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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/common/chrome_switches.h"
#include "base/base_switches.h"
#include "base/command_line.h"
namespace switches {
// -----------------------------------------------------------------------------
// Can't find the switch you are looking for? Try looking in:
// ash/
// base/
// chromeos/
// etc.
// When commenting your switch, please use the same voice as surrounding
// comments. Imagine "This switch..." at the beginning of the phrase, and it'll
// all work out.
// -----------------------------------------------------------------------------
// Allows third-party content included on a page to prompt for a HTTP basic
// auth username/password pair.
const char kAllowCrossOriginAuthPrompt[] = "allow-cross-origin-auth-prompt";
// On ChromeOS, file:// access is disabled except for certain whitelisted
// directories. This switch re-enables file:// for testing.
const char kAllowFileAccess[] = "allow-file-access";
// Allow non-secure origins to use the screen capture API and the desktopCapture
// extension API.
const char kAllowHttpScreenCapture[] = "allow-http-screen-capture";
#if defined(ENABLE_PLUGINS)
// Specifies comma-separated list of extension ids or hosts to grant
// access to CRX file system APIs.
const char kAllowNaClCrxFsAPI[] = "allow-nacl-crxfs-api";
// Specifies comma-separated list of extension ids or hosts to grant
// access to file handle APIs.
const char kAllowNaClFileHandleAPI[] = "allow-nacl-file-handle-api";
// Specifies comma-separated list of extension ids or hosts to grant
// access to TCP/UDP socket APIs.
const char kAllowNaClSocketAPI[] = "allow-nacl-socket-api";
// Don't block outdated plugins.
const char kAllowOutdatedPlugins[] = "allow-outdated-plugins";
// By default, an https page cannot run JavaScript, CSS or plug-ins from http
// URLs. This provides an override to get the old insecure behavior.
const char kAllowRunningInsecureContent[] = "allow-running-insecure-content";
// Specifies 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.
const char kAlternateProtocolProbabilityThreshold[] =
// Prevents Chrome from requiring authorization to run certain widely installed
// but less commonly used plug-ins.
const char kAlwaysAuthorizePlugins[] = "always-authorize-plugins";
// Specifies that the extension-app with the specified id should be launched
// according to its configuration.
const char kAppId[] = "app-id";
// Specifies that the associated value should be launched in "application"
// mode.
const char kApp[] = "app";
// Specifies an URL to use for app list start page.
const char kAppListStartPageURL[] = "app-list-start-page-url";
// Overrides the apps checkout URL, which is used to determine when to expose
// some private APIs.
const char kAppsCheckoutURL[] = "apps-checkout-url";
// The URL that the webstore APIs download extensions from.
// Note: the URL must contain one '%s' for the extension ID.
const char kAppsGalleryDownloadURL[] = "apps-gallery-download-url";
// The URL to use for the gallery link in the app launcher.
const char kAppsGalleryURL[] = "apps-gallery-url";
// The update url used by gallery/webstore extensions.
const char kAppsGalleryUpdateURL[] = "apps-gallery-update-url";
// Value of GAIA auth code for --force-app-mode.
const char kAppModeAuthCode[] = "app-mode-auth-code";
// Value of OAuth2 refresh token for --force-app-mode.
const char kAppModeOAuth2Token[] = "app-mode-oauth-token";
// Enables overriding the path for the default authentication extension.
const char kAuthExtensionPath[] = "auth-ext-path";
// Whitelist of servers that Negotiate will generate delegated Kerberos tickets
// for.
const char kAuthNegotiateDelegateWhitelist[] =
// HTTP authentication schemes to enable. This is a comma-separated list of
// authentication schemes (basic, digest, ntlm, and negotiate). By default all
// schemes are enabled. The primary use of this command line flag is to help
// triage authentication-related issues reported by end-users.
const char kAuthSchemes[] = "auth-schemes";
// Whitelist of servers which NTLM and Negotiate can automatically authenticate
// with using the default credentials of the currently logged in user.
const char kAuthServerWhitelist[] = "auth-server-whitelist";
// A flag that is used to tell Chrome that it was launched automatically at
// computer startup and not by some user action.
const char kAutoLaunchAtStartup[] = "auto-launch-at-startup";
// Certificate 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.
const char kCertificateTransparencyLog[] =
// How often (in seconds) to check for updates. Should only be used for testing
// purposes.
const char kCheckForUpdateIntervalSec[] = "check-for-update-interval";
// Checks the cloud print connector policy, informing the service process if
// the policy is set to disallow the connector, then quits.
const char kCheckCloudPrintConnectorPolicy[] =
// Comma-separated list of SSL cipher suites to disable.
const char kCipherSuiteBlacklist[] = "cipher-suite-blacklist";
// Tells chrome to display the cloud print dialog and upload the specified file
// for printing.
const char kCloudPrintFile[] = "cloud-print-file";
// Specifies the mime type to be used when uploading data from the file
// referenced by cloud-print-file. Defaults to "application/pdf" if
// unspecified.
const char kCloudPrintFileType[] = "cloud-print-file-type";
// Used with kCloudPrintFile to specify a JSON print ticket for the resulting
// print job. Defaults to null if unspecified.
const char kCloudPrintPrintTicket[] = "cloud-print-print-ticket";
// Used with kCloudPrintFile to specify a title for the resulting print job.
const char kCloudPrintJobTitle[] = "cloud-print-job-title";
// Setup cloud print proxy for provided printers. This does not start
// service or register proxy for autostart.
const char kCloudPrintSetupProxy[] = "cloud-print-setup-proxy";
// Comma-separated list of BrowserThreads that cause browser process to crash
// if the given browser thread is not responsive. UI,IO,DB,FILE,CACHE are the
// list of BrowserThreads that are supported.
// For example:
// --crash-on-hang-threads=UI:3:18,IO:3:18 --> Crash the browser if UI or IO
// is not responsive for 18 seconds and the number of browser threads that
// are responding is less than or equal to 3.
const char kCrashOnHangThreads[] = "crash-on-hang-threads";
// Some platforms like ChromeOS default to empty desktop.
// Browser tests may need to add this switch so that at least one browser
// instance is created on startup.
// TODO(nkostylev): Investigate if this switch could be removed.
// (
const char kCreateBrowserOnStartupForTests[] =
// Specifies the chrome-extension:// URL for the contents of an additional page
// added to the experimental app launcher.
const char kCustomLauncherPage[] = "custom-launcher-page";
// Enables a frame context menu item that toggles the frame in and out of glass
// mode (Windows Vista and up only).
const char kDebugEnableFrameToggle[] = "debug-enable-frame-toggle";
// Adds debugging entries such as Inspect Element to context menus of packed
// apps.
const char kDebugPackedApps[] = "debug-packed-apps";
// Triggers a plethora of diagnostic modes.
const char kDiagnostics[] = "diagnostics";
// Sets the output format for diagnostic modes enabled by diagnostics flag.
const char kDiagnosticsFormat[] = "diagnostics-format";
// Tells the diagnostics mode to do the requested recovery step(s).
const char kDiagnosticsRecovery[] = "diagnostics-recovery";
// When kEnableSettingsWindow is used, About is shown as an overlay in Settings
// instead of as a separate page, unless this flag is specified.
const char kDisableAboutInSettings[] = "disable-about-in-settings";
// Disables the experimental asynchronous DNS client.
const char kDisableAsyncDns[] = "disable-async-dns";
// Disables CNAME lookup of the host when generating the Kerberos SPN for a
// Negotiate challenge. See HttpAuthHandlerNegotiate::CreateSPN for more
// background.
const char kDisableAuthNegotiateCnameLookup[] =
// Disable several subsystems which run network requests in the background.
// This is for use when doing network performance testing to avoid noise in the
// measurements.
const char kDisableBackgroundNetworking[] = "disable-background-networking";
// Disables the bundled PPAPI version of Flash.
const char kDisableBundledPpapiFlash[] = "disable-bundled-ppapi-flash";
// Disables the client-side phishing detection feature. Note that even if
// client-side phishing detection is enabled, it will only be active if the
// user has opted in to UMA stats and SafeBrowsing is enabled in the
// preferences.
const char kDisableClientSidePhishingDetection[] =
// Disable default component extensions with background pages - useful for
// performance tests where these pages may interfere with perf results.
const char kDisableComponentExtensionsWithBackgroundPages[] =
const char kDisableComponentUpdate[] = "disable-component-update";
// Disables installation of default apps on first run. This is used during
// automated testing.
const char kDisableDefaultApps[] = "disable-default-apps";
// Disables device discovery notifications.
const char kDisableDeviceDiscoveryNotifications[] =
// Disables Domain Reliability Monitoring.
const char kDisableDomainReliability[] = "disable-domain-reliability";
// Disable extensions.
const char kDisableExtensions[] = "disable-extensions";
// Disable checking for user opt-in for extensions that want to inject script
// into file URLs (ie, always allow it). This is used during automated testing.
const char kDisableExtensionsFileAccessCheck[] =
// Disable the net::URLRequestThrottlerManager functionality for
// requests originating from extensions.
const char kDisableExtensionsHttpThrottling[] =
// Don't resolve hostnames to IPv6 addresses. This can be used when debugging
// issues relating to IPv6, but shouldn't otherwise be needed. Be sure to file
// bugs if something isn't working properly in the presence of IPv6. This flag
// can be overidden by the "enable-ipv6" flag.
const char kDisableIPv6[] = "disable-ipv6";
// Disable the behavior that the second click on a launcher item (the click when
// the item is already active) minimizes the item.
const char kDisableMinimizeOnSecondLauncherItemClick[] =
// Disables the menu on the NTP for accessing sessions from other devices.
const char kDisableNTPOtherSessionsMenu[] = "disable-ntp-other-sessions-menu";
// Disables the Material Design NTP.
const char kDisableMaterialDesignNTP[] = "disable-material-design-ntp";
// Disable auto-reload of error pages if offline.
const char kDisableOfflineAutoReload[] = "disable-offline-auto-reload";
// Disable only auto-reloading error pages when the tab is visible.
const char kDisableOfflineAutoReloadVisibleOnly[] =
// Disable the origin chip.
const char kDisableOriginChip[] = "disable-origin-chip";
// Disable the setting to prompt the user for their OS account password before
// revealing plaintext passwords in the password manager.
const char kDisablePasswordManagerReauthentication[] =
// Enables searching for people from the apps list search box.
const char kDisablePeopleSearch[] = "disable-people-search";
// Don't use bubbles for content permissions requests instead of infobars.
const char kDisablePermissionsBubbles[] = "disable-permissions-bubbles";
// Disable pop-up blocking.
const char kDisablePopupBlocking[] = "disable-popup-blocking";
// Disable speculative TCP/IP preconnection.
const char kDisablePreconnect[] = "disable-preconnect";
// Disable prerendering based on local browsing history.
const char kDisablePrerenderLocalPredictor[] =
// Disables print preview (For testing, and for users who don't like us. :[ )
const char kDisablePrintPreview[] = "disable-print-preview";
// Normally when the user attempts to navigate to a page that was the result of
// a post we prompt to make sure they want to. This switch may be used to
// disable that check. This switch is used during automated testing.
const char kDisablePromptOnRepost[] = "disable-prompt-on-repost";
// Disables support for the QUIC protocol.
const char kDisableQuic[] = "disable-quic";
// Disable use of pacing of QUIC packets.
// This only has an effect if QUIC protocol is enabled.
const char kDisableQuicPacing[] = "disable-quic-pacing";
// Disable use of Chromium's port selection for the ephemeral port via bind().
// This only has an effect if QUIC protocol is enabled.
const char kDisableQuicPortSelection[] = "disable-quic-port-selection";
// Disable use of time-base loss detection for QUIC connections.
// This only has an effect if QUIC protocol is enabled.
const char kDisableQuicTimeBasedLossDetection[] =
// Prevents the save password bubble from being enabled.
const char kDisableSavePasswordBubble[] = "disable-save-password-bubble";
// Disables throttling prints initiated by scripts.
const char kDisableScriptedPrintThrottling[] =
// Disables the "search button in omnibox" experiment.
const char kDisableSearchButtonInOmnibox[] =
// Disables using bubbles for session restore request.
const char kDisableSessionCrashedBubble[] = "disable-session-crashed-bubble";
// Disable SPDY/3.1. This is a temporary testing flag.
const char kDisableSpdy31[] = "disable-spdy31";
// Disables the suggestions service.
const char kDisableSuggestionsService[] = "disable-suggestions-service";
// Disables syncing browser data to a Google Account.
const char kDisableSync[] = "disable-sync";
// Disable synced notifications.
const char kDisableSyncSyncedNotifications[] =
// Disables 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'
const char kDisableSyncTypes[] = "disable-sync-types";
// Disables the backend service for web resources.
const char kDisableWebResources[] = "disable-web-resources";
// Some tests seem to require the application to close when the last
// browser window is closed. Thus, we need a switch to force this behavior
// for ChromeOS Aura, disable "zero window mode".
// TODO(pkotwicz): Investigate if this bug can be removed.
// (
const char kDisableZeroBrowsersOpenForTests[] =
// Use a specific disk cache location, rather than one derived from the
// UserDatadir.
const char kDiskCacheDir[] = "disk-cache-dir";
// Forces the maximum disk space to be used by the disk cache, in bytes.
const char kDiskCacheSize[] = "disk-cache-size";
const char kDnsLogDetails[] = "dns-log-details";
// Disables prefetching of DNS information.
const char kDnsPrefetchDisable[] = "dns-prefetch-disable";
// Requests that a running browser process dump its collected histograms to a
// given file. The file is overwritten if it exists.
const char kDumpBrowserHistograms[] = "dump-browser-histograms";
// Overrides the path of Easy Unlock component app.
extern const char kEasyUnlockAppPath[] = "easy-unlock-app-path";
// If set, the app list will be enabled as if enabled from CWS.
const char kEnableAppList[] = "enable-app-list";
// Enables the <appview> tag in platform apps.
const char kEnableAppView[] = "enable-app-view";
// Enables the <window-controls> tag in platform apps.
const char kEnableAppWindowControls[] = "enable-app-window-controls";
// Enable OS integration for Chrome app file associations.
const char kEnableAppsFileAssociations[] = "enable-apps-file-associations";
// Show 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.
const char kEnableAppsShowOnFirstPaint[] = "enable-apps-show-on-first-paint";
// Enables the experimental asynchronous DNS client.
const char kEnableAsyncDns[] = "enable-async-dns";
// Enables the inclusion of non-standard ports when generating the Kerberos SPN
// in response to a Negotiate challenge. See
// HttpAuthHandlerNegotiate::CreateSPN for more background.
const char kEnableAuthNegotiatePort[] = "enable-auth-negotiate-port";
// Enables the benchmarking extensions.
const char kEnableBenchmarking[] = "enable-benchmarking";
// Enables client hints, which adds hints about browser state to HTTP requests.
const char kEnableClientHints[] = "enable-client-hints";
// Enables the multi-level undo system for bookmarks.
const char kEnableBookmarkUndo[] = "enable-bookmark-undo";
// This applies only when the process type is "service". Enables the Cloud
// Print Proxy component within the service process.
const char kEnableCloudPrintProxy[] = "enable-cloud-print-proxy";
// If true devtools experimental settings are enabled.
const char kEnableDevToolsExperiments[] = "enable-devtools-experiments";
// Enable device discovery notifications.
const char kEnableDeviceDiscoveryNotifications[] =
// Enables the DOM distiller.
const char kEnableDomDistiller[] = "enable-dom-distiller";
// Enables Domain Reliability Monitoring.
const char kEnableDomainReliability[] = "enable-domain-reliability";
// Enable Enhanced Bookmarks.
const char kEnhancedBookmarksExperiment[] = "enhanced-bookmarks-experiment";
// Enables experimentation with ephemeral apps, which are launched without
// installing in Chrome.
const char kEnableEphemeralApps[] = "enable-ephemeral-apps";
// Enables experimental hotword detection features.
const char kEnableExperimentalHotwording[] = "enable-experimental-hotwording";
// Enables logging for extension activity.
const char kEnableExtensionActivityLogging[] =
const char kEnableExtensionActivityLogTesting[] =
// Enable the fast unload controller, which speeds up tab/window close by
// running a tab's onunload js handler independently of the GUI -
// .
const char kEnableFastUnload[] = "enable-fast-unload";
// Enables 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.
const char kEnableIPv6[] = "enable-ipv6";
// Enables experimentation with launching ephemeral apps via hyperlinks.
const char kEnableLinkableEphemeralApps[] = "enable-linkable-ephemeral-apps";
// Runs the Native Client inside the renderer process and enables GPU plugin
// (internally adds lEnableGpuPlugin to the command line).
const char kEnableNaCl[] = "enable-nacl";
// Enables the network-related benchmarking extensions.
const char kEnableNetBenchmarking[] = "enable-net-benchmarking";
// Enables the Material Design NTP.
const char kEnableMaterialDesignNTP[] = "enable-material-design-ntp";
// Enables NPN with HTTP. It means NPN is enabled but SPDY won't be used.
// HTTP is still used for all requests.
const char kEnableNpnHttpOnly[] = "enable-npn-http";
// Enable auto-reload of error pages if offline.
const char kEnableOfflineAutoReload[] = "enable-offline-auto-reload";
// Only auto-reload error pages when the tab is visible.
const char kEnableOfflineAutoReloadVisibleOnly[] =
// Enable/Disable offering a "Load stale copy" option to the user if offline.
const char kEnableOfflineLoadStaleCache[] = "enable-offline-load-stale-cache";
const char kDisableOfflineLoadStaleCache[] =
// Controls which branch of the origin chip in location bar experiment is
// enabled.
// We're using independent flags here (as opposed to a common flag with
// different values) to be able to enable/disable the entire experience
// associated with this feature server-side from the FieldTrial (the complete
// experience includes other flag changes as well). It is not currently possible
// to do that with "flag=value" flags.
const char kEnableOriginChipAlways[] = "enable-origin-chip-always";
const char kEnableOriginChipOnSrp[] = "enable-origin-chip-on-srp";
// Enables panels (always on-top docked pop-up windows).
const char kEnablePanels[] = "enable-panels";
// Enables presenting plugin placeholder content as shadow DOM.
const char kEnablePluginPlaceholderShadowDom[] =
// Enables showing unregistered printers in print preview
const char kEnablePrintPreviewRegisterPromos[] =
// Enable Privet storage.
const char kEnablePrivetStorage[] = "enable-privet-storage";
// Enables tracking of tasks in profiler for viewing via about:profiler.
// To predominantly disable tracking (profiling), use the command line switch:
// --enable-profiling=0
// Some tracking will still take place at startup, but it will be turned off
// during chrome_browser_main.
const char kEnableProfiling[] = "enable-profiling";
// Enables showing a prominent UI for initiating the URL app creation flow.
const char kEnableProminentURLAppFlow[] = "enable-prominent-url-app-flow";
// Enables query in the omnibox.
const char kEnableQueryExtraction[] = "enable-query-extraction";
// Enables support for the QUIC protocol. This is a temporary testing flag.
const char kEnableQuic[] = "enable-quic";
// Disable use of pacing of QUIC packets.
// This only has an effect if QUIC protocol is enabled.
const char kEnableQuicPacing[] = "enable-quic-pacing";
// Enable use of Chromium's port selection for the ephemeral port via bind().
// This only has an effect if QUIC protocol is enabled.
const char kEnableQuicPortSelection[] = "enable-quic-port-selection";
// Enables use of time-base loss detection for QUIC connections.
// This only has an effect if QUIC protocol is enabled.
const char kEnableQuicTimeBasedLossDetection[] =
// Enables save password prompt bubble.
const char kEnableSavePasswordBubble[] = "enable-save-password-bubble";
// Enables SDCH for https schemes.
const char kEnableSdchOverHttps[] = "enable-sdch-over-https";
// Controls which branch of the "search button in omnibox" experiment is
// enabled.
// We're using independent flags here (as opposed to a common flag with
// different values) to be able to enable/disable the entire experience
// associated with this feature server-side from the FieldTrial (the complete
// experience includes other flag changes as well). It is not currently possible
// to do that with "flag=value" flags.
const char kEnableSearchButtonInOmniboxAlways[] =
const char kEnableSearchButtonInOmniboxForStr[] =
const char kEnableSearchButtonInOmniboxForStrOrIip[] =
// Enables using bubbles for session restore request instead of infobars.
const char kEnableSessionCrashedBubble[] = "enable-session-crashed-bubble";
// Enables the deprecated window.showModalDialog API. This is slated for
// removal.
const char kEnableShowModalDialog[] = "enable-show-modal-dialog";
// Enable or disable settings in a separate browser window per profile
// (see SettingsWindowEnabled() below).
const char kEnableSettingsWindow[] = "enable-settings-window";
const char kDisableSettingsWindow[] = "disable-settings-window";
// Enable SPDY/4, aka HTTP/2. This is a temporary testing flag.
const char kEnableSpdy4[] = "enable-spdy4";
// Enables auto correction for misspelled words.
const char kEnableSpellingAutoCorrect[] = "enable-spelling-auto-correct";
// Enables participation in the field trial for user feedback to spelling
// service.
const char kEnableSpellingFeedbackFieldTrial[] =
// Enables a feature that holds back some SSLConnectJobs in order to
// minimize the number of full SSL handshakes completed.
const char kEnableSSLConnectJobWaiting[] = "enable-ssl-connect-job-waiting";
// Enables an experimental hosted app experience.
const char kEnableStreamlinedHostedApps[] = "enable-streamlined-hosted-apps";
// Enables the suggestions service.
const char kEnableSuggestionsService[] = "enable-suggestions-service";
// Enables synced notifications.
const char kEnableSyncSyncedNotifications[] =
// Enables synced articles.
const char kEnableSyncArticles[] = "enable-sync-articles";
// Enables fanciful thumbnail processing. Used with NTP for
// instant-extended-api, where thumbnails are generally smaller.
const char kEnableThumbnailRetargeting[] = "enable-thumbnail-retargeting";
// Enables Translate experimental new UX which replaces the infobar.
const char kEnableTranslateNewUX[] = "enable-translate-new-ux";
// Enables Alternate-Protocol when the port is user controlled (> 1024).
const char kEnableUserAlternateProtocolPorts[] =
// Uses WebSocket over SPDY.
const char kEnableWebSocketOverSpdy[] = "enable-websocket-over-spdy";
// Enables the Website Settings page on the Settings page.
const char kEnableWebsiteSettingsManager[] = "enable-website-settings-manager";
// Explicitly allows additional ports using a comma-separated list of port
// numbers.
const char kExplicitlyAllowedPorts[] = "explicitly-allowed-ports";
// Values for the kExtensionContentVerification flag.
// See ContentVerifierDelegate::Mode for more explanation.
const char kExtensionContentVerificationBootstrap[] = "bootstrap";
const char kExtensionContentVerificationEnforceStrict[] = "enforce_strict";
const char kExtensionContentVerificationEnforce[] = "enforce";
// Name of the command line flag to force content verification to be on in one
// of various modes.
const char kExtensionContentVerification[] = "extension-content-verification";
// Turns on extension install verification if it would not otherwise have been
// turned on.
const char kExtensionsInstallVerification[] = "extensions-install-verification";
// Specifies a comma-separated list of extension ids that should be forced to
// be treated as not from the webstore when doing install verification.
const char kExtensionsNotWebstore[] = "extensions-not-webstore";
// Frequency in seconds for Extensions auto-update.
const char kExtensionsUpdateFrequency[] = "extensions-update-frequency";
// Fakes the channel of the browser for purposes of Variations filtering. This
// is to be used for testing only. Possible values are "stable", "beta", "dev"
// and "canary". Note that this only applies if the browser's reported channel
// is UNKNOWN.
const char kFakeVariationsChannel[] = "fake-variations-channel";
// If this flag is present then this command line is being delegated to an
// already running chrome process via the fast path, ie: before chrome.dll is
// loaded. It is useful to tell the difference for tracking purposes.
const char kFastStart[] = "fast-start";
// These two flags are added around the switches about:flags adds to the
// command line. This is useful to see which switches were added by about:flags
// on about:version. They don't have any effect.
const char kFlagSwitchesBegin[] = "flag-switches-begin";
const char kFlagSwitchesEnd[] = "flag-switches-end";
// Forces application mode. This hides certain system UI elements and forces
// the app to be installed if it hasn't been already.
const char kForceAppMode[] = "force-app-mode";
// Displays the First Run experience when the browser is started, regardless of
// whether or not it's actually the First Run (this overrides kNoFirstRun).
const char kForceFirstRun[] = "force-first-run";
// Forces additional Chrome Variation Ids that will be sent in X-Client-Data
// header, specified as a 64-bit encoded list of numeric experiment ids. Ids
// prefixed with the character "t" will be treated as Trigger Variation Ids.
const char kForceVariationIds[] = "force-variation-ids";
// Specifies a custom name for the GSSAPI library to load.
const char kGSSAPILibraryName[] = "gssapi-library-name";
// These flags show the man page on Linux. They are equivalent to each
// other.
const char kHelp[] = "help";
const char kHelpShort[] = "h";
// Makes Windows happy by allowing it to show "Enable access to this program"
// checkbox in Add/Remove Programs->Set Program Access and Defaults. This only
// shows an error box because the only way to hide Chrome is by uninstalling
// it.
const char kHideIcons[] = "hide-icons";
// Enables grouping websites by domain and filtering them by period.
const char kHistoryEnableGroupByDomain[] = "enable-grouped-history";
// Specifies which page will be displayed in newly-opened tabs. We need this
// for testing purposes so that the UI tests don't depend on what comes up for
const char kHomePage[] = "homepage";
// Comma-separated list of rules that control how hostnames are mapped.
// For example:
// "MAP *" --> Forces all hostnames to be mapped to
// "MAP * proxy" --> Forces all subdomains to be
// resolved to "proxy".
// "MAP [::1]:77 --> Forces "" to resolve to IPv6 loopback.
// Will also force the port of the resulting
// socket address to be 77.
// "MAP * baz, EXCLUDE" --> Remaps everything to "baz",
// except for "".
// 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).
const char kHostRules[] = "host-rules";
// The maximum number of concurrent host resolve requests (i.e. DNS) to allow
// (not counting backup attempts which would also consume threads).
// --host-resolver-retry-attempts must be set to zero for this to be exact.
const char kHostResolverParallelism[] = "host-resolver-parallelism";
// The maximum number of retry attempts to resolve the host. Set this to zero
// to disable host resolver retry attempts.
const char kHostResolverRetryAttempts[] = "host-resolver-retry-attempts";
// Causes net::URLFetchers to ignore requests for SSL client certificates,
// causing them to attempt an unauthenticated SSL/TLS session. This is intended
// for use when testing various service URLs (eg: kPromoServerURL, kSbURLPrefix,
// kSyncServiceURL, etc)
const char kIgnoreUrlFetcherCertRequests[] =
// Causes the browser to launch directly in incognito mode.
const char kIncognito[] = "incognito";
// Causes Chrome to initiate an installation flow for the given app.
const char kInstallChromeApp[] = "install-chrome-app";
// Causes 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.
const char kInstallFromWebstore[] = "install-from-webstore";
// Marks a renderer as an Instant process.
const char kInstantProcess[] = "instant-process";
// Invalidation service should use GCM network channel even if experiment is not
// enabled.
const char kInvalidationUseGCMChannel[] = "invalidation-use-gcm-channel";
// Specifies the testcase used by the IPC fuzzer.
const char kIpcFuzzerTestcase[] = "ipc-fuzzer-testcase";
// Used for testing - keeps browser alive after last browser window closes.
const char kKeepAliveForTest[] = "keep-alive-for-test";
// Enable Kiosk mode.
const char kKioskMode[] = "kiosk";
// Print automatically in kiosk mode. |kKioskMode| must be set as well.
// See
const char kKioskModePrinting[] = "kiosk-printing";
// Address for the ledger (Copresence) server.
// Ledger is deprecated; use the chrome.copresence API instead.
const char kLedgerServer[] = "ledger-server";
// Tracing token for calls to the ledger (Copresence) server.
// Ledger is deprecated; use the chrome.copresence API instead.
const char kLedgerTracingToken[] = "ledger-tracing-token";
// Causes Chrome to attempt to get metadata from the webstore for the
// given item, and then prompt the user to download and install it.
const char kLimitedInstallFromWebstore[] = "limited-install-from-webstore";
// Comma-separated list of directories with component extensions to load.
const char kLoadComponentExtension[] = "load-component-extension";
// Loads an extension from the specified directory.
const char kLoadExtension[] = "load-extension";
// Makes Chrome default browser
const char kMakeDefaultBrowser[] = "make-default-browser";
// Use to opt-in user into Finch experiment groups.
const char kManualEnhancedBookmarks[] = "manual-enhanced-bookmarks";
const char kManualEnhancedBookmarksOptout[] =
// Forces the maximum disk space to be used by the media cache, in bytes.
const char kMediaCacheSize[] = "media-cache-size";
// Enables 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.
const char kMessageLoopHistogrammer[] = "message-loop-histogrammer";
// Enables the recording of metrics reports but disables reporting. In contrast
// to kDisableMetrics, this executes all the code that a normal client would
// use for reporting, except the report is dropped rather than sent to the
// server. This is useful for finding issues in the metrics code during UI and
// performance tests.
const char kMetricsRecordingOnly[] = "metrics-recording-only";
// Sets the base logging level for the net log. Log 0 logs the most data.
// Intended primarily for use with --log-net-log.
const char kNetLogLevel[] = "net-log-level";
// Disables the default browser check. Useful for UI/browser tests where we
// want to avoid having the default browser info-bar displayed.
const char kNoDefaultBrowserCheck[] = "no-default-browser-check";
// By 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.
const char kNoDisplayingInsecureContent[] = "no-displaying-insecure-content";
// Don't record/playback events when using record & playback.
const char kNoEvents[] = "no-events";
// Disables all experiments set on about:flags. Does not disable about:flags
// itself. Useful if an experiment makes chrome crash at startup: One can start
// chrome with --no-experiments, disable the problematic lab at about:flags and
// then restart chrome without this switch again.
const char kNoExperiments[] = "no-experiments";
// Skip First Run tasks, whether or not it's actually the First Run. Overridden
// by kForceFirstRun. This does not drop the First Run sentinel and thus doesn't
// prevent first run from occuring the next time chrome is launched without this
// flag.
const char kNoFirstRun[] = "no-first-run";
// Whether or not the browser should warn if the profile is on a network share.
// This flag is only relevant for Windows currently.
const char kNoNetworkProfileWarning[] = "no-network-profile-warning";
// Don't send hyperlink auditing pings
const char kNoPings[] = "no-pings";
// Don't use a proxy server, always make direct connections. Overrides any
// other proxy server flags that are passed.
const char kNoProxyServer[] = "no-proxy-server";
// Disables the service process from adding itself as an autorun process. This
// does not delete existing autorun registrations, it just prevents the service
// from registering a new one.
const char kNoServiceAutorun[] = "no-service-autorun";
// Does not automatically open a browser window on startup (used when
// launching Chrome for the purpose of hosting background apps).
const char kNoStartupWindow[] = "no-startup-window";
// Disables checking whether we received an acknowledgment when registering
// a supervised user. Also disables the timeout during registration that waits
// for the ack. Useful when debugging against a server that does not
// support notifications.
const char kNoSupervisedUserAcknowledgmentCheck[] =
// Specifies the maximum number of threads to use for running the Proxy
// Autoconfig (PAC) script.
const char kNumPacThreads[] = "num-pac-threads";
// Launches URL in new browser window.
const char kOpenInNewWindow[] = "new-window";
// Force use of QUIC for requests to the specified origin.
const char kOriginToForceQuicOn[] = "origin-to-force-quic-on";
// The time that a new chrome process which is delegating to an already running
// chrome process started. (See ProcessSingleton for more details.)
const char kOriginalProcessStartTime[] = "original-process-start-time";
// Enable the out of process PDF plugin.
const char kOutOfProcessPdf[] = "out-of-process-pdf";
// Packages an extension to a .crx installable file from a given directory.
const char kPackExtension[] = "pack-extension";
// Optional PEM private key to use in signing packaged .crx.
const char kPackExtensionKey[] = "pack-extension-key";
// Specifies the path to the user data folder for the parent profile.
const char kParentProfile[] = "parent-profile";
// Launches PerformanceMonitor at startup, which will gather statistics about
// Chrome's CPU and memory usage, page load times, startup times, and network
// usage, and will also store information about events which may be of interest,
// such as extension-related occurrences and crashes. Optionally, this may be
// run with an integer value representing the interval between the timed
// metric gatherings, measured in seconds (if invalid or not provided, the
// default interval is used).
const char kPerformanceMonitorGathering[] = "performance-monitor-gathering";
// Development flag for permission request API. This flag is needed until
// the API is finalized.
// TODO(bauerb): Remove when this flag is not needed anymore.
const char kPermissionRequestApiScope[] = "permission-request-api-scope";
// Development flag for permission request API. This flag is needed until
// the API is finalized.
// TODO(bauerb): Remove when this flag is not needed anymore.
const char kPermissionRequestApiUrl[] = "permission-request-api-url";
// Read previously recorded data from the cache. Only cached data is read.
// See kRecordMode.
const char kPlaybackMode[] = "playback-mode";
// Use the PPAPI (Pepper) Flash found at the given path.
const char kPpapiFlashPath[] = "ppapi-flash-path";
// Report the given version for the PPAPI (Pepper) Flash. The version should be
// numbers separated by '.'s (e.g., "12.3.456.78"). If not specified, it
// defaults to "10.2.999.999".
const char kPpapiFlashVersion[] = "ppapi-flash-version";
// Triggers prerendering of search base page to prefetch results for the typed
// omnibox query. Only has an effect when prerender is enabled.
const char kPrefetchSearchResults[] = "prefetch-search-results";
// Triggers prerendering of pages from suggestions in the omnibox. Only has an
// effect when Instant is either disabled or restricted to search, and when
// prerender is enabled.
const char kPrerenderFromOmnibox[] = "prerender-from-omnibox";
// These are the values the kPrerenderFromOmnibox switch may have, as in
// "--prerender-from-omnibox=auto". auto: Allow field trial selection.
const char kPrerenderFromOmniboxSwitchValueAuto[] = "auto";
// disabled: No prerendering.
const char kPrerenderFromOmniboxSwitchValueDisabled[] = "disabled";
// enabled: Guaranteed prerendering.
const char kPrerenderFromOmniboxSwitchValueEnabled[] = "enabled";
// Controls speculative prerendering of pages, and content prefetching. Both
// are dispatched from <link rel=prefetch href=...> elements.
const char kPrerenderMode[] = "prerender";
// These are the values the kPrerenderMode switch may have, as in
// "--prerender=auto".
// auto: Allow field trial selection for prerender.
const char kPrerenderModeSwitchValueAuto[] = "auto";
// disabled: No prerendering.
const char kPrerenderModeSwitchValueDisabled[] = "disabled";
// enabled: Prerendering.
const char kPrerenderModeSwitchValueEnabled[] = "enabled";
// Use IPv6 only for privet HTTP.
const char kPrivetIPv6Only[] = "privet-ipv6-only";
// Outputs the product version information and quit. Used as an internal api to
// detect the installed version of Chrome on Linux.
const char kProductVersion[] = "product-version";
// Selects directory of profile to associate with the first browser launched.
const char kProfileDirectory[] = "profile-directory";
// Starts the sampling based profiler for the browser process at startup. This
// will only work if chrome has been built with the gyp variable profiling=1.
// The output will go to the value of kProfilingFile.
const char kProfilingAtStart[] = "profiling-at-start";
// Specifies 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}.
const char kProfilingFile[] = "profiling-file";
// Specifies a path for the output of task-level profiling which can be loaded
// and viewed in about:profiler.
const char kProfilingOutputFile[] = "profiling-output-file";
// Controls whether profile data is periodically flushed to a file. Normally
// the data gets written on exit but cases exist where chrome doesn't exit
// cleanly (especially when using single-process). A time in seconds can be
// specified.
const char kProfilingFlush[] = "profiling-flush";
// Specifies a custom URL for fetching NTP promo data.
const char kPromoServerURL[] = "promo-server-url";
// Forces proxy auto-detection.
const char kProxyAutoDetect[] = "proxy-auto-detect";
// Specifies a list of hosts for whom we bypass proxy settings and use direct
// connections. Ignored if --proxy-auto-detect or --no-proxy-server are also
// specified. This is a comma-separated list of bypass rules. See:
// "net/proxy/proxy_bypass_rules.h" for the format of these rules.
const char kProxyBypassList[] = "proxy-bypass-list";
// Uses the pac script at the given URL
const char kProxyPacUrl[] = "proxy-pac-url";
// Uses a specified proxy server, overrides system settings. This switch only
// affects HTTP and HTTPS requests.
const char kProxyServer[] = "proxy-server";
// Specifies a comma separated list of QUIC connection options to send to
// the server.
const char kQuicConnectionOptions[] = "quic-connection-options";
// Specifies the maximum length for a QUIC packet.
const char kQuicMaxPacketLength[] = "quic-max-packet-length";
// Specifies the version of QUIC to use.
const char kQuicVersion[] = "quic-version";
// Chrome supports a playback and record mode. Record mode saves *everything*
// to the cache. Playback mode reads data exclusively from the cache. This
// allows us to record a session into the cache and then replay it at will.
// See also kPlaybackMode.
const char kRecordMode[] = "record-mode";
// Remember 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.
const char kRememberCertErrorDecisions[] = "remember-cert-error-decisions";
// Enables print preview in the renderer. This flag is generated internally by
// Chrome and does nothing when directly passed to the browser.
const char kRendererPrintPreview[] = "renderer-print-preview";
// If set, the app list will forget it has been installed on startup. Note this
// doesn't prevent the app list from running, it just makes Chrome think the app
// list hasn't been enabled (as in kEnableAppList) yet.
const char kResetAppListInstallState[] = "reset-app-list-install-state";
// Indicates 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.
const char kRestoreLastSession[] = "restore-last-session";
// Disable saving pages as HTML-only, disable saving pages as HTML Complete
// (with a directory of sub-resources). Enable only saving pages as MHTML.
// See for how to remove this switch.
const char kSavePageAsMHTML[] = "save-page-as-mhtml";
// If present, safebrowsing only performs update when
// SafeBrowsingProtocolManager::ForceScheduleNextUpdate() is explicitly called.
// This is used for testing only.
const char kSbDisableAutoUpdate[] = "safebrowsing-disable-auto-update";
// TODO(lzheng): Remove this flag once the feature works fine
// (
// Disables safebrowsing feature that checks download url and downloads
// content's hash to make sure the content are not malicious.
const char kSbDisableDownloadProtection[] =
// Disables safebrowsing feature that checks for blacklisted extensions.
const char kSbDisableExtensionBlacklist[] =
// Disables safebrowsing feature that provides a side-effect free whitelist.
const char kSbDisableSideEffectFreeWhitelist[] =
// Causes the process to run as a service process.
const char kServiceProcess[] = "service";
// Sets a token in the token service, for testing.
const char kSetToken[] = "set-token";
// If true the app list will be shown.
const char kShowAppList[] = "show-app-list";
// See kHideIcons.
const char kShowIcons[] = "show-icons";
// Marks a renderer as the signin process.
const char kSigninProcess[] = "signin-process";
// Does not show an infobar when an extension attaches to a page using
// chrome.debugger page. Required to attach to extension background pages.
const char kSilentDebuggerExtensionAPI[] = "silent-debugger-extension-api";
// Causes Chrome to launch without opening any windows by default. Useful if
// one wishes to use Chrome as an ash server.
const char kSilentLaunch[] = "silent-launch";
// Simulates an update being available.
const char kSimulateUpgrade[] = "simulate-upgrade";
// Simulates a critical update being available.
const char kSimulateCriticalUpdate[] = "simulate-critical-update";
// Simulates that current version is outdated.
const char kSimulateOutdated[] = "simulate-outdated";
// Simulates that current version is outdated and auto-update is off.
const char kSimulateOutdatedNoAU[] = "simulate-outdated-no-au";
// 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.
const char kSpellingServiceFeedbackUrl[] = "spelling-service-feedback-url";
// 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.
const char kSpellingServiceFeedbackIntervalSeconds[] =
// Specifies the maximum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
// "tls1.2").
const char kSSLVersionMax[] = "ssl-version-max";
// Specifies the minimum SSL/TLS version ("ssl3", "tls1", "tls1.1", or
// "tls1.2").
const char kSSLVersionMin[] = "ssl-version-min";
// Starts the browser maximized, regardless of any previous settings.
const char kStartMaximized[] = "start-maximized";
// Sets the supervised user ID for any loaded or newly created profile to the
// given value. Pass an empty string to mark the profile as non-supervised.
// Used for testing.
const char kSupervisedUserId[] = "managed-user-id";
// Used to authenticate requests to the Sync service for supervised users.
// Setting this switch also causes Sync to be set up for a supervised user.
const char kSupervisedUserSyncToken[] = "managed-user-sync-token";
// This flag causes sync to retry very quickly (see polling_constants.h) the
// when it encounters an error, as the first step towards exponential backoff.
const char kSyncShortInitialRetryOverride[] =
// Overrides the default server used for profile sync.
const char kSyncServiceURL[] = "sync-url";
// Enables deferring sync backend initialization until user initiated changes
// occur.
const char kSyncDisableDeferredStartup[] = "sync-disable-deferred-startup";
// Allows overriding the deferred init fallback timeout.
const char kSyncDeferredStartupTimeoutSeconds[] =
// Enables feature to avoid unnecessary GetUpdate requests.
const char kSyncEnableGetUpdateAvoidance[] =
// Disable data backup when user's not signed in.
const char kSyncDisableBackup[] = "disable-sync-backup";
// Disable sync rollback.
const char kSyncDisableRollback[] = "disable-sync-rollback";
// Passes the name of the current running automated test to Chrome.
const char kTestName[] = "test-name";
// Disables same-origin check on HTTP resources pushed via a SPDY proxy.
// The value is the host:port of the trusted proxy.
const char kTrustedSpdyProxy[] = "trusted-spdy-proxy";
// Experimental. Shows a dialog asking the user to try chrome. This flag is to
// be used only by the upgrade process.
const char kTryChromeAgain[] = "try-chrome-again";
// Runs un-installation steps that were done by chrome first-run.
const char kUninstall[] = "uninstall";
// Overrides per-origin quota settings to unlimited storage for any
// apps/origins. This should be used only for testing purpose.
const char kUnlimitedStorage[] = "unlimited-storage";
// Uses Spdy for the transport protocol instead of HTTP. This is a temporary
// testing flag.
const char kUseSpdy[] = "use-spdy";
// A string used to override the default user agent with a custom one.
const char kUserAgent[] = "user-agent";
// Specifies the user data directory, which is where the browser will look for
// all of its state.
const char kUserDataDir[] = "user-data-dir";
// Examines a .crx for validity and prints the result.
const char kValidateCrx[] = "validate-crx";
// Uses experimental simple cache backend if possible.
const char kUseSimpleCacheBackend[] = "use-simple-cache-backend";
// Specifies a custom URL for the server which reports variation data to the
// client. Specifying this switch enables the Variations service on
// unofficial builds. See
const char kVariationsServerURL[] = "variations-server-url";
// Prints version information and quits.
const char kVersion[] = "version";
// Specify the initial window position: --window-position=x,y
const char kWindowPosition[] = "window-position";
// Specify the initial window size: --window-size=w,h
const char kWindowSize[] = "window-size";
// Uses WinHTTP to fetch and evaluate PAC scripts. Otherwise the default is to
// use Chromium's network stack to fetch, and V8 to evaluate.
const char kWinHttpProxyResolver[] = "winhttp-proxy-resolver";
// Specifies a custom URL for fetching plug-ins metadata. Used for testing.
const char kPluginsMetadataServerURL[] = "plugins-metadata-server-url";
#if defined(OS_ANDROID)
// Disables support for playing videos on Chromecast devices.
const char kDisableCast[] = "disable-cast";
// Disables Contextual Search.
const char kDisableContextualSearch[] = "disable-contextual-search";
// Disables zero suggest experiment on Dev channel.
const char kDisableZeroSuggest[] = "disable-zero-suggest";
// Enable the accessibility tab switcher.
const char kEnableAccessibilityTabSwitcher[] =
// Enables app install alerts.
const char kEnableAppInstallAlerts[] = "enable-app-install-alerts";
// Enables Contextual Search.
const char kEnableContextualSearch[] = "enable-contextual-search";
// Enables zero suggest functionality on Dev channel, showing contextual
// suggestions (EtherSuggest) for http pages and search queries.
const char kEnableZeroSuggestEtherSerp[] =
// Enables zero suggest functionality on Dev channel, showing contextual
// suggestions (EtherSuggest) for http pages.
const char kEnableZeroSuggestEtherNoSerp[] =
// Enables zero suggest functionality on Dev channel, showing most visited
// sites as default suggestions.
const char kEnableZeroSuggestMostVisited[] =
// Enables zero suggest functionality on Dev channel, showing recently typed
// queries as default suggestions.
const char kEnableZeroSuggestPersonalized[] =
// Enables instant search clicks feature.
const char kEnableInstantSearchClicks[] = "enable-instant-search-clicks";
#if defined(USE_ASH)
const char kOpenAsh[] = "open-ash";
#if defined(OS_POSIX) && !defined(OS_MACOSX) && !defined(OS_CHROMEOS)
// Specifies which password store to use (detect, default, gnome, kwallet).
const char kPasswordStore[] = "password-store";
#if defined(OS_LINUX) && !defined(OS_CHROMEOS)
// 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.
const char kMigrateDataDirForSxS[] = "migrate-data-dir-for-sxs";
#endif // defined(OS_LINUX) && !defined(OS_CHROMEOS)
#if defined(OS_MACOSX)
// Prevents Chrome from quitting when Chrome Apps are open.
const char kAppsKeepChromeAliveInTests[] = "apps-keep-chrome-alive-in-tests";
// Forcibly disables Lion-style on newer OSes, to allow developers to test the
// older, SnowLeopard-style fullscreen.
const char kDisableSystemFullscreenForTesting[] =
// Makes the browser window's contentView take up the full size of the
// window in OSX Yosemite.
const char kEnableFullSizeContentView[] = "enable-full-size-content-view";
// Enables a simplified fullscreen UI on Mac.
const char kEnableSimplifiedFullscreen[] = "enable-simplified-fullscreen";
// A process type (switches::kProcessType) that relaunches the browser. See
// chrome/browser/mac/relauncher.h.
const char kRelauncherProcess[] = "relauncher";
// Use bubbles for content permissions requests instead of infobars.
const char kEnablePermissionsBubbles[] = "enable-permissions-bubbles";
#if defined(OS_WIN)
// Fallback to XPS. By default connector uses CDD.
const char kEnableCloudPrintXps[] = "enable-cloud-print-xps";
// Force-enables the profile shortcut manager. This is needed for tests since
// they use a custom-user-data-dir which disables this.
const char kEnableProfileShortcutManager[] = "enable-profile-shortcut-manager";
// For the DelegateExecute verb handler to launch Chrome in metro mode on
// Windows 8 and higher. Used when relaunching metro Chrome.
const char kForceImmersive[] = "force-immersive";
// For the DelegateExecute verb handler to launch Chrome in desktop mode on
// Windows 8 and higher. Used when relaunching metro Chrome.
const char kForceDesktop[] = "force-desktop";
// Relaunches metro Chrome on Windows 8 and higher using a given shortcut.
const char kRelaunchShortcut[] = "relaunch-shortcut";
// Requests that Chrome connect to the running Metro viewer process.
const char kViewerConnect[] = "viewer-connect";
// 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.
const char kViewerLaunchViaAppId[] = "viewer-launch-via-appid";
// Waits for the given handle to be signaled before relaunching metro Chrome on
// Windows 8 and higher.
const char kWaitForMutex[] = "wait-for-mutex";
// Indicates that chrome was launched to service a search request in Windows 8.
const char kWindows8Search[] = "windows8-search";
// Enables support to debug printing subsystem.
const char kDebugPrint[] = "debug-print";
#ifndef NDEBUG
// Enables overriding the path of file manager extension.
const char kFileManagerExtensionPath[] = "filemgr-ext-path";
bool AboutInSettingsEnabled() {
return SettingsWindowEnabled() &&
bool SettingsWindowEnabled() {
#if defined(OS_CHROMEOS)
return !CommandLine::ForCurrentProcess()->HasSwitch(
return CommandLine::ForCurrentProcess()->HasSwitch(
// -----------------------------------------------------------------------------
// You were going to just dump your switches here, weren't you? Instead, please
// put them in alphabetical order above, or in order inside the appropriate
// ifdef at the bottom. The order should match the header.
// -----------------------------------------------------------------------------
} // namespace switches