HarfBuzz port of RenderText on Mac (it's already used only for text editing; this enables it for everything else).
--enable-hosted-app-quit-notification[3]Shows a notification when quitting Chrome with hosted apps running. Default behavior is to also quit all hosted apps.
--enable-hotword-hardwareEnables experimental hotword features specific to always-on.
--enable-icon-ntpEnables large icons on the New Tab page.
--enable-iframe-based-signinEnables the old iframe-based flow for sign in. When not enabled, uses the webview-based flow.
--enable-image-color-profilesDynamically apply color profiles to web content images.
--enable-inband-text-tracksEnables support for inband text tracks in media content.
--enable-input-viewNo description
--enable-instant-search-clicks[7]Enables instant search clicks feature.
--enable-ios-open-from-clipboardEnables Open from Clipboard.
--enable-ipv6Enables IPv6 support, even if probes suggest that it may not be fully supported. Some probes may require internet connections, and this flag will allow support independent of application testing. This flag overrides "disable-ipv6" which appears elswhere in this file.
--enable-kiosk-modeEnable Kiosk mode for ChromeOS. Note this switch refers to retail mode rather than the kiosk app mode.
--enable-launcher-search-provider-apiEnables launcher search provider api.
--enable-lcd-textEnables LCD text.
--enable-leak-detectionEnables the leak detection of loading webpages. This allows us to check whether or not reloading a webpage releases web-related objects correctly.
--enable-link-disambiguation-popupEnables a zoomed popup bubble that allows the user to select a link.
--enable-linkable-ephemeral-appsEnables experimentation with launching ephemeral apps via hyperlinks.
--enable-local-file-accesses[7]Enable file accesses for debug.
--enable-loggingForce logging to be enabled. Logging is disabled by default in release builds.
--enable-low-end-device-modeForce low-end device mode when set.
--enable-low-res-tilingWhen using CPU rasterizing generate low resolution tiling. Low res tiles may be displayed during fast scrolls especially on slower devices.
--enable-mac-views-app-list[3]Enables use of the toolkit-views app list on Mac.
--enable-main-frame-before-activationEnables sending the next BeginMainFrame before the previous commit activates.
--enable-manager-for-sync-signinEnable saving and filling for the sync signin form. Currently the default behavior.
--enable-md-settingsEnables the material design Settings feature.
--enable-media-routerEnables Media Router.
--enable-memory-benchmarkingEnables the memory benchmarking extension
--enable-message-center-always-scroll-up-upon-notification-removalEnables 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-mojo-serial-serviceEnables the mojo implementation of the serial API.
--enable-mtp-write-supportEnables mtp write support.
--enable-multiprocessLoad apps in separate processes. TODO(vtl): Work in progress; doesn't work. Flip this to "disable" (or maybe change it to "single-process") when it works.
--enable-naclRuns the Native Client inside the renderer process and enables GPU plugin (internally adds lEnableGpuPlugin to the command line).
--enable-nacl-debugEnables debugging via RSP over a socket.
--enable-nacl-mojoEnables Mojo support for Native Client plugins.
--enable-nacl-nonsfi-modeEnables Non-SFI mode, in which programs can be run without NaCl's SFI sandbox.
--enable-native-gpu-memory-buffersEnable native GPU memory buffer support when available.
--enable-natural-scroll-defaultEnables natural scroll by default.
--enable-net-benchmarkingEnables the network-related benchmarking extensions.
--enable-network-informationEnables the network information API.
--enable-network-portal-notificationEnables notifications about captive portals in session.
--enable-new-avatar-menuEnable the new avatar menu and the User Manager.
--enable-new-bookmark-appsEnables the new bookmark app system.
--enable-new-korean-imeIf this switch is set, the new Korean IME will be available in chrome://settings/languages.
--enable-npapiEnables the use of NPAPI plugins.
--enable-npn-httpEnables NPN with HTTP. It means NPN is enabled but SPDY won't be used. HTTP is still used for all requests.
--enable-oauth-token-handlersEnable OAuth token validation on sign in screen.
--enable-offer-store-unmasked-wallet-cardsForce showing the local save checkbox in the autofill dialog box for getting the full credit card number for a wallet card.
--enable-offline-auto-reloadEnable auto-reload of error pages if offline.
--enable-offline-auto-reload-visible-onlyOnly auto-reload error pages when the tab is visible.
--enable-one-copyEnable rasterizer that writes directly to GPU memory.
--enable-out-of-process-pdfEnable the out of process PDF plugin.
--enable-overlay-fullscreen-videoEnables use of hardware overlay for fullscreen video playback. Android only.
--enable-overlay-scrollbarEnables overlay scrollbars on Aura or Linux. Does nothing on Mac.
--enable-override-bookmarks-uiEnables extensions to hide bookmarks UI elements.
--enable-panelsEnables panels (always on-top docked pop-up windows).
--enable-password-generationEnables password generation when we detect that the user is going through account creation.
--enable-password-linkEnable the link in the password manager settings page that points to account central.
--enable-password-save-in-page-navigationEnable showing password save prompt on in-page navigations
--enable-pdf-material-uiEnable the new material UI - requires out of process PDF plugin.
--enable-pepper-testingEnables the testing interface for PPAPI.
--enable-permissions-bubblesUse bubbles for content permissions requests instead of infobars.
--enable-physical-keyboard-autocorrectIf this switch is set, the options for suggestions as typing on physical keyboard will be enabled.
--enable-pinchEnables compositor-accelerated touch-screen pinch gestures.
--enable-pinch-virtual-viewportVirtual viewport for fixed-position elements, scrollbars during pinch.
--enable-pixel-output-in-testsForces tests to produce pixel output when they normally wouldn't.
--enable-plugin-placeholder-shadow-domEnables presenting plugin placeholder content as shadow DOM.
--enable-plugin-power-saver[1]Enables forcing on the experimental Plugin Power Saver feature.
--enable-pnacl-subzeroEnable use of the Subzero as the PNaCl translator instead of LLC.
--enable-potentially-annoying-security-featuresEnables a number of potentially annoying security features (strict mixed content mode, powerful feature restrictions, etc.)
--enable-power-overlayEnables the Power overlay in Settings.
--enable-precacheEnables the proactive populating of the disk cache with Web resources that are likely to be needed in future page fetches.
--enable-precise-memory-infoMake 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-textEnable the creation of compositing layers when it would prevent LCD text.
--enable-print-preview-register-promosEnables showing unregistered printers in print preview
--enable-printer-app-searchEnables searching for an app that supports a plugged in USB printer. When a user plugs in USB printer, they are shown a notification offering to search Chroem Web Store for an app that has printerProvider permission and can handle the plugged in printer.
--enable-privet-storageEnable Privet storage.
--enable-profile-shortcut-manager[4]Force-enables the profile shortcut manager. This is needed for tests since they use a custom-user-data-dir which disables this.
--enable-profilingEnables 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-property-tree-verificationEnsures that the draw properties computed via the property trees match those computed by CalcDrawProperties.
--enable-proximity-auth-proximity-detectionEnables close proximity detection. This allows the user to set a setting to require very close proximity between the remote device and the local device in order to unlock the local device, which trades off convenience for security.
--enable-push-message-payloadEnables payloads for received push messages when using the W3C Push API.
--enable-push-messaging-has-permissionEnable hasPermission() method of the W3C Push API.
--enable-query-extractionEnables query in the omnibox.
--enable-quicEnables support for the QUIC protocol. This is a temporary testing flag.
--enable-quic-pacingDisable use of pacing of QUIC packets. This only has an effect if QUIC protocol is enabled.
--enable-quic-port-selectionEnable use of Chromium's port selection for the ephemeral port via bind(). This only has an effect if QUIC protocol is enabled.
--enable-reader-mode-adaboost-heuristicsNo description
--enable-reader-mode-og-article-heuristicsNo description
--enable-reader-mode-toolbar-iconEnables context-sensitive reader mode button in the toolbar.
--enable-region-based-columnsEnables the CSS multicol implementation that uses the regions implementation.
--enable-renderer-mojo-channelReplaces renderer-browser IPC channel with ChnanelMojo. TODO(morrita): Now ChannelMojo for the renderer is on by default. Remove this once the change sticks.
--enable-request-tablet-siteEnables request of tablet site (via user agent override).
--enable-sandbox-loggingCause the OS X sandbox write to syslog every time an access to a resource is denied by the sandbox.
--enable-save-password-bubbleEnables save password prompt bubble.
--enable-screenshot-testing-with-modeEnables using screenshots in tests and seets mode.
--enable-scripts-require-actionFeatureSwitch 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-predictionEnable scroll prediction for scroll update events.
--enable-sdch-over-httpsEnables SDCH for https schemes.
--enable-sdch-persistenceEnables SDCH persistence.
--enable-seccomp-filter-sandboxEnables seccomp-bpf support for Android. Requires experimental kernel support. <http://crbug.com/166704>
--enable-service-worker-syncEnable support for sync events in ServiceWorkers.
--enable-session-crashed-bubbleEnables using bubbles for session restore request instead of infobars.
--enable-settings-windowEnable or disable settings in a separate browser window per profile (see SettingsWindowEnabled() below).
--enable-share-group-async-texture-uploadAllows async texture uploads (off main thread) via GL context sharing.
--enable-single-click-autofillEnables/disables suggestions without typing anything (on first click).
--enable-skia-benchmarkingEnables the Skia benchmarking extension
--enable-slimming-paintEnables slimming paint: http://www.chromium.org/blink/slimming-paint
--enable-smooth-scrollingOn platforms that support it, enables smooth scroll animation.
--enable-spatial-navigationEnable spatial navigation
--enable-spdy-proxy-authEnable the data reduction proxy.
--enable-spdy-proxy-dev-auth-originEnables the origin of the data reduction proxy dev.
--enable-spdy4Enable SPDY/4, aka HTTP/2. This is a temporary testing flag.
--enable-speech-dispatcher[12]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-auto-correct[13]Enables auto correction for misspelled words.
--enable-spelling-feedback-field-trial[13]Enables participation in the field trial for user feedback to spelling service.
--enable-stale-while-revalidateEnables implementation of the Cache-Control: stale-while-revalidate directive which permits servers to allow the use of stale resources while revalidation proceeds in the background.
--enable-stats-collection-bindingsSpecifies 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-tableEnables StatsTable, logging statistics to a global named shared memory table.
--enable-strict-mixed-content-checkingBlocks all insecure requests from secure contexts, and prevents the user from overriding that decision.
--enable-strict-powerful-feature-restrictionsBlocks insecure usage of number of powerful features (geolocation, for example) that we haven't yet deprecated for the web at large.
--enable-strict-site-isolationExperimentally ensures that each renderer process: 1) Only handles rendering for pages from a single site, apart from iframes. (Note that a page can reference content from multiple origins due to images, JavaScript files, etc. Cross-site iframes are also loaded in-process.) 2) Only has authority to see or use cookies for the page's top-level origin. (So if a.com iframes b.com, the b.com network request will be sent without cookies.) This is expected to break compatibility with many pages for now. Unlike the --site-per-process flag, this allows cross-site iframes, but it blocks all cookies on cross-site requests.
--enable-subscribe-uniform-extensionEnable WebGL subscribe uniform extension.
--enable-suggestions-serviceEnables the suggestions service.
--enable-supervised-user-blacklistEnables the supervised user host blacklist.
--enable-supervised-user-managed-bookmarks-folderEnables the supervised user managed bookmarks folder.
--enable-supervised-user-safesitesEnables SafeSites filtering for supervised users.
--enable-surface-workerEnables the experimental feature SurfaceWorker.
--enable-swipe-selectionNo description
--enable-sync-app-listEnables syncing of the app list independent of extensions.
--enable-sync-articlesEnables synced articles.
--enable-tab-audio-mutingEnables user control over muting tab audio from the tab strip.
--enable-tcp-fastopenEnable use of experimental TCP sockets API for sending data in the SYN packet.
--enable-text-input-focus-managerEnables an experimental focus manager to track text input clients.
--enable-threaded-compositingEnabled threaded compositing for layout tests.
--enable-threaded-texture-mailboxesSimulates shared textures when share groups are not available. Not available everywhere.
--enable-thumbnail-retargetingEnables fanciful thumbnail processing. Used with NTP for instant-extended-api, where thumbnails are generally smaller.
--enable-touch-drag-dropEnables touch event based drag and drop.
--enable-touch-editingEnables controls that support touch base text editing.
--enable-trace-app-sourcePass launch source to platform apps.
--enable-tracingEnable tracing during the execution of browser tests.
--enable-tracing-outputThe filename to write the output of the test tracing to.
--enable-translate-new-uxEnables Translate experimental new UX which replaces the infobar.
--enable-transparent-visuals[14]When enabled, tries to get a transparent X11 visual so that we can have per-pixel alpha in windows. TODO(erg): Remove this switch once we've stabilized the code path. http://crbug.com/369209
--enable-unsafe-es3-apisEnable OpenGL ES 3 APIs without proper service side validation.
--enable-user-controlled-alternate-protocol-portsEnables Alternate-Protocol when the port is user controlled (> 1024).
--enable-usermedia-screen-capturingEnable screen capturing support for MediaStream API.
--enable-video-player-chromecast-supportEnables the chromecast support for video player app.
--enable-viewportEnables 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-viewport-metaEnables the viewport meta tag, the de facto way to control layout which works only on mobile browsers.
--enable-virtual-keyboardNo description
--enable-virtual-keyboard-overscrollNo description
--enable-vtune-supportEnable the Vtune profiler support.
--enable-webgl-draft-extensionsEnables WebGL extensions not yet approved by the community.
--enable-webgl-image-chromiumEnables WebGL rendering into a scanout buffer for overlay support.
--enable-webrtc-capture-to-texture[15]Enables Video Capture Device captured data uploaded to Texture for zero-copy capture pipeline.
--enable-webrtc-hw-h264-encoding[9]Enables H264 HW encode acceleration for WebRTC.
--enable-webrtc-stun-origin[9]Enables Origin header in Stun messages for WebRTC.
--enable-website-settings-managerEnables the Website Settings page on the Settings page.
--enable-wifi-credential-syncEnables synchronizing WiFi credentials across devices, using Chrome Sync.
--enable-win32k-renderer-lockdown[4]No description
--enable-zero-copyEnable rasterizer that writes directly to GPU memory associated with tiles.
--enable-zero-suggest-most-visited[7]Enables zero suggest functionality on Dev channel, showing most visited sites as default suggestions.
--enable-zero-suggest-most-visited-without-serp[7]Enable zero suggest functionality on Dev channel, showing most visited sites on non-search-result pages as default suggestions.
--enabledenabled: touch events always enabled.
--encode-binaryEncode binary layout test results (images, audio) using base64.
--enforceNo description
--enforce-gl-minimumsEnforce GL minimums.
--enforce_strictNo description
--enhanced-bookmarks-experimentEnable Enhanced Bookmarks.
--enterprise-enable-forced-re-enrollmentWhether to enable forced enterprise re-enrollment.
--enterprise-enrollment-initial-modulusPower 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-limitPower of the power-of-2 maximum modulus that will be used by the auto-enrollment client.
--enterprise-enrollment-skip-robot-authDon't create robot account on enrollment. Used when testing device enrollment against YAPS or the Python test server.
--error-consoleAllows the ErrorConsole to collect runtime and manifest errors, and display them in the chrome:extensions page.
--explicitly-allowed-portsExplicitly allows additional ports using a comma-separated list of port numbers.
--expose-internals-for-testingExposes the window.internals object to JavaScript for interactive development and debugging of layout tests that rely on it.
--expose-ipc-echoExpose window.ipcTester object for testing
--extended-responseNo description
--extension-action-redesignWhether to switch to extension action redesign mode (experimental).
--extension-content-verificationName of the command line flag to force content verification to be on in one of various modes.
--extension-processMarks a renderer as extension process.
--extensions-install-verificationTurns on extension install verification if it would not otherwise have been turned on.
--extensions-multi-accountEnables multiple account versions of chrome.identity APIs.
--extensions-not-webstoreSpecifies 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-urlsEnables extensions running scripts on chrome:// URLs. Extensions still need to explicitly request access to chrome:// URLs in the manifest.
--extensions-update-frequencyFrequency in seconds for Extensions auto-update.
--extra-plugin-dirLoad NPAPI plugins from the specified directory.
--extra-search-query-paramsAdditional query params to insert in the search and instant URLs. Useful for testing.
--fake-cloud-policy-type[16]Registers for cloud policy using the BROWSER client type instead of the ANDROID_BROWSER or IOS_BROWSER types. This allows skipping the server whitelist. TODO(joaodasilva): remove this. http://crbug.com/248527
--fake-variations-channelFakes 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.
--fast-startIf 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.
--fast-user-switchingAllows displaying the list of existing profiles in the avatar bubble for fast switching between profiles.
--feedback-serverAlternative feedback server to use when submitting user feedback
--filemgr-ext-path[17]Enables overriding the path of file manager extension.
--first-exec-after-bootPassed to Chrome the first time that it's run after the system boots. Not passed on restart after sign out.
--flag-switches-beginThese 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-endNo description
--font-cache-shared-mem-suffix[4]DirectWrite FontCache is shared by browser to renderers using shared memory. This switch allows specifying suffix to shared memory section name to avoid clashes between different instances of Chrome.
--force-app-modeForces application mode. This hides certain system UI elements and forces the app to be installed if it hasn't been already.
--force-desktop[4]For the DelegateExecute verb handler to launch Chrome in desktop mode on Windows 8 and higher. Used when relaunching metro Chrome.
--force-dev-mode-highlightingWhether to force developer mode extensions highlighting.
--force-device-scale-factorOverrides the device scale factor for the browser UI and the contents.
--force-directshow[4]Used to troubleshoot problems with different video capture implementations on Windows. By default we use the Media Foundation API on Windows 7 and up, but specifying this switch will force use of DirectShow always. See bug: http://crbug.com/268412
--force-display-list-2d-canvasNo description
--force-fieldtrialsThis 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 is also used by the browser to send the list of trials to renderers, using the same format. See FieldTrialList::CreateTrialsFromString() in field_trial.h for details.
--force-first-runDisplays 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-uiForces first-run UI to be shown for every login.
--force-gpu-mem-available-mbSets the total amount of memory that may be allocated for GPU resources
--force-gpu-rasterizationAlways use the Skia GPU backend for drawing layer tiles. Only valid with GPU accelerated compositing + impl-side painting. Overrides the kEnableGpuRasterization flag.
--force-immersive[4]For the DelegateExecute verb handler to launch Chrome in metro mode on Windows 8 and higher. Used when relaunching metro Chrome.
--force-in-processIn multiprocess mode, force these apps to be loaded in the main process. Comma-separate list of URLs. Example: --force-in-process=mojo:native_viewport_service,mojo:network_service
--force-load-easy-unlock-app-in-testsForce easy unlock app loading in test. TODO(xiyuan): Remove this when app could be bundled with Chrome.
--force-login-manager-in-testsUsually 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[4]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-qtkit[3]QTKit is the media capture API predecessor to AVFoundation, available up and until Mac OS X 10.9 (despite being deprecated in this last one). This flag is used for troubleshooting and testing, and forces QTKit in builds and configurations where AVFoundation would be used otherwise.
--force-renderer-accessibilityForce 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-text-blobsAlways use text blob rendering, overriding kDisableTextBlobs and any heuristics that may otherwise disable it. TODO(fmalita): remove after --disable-impl-side-painting is phased out.
--force-variation-idsForces 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-wave-audio[4]Use Windows WaveOut/In audio API even if Core Audio is supported.
--full-memory-crash-reportGenerates full memory crash dump.
--gaia-urlNo description
--gl-shader-interm-outputInclude ANGLE's intermediate representation (AST) output in shader compilation info logs.
--golden-screenshots-dirScreenshot testing: specifies the directory where the golden screenshots are stored.
--google-apis-urlNo description
--google-base-urlSpecifies an alternate URL to use for speaking to Google. Useful for testing.
--google-profile-infoEnables using GAIA information to populate profile name and icon.
--gpu-device-idPasses gpu device_id from browser process to GPU process.
--gpu-driver-bug-workaroundsPass a set of GpuDriverBugWorkaroundType ids, seperated by ','.
--gpu-driver-vendorPasses gpu driver_vendor from browser process to GPU process.
--gpu-driver-versionPasses gpu driver_version from browser process to GPU process.
--gpu-launcherExtra command line options for launching the GPU process (normally used for debugging). Use like renderer-cmd-prefix.
--gpu-no-context-lostInform 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-processMakes this process a GPU sub-process.
--gpu-program-cache-size-kbSets the maximum size of the in-memory gpu program cache, in kb
--gpu-rasterization-msaa-sample-countThe number of multisample antialiasing samples for GPU rasterization. Requires MSAA support on GPU to have an effect. 0 disables MSAA.
--gpu-sandbox-allow-sysv-shmAllows shmat() system call in the GPU sandbox.
--gpu-sandbox-failures-fatalMakes GPU sandbox failures fatal.
--gpu-sandbox-start-earlyStarts the GPU sandbox before creating a GL context.
--gpu-startup-dialogCauses the GPU process to display a dialog on launch.
--gpu-vendor-idPasses gpu vendor_id from browser process to GPU process.
--guest-wallpaper-largeWallpaper to use in guest mode (as paths to trusted, non-user-writable JPEG files).
--guest-wallpaper-smallNo description
--hNo description
--has-chromeos-diamond-keyIf true, the Chromebook has a keyboard with a diamond key.
--has-chromeos-keyboardIf true, the Chromebook has a Chrome OS keyboard. Don't use the flag for Chromeboxes.
--hdmi-sink-supported-codecsThe bitmask of codecs (media_caps.h) supported by the current HDMI sink.
--helpPrint the usage message and exit.
--hide-iconsMakes 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.
--homedirDefines user homedir. This defaults to primary user homedir.
--homepageSpecifies 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-pairing-oobeWith this switch, start remora OOBE with the pairing screen.
--host-resolver-retry-attemptsThe maximum number of retry attempts to resolve the host. Set this to zero to disable host resolver retry attempts.
--host-resolver-rulesThese mappings only apply to the host resolver.
--host-rulesComma-separated list of rules that control how hostnames are mapped. For example: "MAP * 127.0.0.1" --> Forces all hostnames to be mapped to 127.0.0.1 "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 http://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).
--http-portNo description
--ignore-autocomplete-off-autofillIgnores autocomplete="off" for Autofill data (profiles + credit cards).
--ignore-certificate-errorsIgnores certificate-related errors.
--ignore-gpu-blacklistIgnores GPU blacklist.
--ignore-resolution-limits-for-accelerated-video-decodeBypass autodetection of the upper limit on resolution of streams that can be hardware decoded.
--ignore-urlfetcher-cert-requestsCauses 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-testsIf 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-gpuRun the GPU process as a thread in the browser process.
--incognitoCauses the browser to launch directly in incognito mode.
--installNo description
--install-chrome-appCauses Chrome to initiate an installation flow for the given app.
--install-ephemeral-app-from-webstoreCauses Chrome to attempt to get metadata from the webstore for the app/extension ID given, and then prompt the user to download and install it. This is allowed *only* for ephemeral apps. All other ids will be ignored.
--install-supervised-user-whitelistsA list of whitelists to install for a supervised user, for testing. The list is of the following form: <id>[:<name>],[<id>[:<name>],...]
--instant-processMarks a renderer as an Instant process.
--invalidation-use-gcm-channelInvalidation service should use GCM network channel even if experiment is not enabled.
--ipc-connection-timeoutOverrides the timeout, in seconds, that a child process waits for a connection from the browser before killing itself.
--ipc-dump-directoryDumps IPC messages sent from renderer processes to the browser process to the given directory. Used primarily to gather samples for IPC fuzzing.
--ipc-fuzzer-testcaseSpecifies the testcase used by the IPC fuzzer.
--javascript-harmonyEnables experimental Harmony (ECMAScript 6) features.
--js-flagsSpecifies the flags passed to JS engine
--keep-alive-for-testUsed for testing - keeps browser alive after last browser window closes.
--kioskEnable Kiosk mode.
--kiosk-printingPrint automatically in kiosk mode. |kKioskMode| must be set as well. See http://crbug.com/31395.
--langThe 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-appPass 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.
--learningSpeculative resource prefetching will only learn about resources that need to be prefetched but will not prefetch them.
--load-and-launch-appLoads an app from the specified directory and launches it.
--load-appsPath to a comma-separated list of apps to load at startup. The first app in the list will be launched.
--load-component-extensionComma-separated list of directories with component extensions to load.
--load-extensionLoads an extension from the specified directory.
--load-pluginLoad an NPAPI plugin from the specified path.
--local-heuristics-only-for-password-generationRemoves 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.
--log-gpu-control-list-decisionsLogs GPU control list decisions when enforcing blacklist rules.
--log-levelSets the minimum log level. Valid values are from 0 to 3: INFO = 0, WARNING = 1, LOG_ERROR = 2, LOG_FATAL = 3.
--log-net-logEnables saving net log events to a file and sets the file name to use.
--log-plugin-messagesMake plugin processes log their sent and received messages to VLOG(1).
--login-managerEnables Chrome-as-a-login-manager behavior.
--login-profileSpecifies 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-userSpecifies the user which is already logged in.
--lso-urlNo description
--main-frame-resizes-are-orientation-changesResizes of the main frame are the caused by changing between landscape and portrait mode (i.e. Android) so the page should be rescaled to fit
--make-default-browserMakes Chrome default browser
--managed-user-idSets 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-tokenUsed to authenticate requests to the Sync service for supervised users. Setting this switch also causes Sync to be set up for a supervised user.
--map-originSpecify origin to map to base url. See url_resolver.cc for details. Can be used multiple times.
--mark-non-secure-asUse to opt-in to marking HTTP as non-secure.
--max-gum-fps[9]Override the maximum framerate as can be specified in calls to getUserMedia. This flag expects a value. Example: --max-gum-fps=17.5
--max-tiles-for-interest-areaMax tiles allowed for each tilings interest area.
--max-untiled-layer-heightSets the width and height above which a composited layer will get tiled.
--max-untiled-layer-widthNo description
--max-unused-resource-memory-usage-percentageThe amount of unused resource memory compositor is allowed to keep around.
--media-cache-sizeForces the maximum disk space to be used by the media cache, in bytes.
--memory-metricsSample memory usage with high frequency and store the results to the Renderer.Memory histogram. Used in memory tests.
--memory-pressure-offNo description
--memory-pressure-thresholdsNo description
--message-loop-histogrammerEnables histograming of tasks served by MessageLoop. See about:histograms/Loop for results, which show frequency of messages on each thread, including APC count, object signalling count, etc.
--metrics-client-id[3]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-onlyEnables 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.
--migrate-data-dir-for-sxs[12]Triggers migration of user data directory to another directory specified as a parameter. The migration is done under singleton lock, and sanity checks are made to avoid corrupting the profile. The browser exits after migration is complete.
--mockNo description
--monitoring-destination-idAllows setting a different destination ID for connection-monitoring GCM messages. Useful when running against a non-prod management server.
--mute-audioMutes audio sent to the audio device so it is not audible during automated testing.
--nacl-brokerValue 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-nonsfiDisable sandbox even for non SFI mode. This is particularly unsafe as non SFI NaCl heavily relies on the seccomp sandbox.
--nacl-debug-maskUses 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-gdbNative Client GDB debugger that will be launched automatically when needed.
--nacl-gdb-scriptGDB script to pass to the nacl-gdb debugger at startup.
--nacl-loaderValue for --type that causes the process to run as a NativeClient loader for SFI mode.
--nacl-loader-nonsfiValue for --type that causes the process to run as a NativeClient loader for non SFI mode.
--net-log-levelSets the base logging level for the net log. Log 0 logs the most data. Intended primarily for use with --log-net-log.
--network-country-iso[7]The telephony region (ISO country code) to use in phone number detection.
--neutralNo description
--new-profile-managementEnables new profile management system, including lock mode.
--new-windowLaunches URL in new browser window.
--NewProfileManagementNo description
--no-announcementNo description
--no-default-browser-checkDisables the default browser check. Useful for UI/browser tests where we want to avoid having the default browser info-bar displayed.
--no-displaying-insecure-contentBy default, an https page can load images, fonts or frames from an http page. This switch overrides this to block this lesser mixed-content problem.
--no-eventsDon't record/playback events when using record & playback.
--no-experimentsDisables 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-runSkip 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-checkDisables 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-warningWhether or not the browser should warn if the profile is on a network share. This flag is only relevant for Windows currently.
--no-pingsDon't send hyperlink auditing pings
--no-proxy-serverDon't use a proxy server, always make direct connections. Overrides any other proxy server flags that are passed.
--no-referrersDon't send HTTP-Referer headers.
--no-sandboxDisables the sandbox for all process types that are normally sandboxed.
--no-service-autorunDisables 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-startup-windowDoes not automatically open a browser window on startup (used when launching Chrome for the purpose of hosting background apps).
--no-wifiDisable features that require WiFi management.
--noerrdialogsSuppresses all error dialogs when present.
--non-secureNo description
--num-pac-threadsSpecifies the maximum number of threads to use for running the Proxy Autoconfig (PAC) script.
--num-raster-threadsNumber of worker threads used to rasterize content.
--oauth2-client-idNo description
--oauth2-client-secretNo description
--oobe-guest-sessionIndicates that a guest session has been started before OOBE completion.
--oobe-skip-postloginSkips all other OOBE pages after user login.
--oobe-timer-intervalInterval at which we check for total time on OOBE.
--open-ash[18]No description
--originMap mojo: URLs to a shared library of similar name at this origin. See url_resolver.cc for details.
--origin-to-force-quic-onForce use of QUIC for requests to the specified origin.
--original-process-start-timeThe time that a new chrome process which is delegating to an already running chrome process started. (See ProcessSingleton for more details.)
--osmesaNo description
--override-metrics-upload-urlOverride the URL to which metrics logs are sent for debugging.
--override-use-gl-with-osmesa-for-testsForces the use of OSMesa instead of hardware gpu.
--overscroll-history-navigationControls 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'.
--ozone-dump-fileSpecify location for image dumps.
--ozone-initial-display-boundsSpecifies the size of the primary display at initialization.
--ozone-initial-display-physical-size-mmSpecifies the physical display size in millimeters.
--ozone-platformSpecify ozone platform implementation to use.
--ozone-test-single-overlay-supportEnable support for a single overlay plane.
--ozone-use-surfacelessSpecify if the accelerated path should use surfaceless rendering. In this mode there is no EGL surface.
--pack-extensionPackages an extension to a .crx installable file from a given directory.
--pack-extension-keyOptional PEM private key to use in signing packaged .crx.
--parent-profileSpecifies the path to the user data folder for the parent profile.
--password-store[19]Specifies which password store to use (detect, default, gnome, kwallet).
--permission-request-api-scopeDevelopment 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-urlDevelopment flag for permission request API. This flag is needed until the API is finalized. TODO(bauerb): Remove when this flag is not needed anymore.
--pluginCauses the process to run as a plugin subprocess.
--plugin-launcherSpecifies a command that should be used to launch the plugin process. Useful for running the plugin process through purify or quantify. Ex: --plugin-launcher="path\to\purify /Run=yes"
--plugin-pathTells the plugin process the path of the plugin to load
--plugin-startup-dialogCauses the plugin process to display a dialog on launch.
--power-stubSpecifies power stub behavior: 'cycle=2' - Cycles power states every 2 seconds. See FakeDBusThreadManager::ParsePowerCommandLineSwitch for full details.
--ppapiArgument to the process type that indicates a PPAPI plugin process type.
--ppapi-brokerArgument 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-pathUse the PPAPI (Pepper) Flash found at the given path.
--ppapi-flash-versionReport 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-processRuns PPAPI (Pepper) plugins in-process.
--ppapi-plugin-launcherLike kPluginLauncher for PPAPI plugins.
--ppapi-startup-dialogCauses 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.
--precache-config-settings-urlThe URL that provides the PrecacheConfigurationSettings proto.
--precache-manifest-url-prefixPrecache manifests will be served from URLs with this prefix.
--predictable-app-filenamesIf set apps downloaded are saved in with a predictable filename, to help remote debugging: when gdb is used through gdbserver, it needs to be able to find locally any loaded library. For this, gdb use the filename of the library. When using this flag, the application are named with the sha256 of their content.
--prefetch-search-resultsTriggers prerendering of search base page to prefetch results for the typed omnibox query. Only has an effect when prerender is enabled.
--prerenderControls speculative prerendering of pages, and content prefetching. Both are dispatched from <link rel=prefetch href=...> elements.
--prerender-from-omniboxTriggers 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-appprevious-app should be the app that was running when last-launched-app started.
--primaryValues for the kShowSavedCopy flag.
--privet-ipv6-onlyUse IPv6 only for privet HTTP.
--process-per-siteRuns a single process for each site (i.e., group of pages from the same registered domain) the user visits. 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).
--process-per-tabRuns 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).
--product-versionOutputs the product version information and quit. Used as an internal api to detect the installed version of Chrome on Linux.
--profile-directorySelects directory of profile to associate with the first browser launched.
--profiler-timingConfigure 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-at-startStarts 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-fileSpecifies a location for profiling output. This will only work if chrome has been built with the gyp variable profiling=1. {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}.
--profiling-flushControls 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.
--promo-server-urlSpecifies a custom URL for fetching NTP promo data.
--proxy-auto-detectForces proxy auto-detection.
--proxy-bypass-listSpecifies 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-urlUses the pac script at the given URL
--proxy-serverUses a specified proxy server, overrides system settings. This switch only affects HTTP and HTTPS requests.
--quic-connection-optionsSpecifies a comma separated list of QUIC connection options to send to the server.
--quic-max-packet-lengthSpecifies the maximum length for a QUIC packet.
--quic-versionSpecifies the version of QUIC to use.
--reduce-security-for-testingEnables more web features over insecure connections. Designed to be used for testing purposes only.
--reduced-referrer-granularityReduce the default `referer` header's granularity.
--register-font-filesRegisters 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-pluginsRegister Pepper plugins (see pepper_plugin_list.cc for its format).
--relaunch-shortcut[4]Relaunches metro Chrome on Windows 8 and higher using a given shortcut.
--relauncher[3]A process type (switches::kProcessType) that relaunches the browser. See chrome/browser/mac/relauncher.h.
--remember-cert-error-decisionsRemember user proceeds through SSL interstitials for a specified amount of time. In particular, remember these decisions through session restart. The time delta to remember certificates should be specified in seconds.
--remote-debugging-portEnables remote debug over HTTP on the specified port.
--remote-debugging-socket-name[7]Enables remote debug over HTTP on the specified socket name.
--rendererCauses the process to run as renderer instead of as browser.
--renderer-cmd-prefixThe contents of this flag are prepended to the renderer command line. Useful values might be "valgrind" or "xterm -e gdb --args".
--renderer-process-limitOverrides 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-dialogCauses the renderer process to display a dialog on launch.
--renderer-wait-for-java-debugger[7]Block ChildProcessMain thread of the renderer's ChildProcessService until a Java debugger is attached.
--require-audio-hardware-for-testingWhen running tests on a system without the required hardware or libraries, this flag will cause the tests to fail. Otherwise, they silently succeed.
--requirementsNo description
--reset-app-list-install-stateIf 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-stateForces a reset of the one-time-randomized FieldTrials on this client, also known as the Chrome Variations state.
--restore-last-sessionIndicates the last session should be restored on startup. This overrides the preferences value and is primarily intended for testing. The value of this switch is the number of tabs to wait until loaded before 'load completed' is sent to the ui_test.
--root-layer-scrollsHandles frame scrolls via the root RenderLayer instead of the FrameView.
--run-layout-testRequest the render trees of pages to be dumped as text once they have finished loading.
--safebrowsing-disable-auto-updateIf present, safebrowsing only performs update when SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called. This is used for testing only.
--safebrowsing-disable-download-protectionTODO(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-blacklistDisables safebrowsing feature that checks for blacklisted extensions.
--safebrowsing-disable-side-effect-free-whitelistDisables safebrowsing feature that provides a side-effect free whitelist.
--sandbox-ipcCauses the process to run as a sandbox IPC subprocess.
--save-page-as-mhtmlDisable 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.
--scripts-require-actionNotify 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-effectEnables 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.
--secondaryNo description
--serviceNo description
--service-nameNo description
--set-tokenSets a token in the token service, for testing.
--shill-stubOverrides 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-listIf true the app list will be shown.
--show-autofill-type-predictionsAnnotates forms with Autofill field type predictions.
--show-component-extension-optionsMakes component extensions appear in chrome://settings/extensions.
--show-composited-layer-bordersRenders a border around compositor layers to help debug and study layer compositing.
--show-fps-counterDraws a heads-up-display showing Frames Per Second as well as GPU memory usage. If you also use --vmodule="head*=1" then FPS will also be output to the console log.
--show-iconsSee kHideIcons.
--show-layer-animation-boundsRenders a border that represents the bounding box for the layer's animation.
--show-paint-rectsVisibly render a border around paint rects in the web page to help debug and study painting behavior.
--show-property-changed-rectsShow rects in the HUD around layers whose properties have changed.
--show-replica-screenspace-rectsShow rects in the HUD around the screen-space transformed bounds of every layer's replica, when they have one.
--show-saved-copyCommand 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-rectsShow rects in the HUD around the screen-space transformed bounds of every layer.
--show-surface-damage-rectsShow rects in the HUD around damage as it is recorded into each render surface.
--silent-debugger-extension-apiDoes not show an infobar when an extension attaches to a page using chrome.debugger page. Required to attach to extension background pages.
--silent-launchCauses Chrome to launch without opening any windows by default. Useful if one wishes to use Chrome as an ash server.
--simulate-critical-updateSimulates a critical update being available.
--simulate-elevated-recoverySimulates that elevation is needed to recover upgrade channel.
--simulate-outdatedSimulates that current version is outdated.
--simulate-outdated-no-auSimulates that current version is outdated and auto-update is off.
--simulate-printing-errorsNo description
--simulate-upgradeSimulates an update being available.
--single-processRuns the renderer and plugins in the same process as the browser
--site-per-processExperimentally enforces a one-site-per-process security policy. All cross-site navigations force process swaps, and we can restrict a renderer process's access rights based on its site. For details, see: http://www.chromium.org/developers/desi ... -isolation Unlike --enable-strict-site-isolation (which allows cross-site iframes), this flag does not affect which cookies are attached to cross-site requests. Support is being added to render cross-site iframes in a different process than their parent pages.
--skip-gpu-data-loadingSkip 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.
--slow-down-raster-scale-factorRe-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-messagesSends test messages on first call to RequestUpdate (stub only).
--spdy-proxy-auth-fallbackThe origin of the data reduction proxy fallback.
--spdy-proxy-auth-originThe origin of the data reduction proxy.
--spdy-proxy-auth-valueA test key for data reduction proxy authentication.
--spdy-proxy-dev-auth-originThe origin of the data reduction proxy dev.
--speculative-resource-prefetchingSpeculative resource prefetching.
--spelling-service-feedback-interval-seconds[13]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[13]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.
--ssl-version-fallback-minSpecifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or "tls1.2") that TLS fallback will accept.
--ssl-version-maxSpecifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or "tls1.2").
--ssl-version-minSpecifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or "tls1.2").
--ssl3These values aren't switches, but rather the values that kSSLVersionMax, kSSLVersionMin and kSSLVersionFallbackMin can have.
--stable-release-modeThis 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.
--startNo description
--start-fullscreenSpecifies if the browser should start in fullscreen mode, like if the user had pressed F11 right after startup.
--start-maximizedStarts the browser maximized, regardless of any previous settings.
--state-pathNo description
--stopNo description
--strict-layer-property-change-checkingCheck that property changes during paint do not occur.
--stub-cros-settingsIndicates that a stub implementation of CrosSettings that stores settings in memory without signing should be used, treating current user as the owner. This option is for testing the chromeos build of chrome on the desktop only.
--supports-dual-gpusIndicates whether the dual GPU switching is supported or not.
--surface-workerEnables the SurfaceWorker experiment.
--swiftshaderNo description
--swiftshader-pathNo description
--sync-allow-insecure-xmpp-connectionAllows insecure XMPP connections for sync (for testing).
--sync-deferred-startup-timeout-secondsAllows overriding the deferred init fallback timeout.
--sync-disable-deferred-startupEnables deferring sync backend initialization until user initiated changes occur.
--sync-enable-get-update-avoidanceEnables feature to avoid unnecessary GetUpdate requests.
--sync-notification-host-portOverrides the default host:port used for notifications.
--sync-short-initial-retry-overrideThis 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-urlOverrides the default server used for profile sync.
--system-developer-modeIndicates that the system is running in dev mode. The dev mode probing is done by session manager.
--tab-capture-downscale-qualityUpscale defaults to "good".
--tab-capture-upscale-qualityScaling quality for capturing tab. Should be one of "fast", "good" or "best". One flag for upscaling, one for downscaling. Upscale defaults to "best".
--test-auto-update-uiEnables testing for auto update UI.
--test-child-processWhen running certain tests that spawn child processes, this switch indicates to the test framework that the current process is a child process.
--test-gl-libFlag 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-metronome-timerEnables testing Metronome client with a periodic timer.
--test-namePasses the name of the current running automated test to Chrome.
--test-typeType of the current test harness ("browser" or "ui").
--testing-fixed-http-portAllows for forcing socket connections to http/https to use fixed ports.
--testing-fixed-https-portNo description
--tls1No description
--tls1.1No description
--tls1.2No description
--top-controls-hide-thresholdPercentage of the top controls need to be hidden before they will auto hide.
--top-controls-show-thresholdPercentage of the top controls need to be shown before they will auto show.
--touch-calibration[20]The calibration factors given as "<left>,<right>,<top>,<bottom>".
--touch-devices[21]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-eventsEnable support for touch events.
--touch-noise-filtering[20]Tells Chrome to do additional touch noise filtering. Should only be used if the driver level filtering is insufficient.
--trace-shutdownCauses 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-fileIf 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-startupStarts tracing when the shell starts up, saving a trace file on disk after 5 seconds or when the shell exits.
--trace-startup-durationSets 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-fileIf 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-consoleSends a pretty-printed version of tracing info to the console.
--trace-to-fileSends trace events from these categories to a file. --trace-to-file on its own sends to default categories.
--trace-to-file-nameSpecifies the file name for --trace-to-file. If unspecified, it will go to a default file name.
--trace-upload-urlSets the target URL for uploading tracing data.
--translate-script-urlOverrides the default server used for Google Translate.
--translate-security-originOverrides security-origin with which Translate runs in an isolated world.
--trusted-spdy-proxyDisables same-origin check on HTTP resources pushed via a SPDY proxy. The value is the host:port of the trusted proxy.
--try-chrome-againExperimental. Shows a dialog asking the user to try chrome. This flag is to be used only by the upgrade process.
--try-supported-channel-layouts[4]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.
--ttlNo description
--typeThe value of this switch determines whether the process is started as a renderer or plugin host. If it's empty, it's the browser.
--ui-disable-partial-swapDisable partial swap which is needed for some OpenGL drivers / emulators.
--ui-disable-threaded-compositingNo description
--ui-enable-compositor-animation-timelinesNo description
--ui-enable-impl-side-paintingNo description
--ui-enable-zero-copyNo description
--ui-show-fps-counterNo description
--ui-show-layer-animation-boundsNo description
--ui-show-layer-bordersNo description
--ui-show-paint-rectsNo description
--ui-show-property-changed-rectsNo description
--ui-show-replica-screenspace-rectsNo description
--ui-show-screenspace-rectsNo description
--ui-show-surface-damage-rectsNo description
--unicast-respondNo description
--uninstallNo description
--unlimited-storageOverrides per-origin quota settings to unlimited storage for any apps/origins. This should be used only for testing purpose.
--url-mappingsSpecifies a set of mappings to apply when resolving urls. The value is a set of ',' separated mappings, where each mapping consists of a pair of urls giving the to/from url to map. For example, 'a=b,c=d' contains two mappings, the first maps 'a' to 'b' and the second 'c' to 'd'.
--use-cras[22]Use CRAS, the ChromeOS audio server.
--use-fake-device-for-media-streamUse fake device for Media Stream to replace actual camera and microphone.
--use-fake-ui-for-media-streamBypass 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-capturePlay 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.
--use-file-for-fake-video-captureUse an .y4m file to play as the webcam. See the comments in media/video/capture/file_video_capture_device.h for more details.
--use-glSelect 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.
--use-gpu-in-testsUse hardware gpu, if available, for tests.
--use-image-texture-targetOverrides the default texture target used with CHROMIUM_image extension.
--use-mobile-user-agentSet when Chromium should use a mobile user agent.
--use-mock-keychain[3]No description
--use-nacl-helper-nonsfiUse nacl_helper_nonsfi executable (the new, newlib-based version of the Non-SFI runtime) to run Non-SFI nexe, instead of nacl_helper executable (which uses the older, glib-based runtime for Non-SFI mode). TODO(hidehiko): Make this default and then remove this flag after nacl_helper_nonsfi is supported.
--use-normal-priority-for-tile-task-worker-threadsUse normal priority for tile task worker threads. Otherwise they may be run at background priority on some platforms.
--use-simple-cache-backendUses experimental simple cache backend if possible.
--use-spdyUses Spdy for the transport protocol instead of HTTP. This is a temporary testing flag.
--use-surfacesUse the new surfaces system to handle compositor delegation.
--use-warpOn Windows only: use the WARP software rasterizer in the GPU process.
--user-agentA string used to override the default user agent with a custom one.
--user-data-dirSpecifies the user data directory, which is where the browser will look for all of its state.
--utilityCauses the process to run as a utility subprocess.
--utility-allowed-dirThe utility process is sandboxed, with access to one directory. This flag specifies the directory that can be accessed.
--utility-cmd-prefixThe contents of this flag are prepended to the utility process command line. Useful values might be "valgrind" or "xterm -e gdb --args".
--utility-enable-mdnsAllows MDns to access network in sandboxed process.
--utility-run-elevatedNo description
--vThis controls logging verbosity. It's not strictly a switch for mojo_shell, and isn't included in the public switches, but is included here so that it doesn't trigger an error at startup.
--v8-cache-optionsSet options to cache V8 data. (off, preparse data, or code)
--v8-pac-mojo-in-processEnables using an in-process Mojo service for the v8 proxy resolver.
--v8-pac-mojo-out-of-processEnables using an out-of-process Mojo service for the v8 proxy resolver.
--validate-crxExamines a .crx for validity and prints the result.
--validate-input-event-streamIn debug builds, asserts that the stream of input events is valid.
--variations-server-urlSpecifies 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.
--versionPrints version information and quits.
--video-threadsSet number of threads to use for video decoding.
--video-underflow-threshold-msAllows 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.
--viewer-launch-via-appid[4]Requests that Chrome launch the Metro viewer process via the given appid (which is assumed to be registered as default browser) and synchronously connect to it.
--vmoduleGives 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-debuggerWill wait for 60 seconds for a debugger to come to attach to the process.
--wait-for-debugger-childrenWill 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.
--wait-for-mutex[4]Waits for the given handle to be signaled before relaunching metro Chrome on Windows 8 and higher.
--wake-on-packetsEnables waking the device based on the receipt of some network packets.
--wallet-secure-service-urlSecure service URL for Online Wallet service. Used as the base url to escrow credit card numbers.
--wallet-service-urlService URL for Online Wallet service. Used as the base url for Online Wallet API calls.
--wallet-service-use-sandboxUse the sandbox Online Wallet service URL (for developer testing).
--waveout-buffers[4]Number of buffers to use for WaveOut.
--whitelisted-extension-idAdds the given extension ID to all the permission whitelists.
--win-jumplist-actionSpecifies which category option was clicked in the Windows Jumplist that resulted in a browser startup.
--window-positionSpecify the initial window position: --window-position=x,y
--window-sizeSpecify the initial window size: --window-size=w,h
--windows8-search[4]Indicates that chrome was launched to service a search request in Windows 8.
--winhttp-proxy-resolverUses 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-disabledIf present animations are disabled.
--zygoteCauses the process to run as a renderer zygote.


How to use a command line switch?
The Chromium Team has made a page on which they briefly explain how to use these switches.

Conditions
These are rather technical. While most are pretty self-explanatory, keep in mind that any condition means that a switch isn't always available.

  1. The constant ENABLE_PLUGINS must be defined.
  2. The constants OS_FREEBSD, OS_LINUX and OS_SOLARIS must be defined.
  3. The constant OS_MACOSX must be defined.
  4. The constant OS_WIN must be defined.
  5. The constant OS_CHROMEOS must be defined.
  6. The constant OFFICIAL_BUILD must not be defined, and the constant ENABLE_PRINT_PREVIEW must be defined.
  7. The constant OS_ANDROID must be defined.
  8. The constant OS_IOS must not be defined, and the constant OS_MACOSX must be defined.
  9. The constant ENABLE_WEBRTC must be defined.
  10. The constant OS_CHROMEOS must not be defined.
  11. The constant OS_POSIX must be defined.
  12. The constant OS_CHROMEOS must not be defined, and the constant OS_LINUX must be defined.
  13. The constant ENABLE_SPELLCHECK must be defined.
  14. The constant OS_CHROMEOS must not be defined, and the constant USE_X11 must be defined.
  15. The constants ENABLE_WEBRTC and OS_MACOSX must be defined.
  16. The constants OS_ANDROID and OS_IOS must be defined.
  17. The constant NDEBUG must not be defined.
  18. The constant USE_ASH must be defined.
  19. The constants OS_CHROMEOS and OS_MACOSX must not be defined, and the constant OS_POSIX must be defined.
  20. The constants USE_OZONE and USE_X11 must be defined.
  21. The constant OS_LINUX must be defined.
  22. The constant USE_CRAS must be defined.

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