chromeos/chromeos_switches.cc - chromium/src - Git at Google

 // 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 "chromeos/chromeos_switches.h"

 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"

 // TODO(rsorokin): alphabetize all of these switches so they
 // match the order from the .h file

 namespace chromeos {
 namespace switches {

 // Allows remote attestation (RA) in dev mode for testing purpose. Usually RA
 // is disabled in dev mode because it will always fail. However, there are cases
 // in testing where we do want to go through the permission flow even in dev
 // mode. This can be enabled by this flag.
 const char kAllowRAInDevMode[] = "allow-ra-in-dev-mode";

 // Path for app's OEM manifest file.
 const char kAppOemManifestFile[] = "app-mode-oem-manifest";

 // When wallpaper boot animation is not disabled this switch
 // is used to override OOBE/sign in WebUI init type.
 // Possible values: parallel|postpone. Default: parallel.
 const char kAshWebUIInit[] = "ash-webui-init";

 // Default wallpaper to use for kids accounts
 // (as paths to trusted, non-user-writable JPEG files).
 const char kChildWallpaperLarge[] = "child-wallpaper-large";
 const char kChildWallpaperSmall[] = "child-wallpaper-small";

 // Specifies the URL of the consumer device management backend.
 const char kConsumerDeviceManagementUrl[] = "consumer-device-management-url";

 // Forces the stub implementation of dbus clients.
 const char kDbusStub[] = "dbus-stub";

 // Comma-spearated list of dbus clients that should be unstubbed.
 // See chromeos/dbus/dbus_client_bundle.cc for the names of the dbus clients.
 const char kDbusUnstubClients[] = "dbus-unstub-clients";

 // Indicates that the wallpaper images specified by
 // kAshDefaultWallpaper{Large,Small} are OEM-specific (i.e. they are not
 // downloadable from Google).
 const char kDefaultWallpaperIsOem[] = "default-wallpaper-is-oem";

 // Default wallpaper to use (as paths to trusted, non-user-writable JPEG files).
 const char kDefaultWallpaperLarge[] = "default-wallpaper-large";
 const char kDefaultWallpaperSmall[] = "default-wallpaper-small";

 // Time before a machine at OOBE is considered derelict.
 const char kDerelictDetectionTimeout[] = "derelict-detection-timeout";

 // Time before a derelict machines starts demo mode.
 const char kDerelictIdleTimeout[] = "derelict-idle-timeout";

 // Disables wallpaper boot animation (except of OOBE case).
 const char kDisableBootAnimation[] = "disable-boot-animation";

 // Disables cloud backup feature.
 const char kDisableCloudImport[] = "disable-cloud-import";

 // Disables the ChromeOS demo.
 const char kDisableDemoMode[] = "disable-demo-mode";

 // Disable HID-detection OOBE screen.
 const char kDisableHIDDetectionOnOOBE[] = "disable-hid-detection-on-oobe";

 // Avoid doing expensive animations upon login.
 const char kDisableLoginAnimations[] = "disable-login-animations";

 // Disable new channel switcher UI.
 const char kDisableNewChannelSwitcherUI[] = "disable-new-channel-switcher-ui";

 // Disables new Kiosk UI when kiosk apps are represented as user pods.
 const char kDisableNewKioskUI[] = "disable-new-kiosk-ui";

 // Disables the new File System Provider API based ZIP unpacker.
 const char kDisableNewZIPUnpacker[] = "disable-new-zip-unpacker";

 // Disable Office Editing for Docs, Sheets & Slides component app so handlers
 // won't be registered, making it possible to install another version for
 // testing.
 const char kDisableOfficeEditingComponentApp[] =
     "disable-office-editing-component-extension";

 // Disables rollback option on reset screen.
 const char kDisableRollbackOption[] = "disable-rollback-option";

 // Disables volume adjust sound.
 const char kDisableVolumeAdjustSound[] = "disable-volume-adjust-sound";

 // Disables wake on wifi features.
 const char kDisableWakeOnWifi[] = "disable-wake-on-wifi";

 // Disables notifications about captive portals in session.
 const char kDisableNetworkPortalNotification[] =
     "disable-network-portal-notification";

 // EAFE url and path to use for Easy bootstrapping.
 const char kEafeUrl[] = "eafe-url";
 const char kEafePath[] = "eafe-path";

 // Enables starting the ARC instance upon session start.
 const char kEnableArc[] = "enable-arc";

 // Enables consumer management, which allows user to enroll, remotely lock and
 // locate the device.
 const char kEnableConsumerManagement[] = "enable-consumer-management";

 // If this switch is set, the device cannot be remotely disabled by its owner.
 const char kDisableDeviceDisabling[] = "disable-device-disabling";

 // If this switch is set, the new Korean IME will not be available in
 // chrome://settings/languages.
 const char kDisableNewKoreanIme[] = "disable-new-korean-ime";

 // Disables mtp write support.
 const char kDisableMtpWriteSupport[] = "disable-mtp-write-support";

 // If this switch is set, the options for suggestions as typing on physical
 // keyboard will be enabled.
 const char kEnablePhysicalKeyboardAutocorrect[] =
     "enable-physical-keyboard-autocorrect";

 // If this switch is set, the options for suggestions as typing on physical
 // keyboard will be disabled.
 const char kDisablePhysicalKeyboardAutocorrect[] =
     "disable-physical-keyboard-autocorrect";

 // Enabled sharing assets for installed default apps.
 const char kEnableExtensionAssetsSharing[]  = "enable-extension-assets-sharing";

 // Enables notifications about captive portals in session.
 const char kEnableNetworkPortalNotification[] =
     "enable-network-portal-notification";

 // Enables touchpad three-finger-click as middle button.
 const char kEnableTouchpadThreeFingerClick[]
     = "enable-touchpad-three-finger-click";

 // Enables using screenshots in tests and seets mode.
 const char kEnableScreenshotTestingWithMode[] =
     "enable-screenshot-testing-with-mode";

 // Enable Kiosk mode for ChromeOS. Note this switch refers to retail mode rather
 // than the kiosk app mode.
 const char kEnableKioskMode[] = "enable-kiosk-mode";

 // Enables request of tablet site (via user agent override).
 const char kEnableRequestTabletSite[] = "enable-request-tablet-site";

 // Whether to enable forced enterprise re-enrollment.
 const char kEnterpriseEnableForcedReEnrollment[] =
     "enterprise-enable-forced-re-enrollment";

 // Power of the power-of-2 initial modulus that will be used by the
 // auto-enrollment client. E.g. "4" means the modulus will be 2^4 = 16.
 const char kEnterpriseEnrollmentInitialModulus[] =
     "enterprise-enrollment-initial-modulus";

 // Power of the power-of-2 maximum modulus that will be used by the
 // auto-enrollment client.
 const char kEnterpriseEnrollmentModulusLimit[] =
     "enterprise-enrollment-modulus-limit";

 // Enables the chromecast support for video player app.
 const char kEnableVideoPlayerChromecastSupport[] =
     "enable-video-player-chromecast-support";

 // Passed to Chrome the first time that it's run after the system boots.
 // Not passed on restart after sign out.
 const char kFirstExecAfterBoot[] = "first-exec-after-boot";

 // Usually in browser tests the usual login manager bringup is skipped so that
 // tests can change how it's brought up. This flag disables that.
 const char kForceLoginManagerInTests[] = "force-login-manager-in-tests";

 // Indicates that the browser is in "browse without sign-in" (Guest session)
 // mode. Should completely disable extensions, sync and bookmarks.
 const char kGuestSession[] = "bwsi";

 // Wallpaper to use in guest mode (as paths to trusted, non-user-writable JPEG
 // files).
 const char kGuestWallpaperLarge[] = "guest-wallpaper-large";
 const char kGuestWallpaperSmall[] = "guest-wallpaper-small";

 // If true, the Chromebook has a keyboard with a diamond key.
 const char kHasChromeOSDiamondKey[] = "has-chromeos-diamond-key";

 // Defines user homedir. This defaults to primary user homedir.
 const char kHomedir[]           = "homedir";

 // With this switch, start remora OOBE with the pairing screen.
 const char kHostPairingOobe[] = "host-pairing-oobe";

 // If true, profile selection in UserManager will always return active user's
 // profile.
 // TODO(nkostlyev): http://crbug.com/364604 - Get rid of this switch after we
 // turn on multi-profile feature on ChromeOS.
 const char kIgnoreUserProfileMappingForTests[] =
     "ignore-user-profile-mapping-for-tests";

 // Enables Chrome-as-a-login-manager behavior.
 const char kLoginManager[] = "login-manager";

 // Specifies the profile to use once a chromeos user is logged in.
 // This parameter is ignored if user goes through login screen since user_id
 // hash defines which profile directory to use.
 // In case of browser restart within active session this parameter is used
 // to pass user_id hash for primary user.
 const char kLoginProfile[] = "login-profile";

 // Specifies the user which is already logged in.
 const char kLoginUser[] = "login-user";

 // The memory pressure thresholds selection which is used to decide whether and
 // when a memory pressure event needs to get fired.
 const char kMemoryPressureExperimentName[] = "ChromeOSMemoryPressureHandling";
 const char kMemoryPressureHandlingOff[] = "memory-pressure-off";
 const char kMemoryPressureThresholds[] = "memory-pressure-thresholds";
 const char kConservativeThreshold[] = "conservative";
 const char kAggressiveCacheDiscardThreshold[] = "aggressive-cache-discard";
 const char kAggressiveTabDiscardThreshold[] = "aggressive-tab-discard";
 const char kAggressiveThreshold[] = "aggressive";

 // Enables natural scroll by default.
 const char kNaturalScrollDefault[] = "enable-natural-scroll-default";

 // Skips all other OOBE pages after user login.
 const char kOobeSkipPostLogin[] = "oobe-skip-postlogin";

 // Disable GAIA services such as enrollment and OAuth session restore. Used by
 // 'fake' telemetry login.
 const char kDisableGaiaServices[] = "disable-gaia-services";

 // Interval at which we check for total time on OOBE.
 const char kOobeTimerInterval[] = "oobe-timer-interval";

 // Indicates that a guest session has been started before OOBE completion.
 const char kOobeGuestSession[] = "oobe-guest-session";

 // Indicates that if we should start bootstrapping Master/Slave OOBE.
 const char kOobeBootstrappingMaster[] = "oobe-bootstrapping-master";
 const char kOobeBootstrappingSlave[] = "oobe-bootstrapping-slave";

 // Specifies power stub behavior:
 //  'cycle=2' - Cycles power states every 2 seconds.
 // See FakeDBusThreadManager::ParsePowerCommandLineSwitch for full details.
 const char kPowerStub[] = "power-stub";

 // Overrides network stub behavior. By default, ethernet, wifi and vpn are
 // enabled, and transitions occur instantaneously. Multiple options can be
 // comma separated (no spaces). Note: all options are in the format 'foo=x'.
 // Values are case sensitive and based on Shill names in service_constants.h.
 // See FakeShillManagerClient::SetInitialNetworkState for implementation.
 // Examples:
 //  'clear=1' - Clears all default configurations
 //  'wifi=on' - A wifi network is initially connected ('1' also works)
 //  'wifi=off' - Wifi networks are all initially disconnected ('0' also works)
 //  'wifi=disabled' - Wifi is initially disabled
 //  'wifi=none' - Wifi is unavailable
 //  'wifi=portal' - Wifi connection will be in Portal state
 //  'cellular=1' - Cellular is initially connected
 //  'cellular=LTE' - Cellular is initially connected, technology is LTE
 //  'interactive=3' - Interactive mode, connect/scan/etc requests take 3 secs
 const char kShillStub[] = "shill-stub";

 // Sends test messages on first call to RequestUpdate (stub only).
 const char kSmsTestMessages[] = "sms-test-messages";

 // Indicates that a stub implementation of CrosSettings that stores settings in
 // memory without signing should be used, treating current user as the owner.
 // This also modifies OwnerSettingsServiceChromeOS::HandlesSetting such that no
 // settings are handled by OwnerSettingsServiceChromeOS.
 // This option is for testing the chromeos build of chrome on the desktop only.
 const char kStubCrosSettings[] = "stub-cros-settings";

 // Indicates that the system is running in dev mode. The dev mode probing is
 // done by session manager.
 const char kSystemDevMode[] = "system-developer-mode";

 // Enables animated transitions during first-run tutorial.
 const char kEnableFirstRunUITransitions[] = "enable-first-run-ui-transitions";

 // Forces first-run UI to be shown for every login.
 const char kForceFirstRunUI[] = "force-first-run-ui";

 // Enables testing for auto update UI.
 const char kTestAutoUpdateUI[] = "test-auto-update-ui";

 // Enables wake on wifi packet feature, which wakes the device on the receipt
 // of network packets from whitelisted sources.
 const char kWakeOnWifiPacket[] = "wake-on-wifi-packet";

 // Screenshot testing: specifies the directory where the golden screenshots are
 // stored.
 const char kGoldenScreenshotsDir[] = "golden-screenshots-dir";

 // Screenshot testing: specifies the directoru where artifacts will be stored.
 const char kArtifactsDir[] = "artifacts-dir";

 // Disable bypass proxy for captive portal authorization.
 const char kDisableCaptivePortalBypassProxy[] =
     "disable-captive-portal-bypass-proxy";

 // Disable automatic timezone update.
 const char kDisableTimeZoneTrackingOption[] =
     "disable-timezone-tracking-option";

 // Switches and optional value for Data Saver prompt on cellular networks.
 const char kDisableDataSaverPrompt[] = "disable-datasaver-prompt";
 const char kEnableDataSaverPrompt[] = "enable-datasaver-prompt";
 const char kDataSaverPromptDemoMode[] = "demo";

 // Control regions data load:
 // ""         - default
 // "override" - regions data is read first
 // "hide"     - VPD values are hidden
 const char kCrosRegionsMode[] = "cros-regions-mode";
 const char kCrosRegionsModeOverride[] = "override";
 const char kCrosRegionsModeHide[] = "hide";

 // Forces CrOS region value.
 const char kCrosRegion[] = "cros-region";

 // Enables IME menu
 const char kEnableImeMenu[] = "enable-ime-menu";

 // Controls CrOS GaiaId migration for tests:
 // ""        - default,
 // "started" - migration started (i.e. all stored user keys will be converted
 //             to GaiaId).
 const char kTestCrosGaiaIdMigration[] = "test-cros-gaia-id-migration";
 const char kTestCrosGaiaIdMigrationStarted[] = "started";

 bool WakeOnWifiEnabled() {
   return !base::CommandLine::ForCurrentProcess()->HasSwitch(kDisableWakeOnWifi);
 }

 bool MemoryPressureHandlingEnabled() {
   if (base::FieldTrialList::FindFullName(kMemoryPressureExperimentName) ==
       kMemoryPressureHandlingOff) {
     return false;
   }
   return true;
 }

 base::chromeos::MemoryPressureMonitor::MemoryPressureThresholds
 GetMemoryPressureThresholds() {
   using MemoryPressureMonitor = base::chromeos::MemoryPressureMonitor;

   if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
           kMemoryPressureThresholds)) {
     const std::string group_name =
         base::FieldTrialList::FindFullName(kMemoryPressureExperimentName);
     if (group_name == kConservativeThreshold)
       return MemoryPressureMonitor::THRESHOLD_CONSERVATIVE;
     if (group_name == kAggressiveCacheDiscardThreshold)
       return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_CACHE_DISCARD;
     if (group_name == kAggressiveTabDiscardThreshold)
       return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_TAB_DISCARD;
     if (group_name == kAggressiveThreshold)
       return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE;
     return MemoryPressureMonitor::THRESHOLD_DEFAULT;
   }

   const std::string option =
       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           kMemoryPressureThresholds);
   if (option == kConservativeThreshold)
     return MemoryPressureMonitor::THRESHOLD_CONSERVATIVE;
   if (option == kAggressiveCacheDiscardThreshold)
     return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_CACHE_DISCARD;
   if (option == kAggressiveTabDiscardThreshold)
     return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_TAB_DISCARD;
   if (option == kAggressiveThreshold)
     return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE;

   return MemoryPressureMonitor::THRESHOLD_DEFAULT;
 }

 bool IsImeMenuEnabled() {
   return base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableImeMenu);
 }

 bool IsGaiaIdMigrationStarted() {
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (!command_line->HasSwitch(kTestCrosGaiaIdMigration))
     return false;

   return command_line->GetSwitchValueASCII(kTestCrosGaiaIdMigration) ==
          kTestCrosGaiaIdMigrationStarted;
 }

 }  // namespace switches
 }  // namespace chromeos
	// 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 "chromeos/chromeos_switches.h"

	#include "base/command_line.h"
	#include "base/metrics/field_trial.h"

	// TODO(rsorokin): alphabetize all of these switches so they
	// match the order from the .h file

	namespace chromeos {
	namespace switches {

	// Allows remote attestation (RA) in dev mode for testing purpose. Usually RA
	// is disabled in dev mode because it will always fail. However, there are cases
	// in testing where we do want to go through the permission flow even in dev
	// mode. This can be enabled by this flag.
	const char kAllowRAInDevMode[] = "allow-ra-in-dev-mode";

	// Path for app's OEM manifest file.
	const char kAppOemManifestFile[] = "app-mode-oem-manifest";

	// When wallpaper boot animation is not disabled this switch
	// is used to override OOBE/sign in WebUI init type.
	// Possible values: parallel\|postpone. Default: parallel.
	const char kAshWebUIInit[] = "ash-webui-init";

	// Default wallpaper to use for kids accounts
	// (as paths to trusted, non-user-writable JPEG files).
	const char kChildWallpaperLarge[] = "child-wallpaper-large";
	const char kChildWallpaperSmall[] = "child-wallpaper-small";

	// Specifies the URL of the consumer device management backend.
	const char kConsumerDeviceManagementUrl[] = "consumer-device-management-url";

	// Forces the stub implementation of dbus clients.
	const char kDbusStub[] = "dbus-stub";

	// Comma-spearated list of dbus clients that should be unstubbed.
	// See chromeos/dbus/dbus_client_bundle.cc for the names of the dbus clients.
	const char kDbusUnstubClients[] = "dbus-unstub-clients";

	// Indicates that the wallpaper images specified by
	// kAshDefaultWallpaper{Large,Small} are OEM-specific (i.e. they are not
	// downloadable from Google).
	const char kDefaultWallpaperIsOem[] = "default-wallpaper-is-oem";

	// Default wallpaper to use (as paths to trusted, non-user-writable JPEG files).
	const char kDefaultWallpaperLarge[] = "default-wallpaper-large";
	const char kDefaultWallpaperSmall[] = "default-wallpaper-small";

	// Time before a machine at OOBE is considered derelict.
	const char kDerelictDetectionTimeout[] = "derelict-detection-timeout";

	// Time before a derelict machines starts demo mode.
	const char kDerelictIdleTimeout[] = "derelict-idle-timeout";

	// Disables wallpaper boot animation (except of OOBE case).
	const char kDisableBootAnimation[] = "disable-boot-animation";

	// Disables cloud backup feature.
	const char kDisableCloudImport[] = "disable-cloud-import";

	// Disables the ChromeOS demo.
	const char kDisableDemoMode[] = "disable-demo-mode";

	// Disable HID-detection OOBE screen.
	const char kDisableHIDDetectionOnOOBE[] = "disable-hid-detection-on-oobe";

	// Avoid doing expensive animations upon login.
	const char kDisableLoginAnimations[] = "disable-login-animations";

	// Disable new channel switcher UI.
	const char kDisableNewChannelSwitcherUI[] = "disable-new-channel-switcher-ui";

	// Disables new Kiosk UI when kiosk apps are represented as user pods.
	const char kDisableNewKioskUI[] = "disable-new-kiosk-ui";

	// Disables the new File System Provider API based ZIP unpacker.
	const char kDisableNewZIPUnpacker[] = "disable-new-zip-unpacker";

	// Disable Office Editing for Docs, Sheets & Slides component app so handlers
	// won't be registered, making it possible to install another version for
	// testing.
	const char kDisableOfficeEditingComponentApp[] =
	"disable-office-editing-component-extension";

	// Disables rollback option on reset screen.
	const char kDisableRollbackOption[] = "disable-rollback-option";

	// Disables volume adjust sound.
	const char kDisableVolumeAdjustSound[] = "disable-volume-adjust-sound";

	// Disables wake on wifi features.
	const char kDisableWakeOnWifi[] = "disable-wake-on-wifi";

	// Disables notifications about captive portals in session.
	const char kDisableNetworkPortalNotification[] =
	"disable-network-portal-notification";

	// EAFE url and path to use for Easy bootstrapping.
	const char kEafeUrl[] = "eafe-url";
	const char kEafePath[] = "eafe-path";

	// Enables starting the ARC instance upon session start.
	const char kEnableArc[] = "enable-arc";

	// Enables consumer management, which allows user to enroll, remotely lock and
	// locate the device.
	const char kEnableConsumerManagement[] = "enable-consumer-management";

	// If this switch is set, the device cannot be remotely disabled by its owner.
	const char kDisableDeviceDisabling[] = "disable-device-disabling";

	// If this switch is set, the new Korean IME will not be available in
	// chrome://settings/languages.
	const char kDisableNewKoreanIme[] = "disable-new-korean-ime";

	// Disables mtp write support.
	const char kDisableMtpWriteSupport[] = "disable-mtp-write-support";

	// If this switch is set, the options for suggestions as typing on physical
	// keyboard will be enabled.
	const char kEnablePhysicalKeyboardAutocorrect[] =
	"enable-physical-keyboard-autocorrect";

	// If this switch is set, the options for suggestions as typing on physical
	// keyboard will be disabled.
	const char kDisablePhysicalKeyboardAutocorrect[] =
	"disable-physical-keyboard-autocorrect";

	// Enabled sharing assets for installed default apps.
	const char kEnableExtensionAssetsSharing[] = "enable-extension-assets-sharing";

	// Enables notifications about captive portals in session.
	const char kEnableNetworkPortalNotification[] =
	"enable-network-portal-notification";

	// Enables touchpad three-finger-click as middle button.
	const char kEnableTouchpadThreeFingerClick[]
	= "enable-touchpad-three-finger-click";

	// Enables using screenshots in tests and seets mode.
	const char kEnableScreenshotTestingWithMode[] =
	"enable-screenshot-testing-with-mode";

	// Enable Kiosk mode for ChromeOS. Note this switch refers to retail mode rather
	// than the kiosk app mode.
	const char kEnableKioskMode[] = "enable-kiosk-mode";

	// Enables request of tablet site (via user agent override).
	const char kEnableRequestTabletSite[] = "enable-request-tablet-site";

	// Whether to enable forced enterprise re-enrollment.
	const char kEnterpriseEnableForcedReEnrollment[] =
	"enterprise-enable-forced-re-enrollment";

	// Power of the power-of-2 initial modulus that will be used by the
	// auto-enrollment client. E.g. "4" means the modulus will be 2^4 = 16.
	const char kEnterpriseEnrollmentInitialModulus[] =
	"enterprise-enrollment-initial-modulus";

	// Power of the power-of-2 maximum modulus that will be used by the
	// auto-enrollment client.
	const char kEnterpriseEnrollmentModulusLimit[] =
	"enterprise-enrollment-modulus-limit";

	// Enables the chromecast support for video player app.
	const char kEnableVideoPlayerChromecastSupport[] =
	"enable-video-player-chromecast-support";

	// Passed to Chrome the first time that it's run after the system boots.
	// Not passed on restart after sign out.
	const char kFirstExecAfterBoot[] = "first-exec-after-boot";

	// Usually in browser tests the usual login manager bringup is skipped so that
	// tests can change how it's brought up. This flag disables that.
	const char kForceLoginManagerInTests[] = "force-login-manager-in-tests";

	// Indicates that the browser is in "browse without sign-in" (Guest session)
	// mode. Should completely disable extensions, sync and bookmarks.
	const char kGuestSession[] = "bwsi";

	// Wallpaper to use in guest mode (as paths to trusted, non-user-writable JPEG
	// files).
	const char kGuestWallpaperLarge[] = "guest-wallpaper-large";
	const char kGuestWallpaperSmall[] = "guest-wallpaper-small";

	// If true, the Chromebook has a keyboard with a diamond key.
	const char kHasChromeOSDiamondKey[] = "has-chromeos-diamond-key";

	// Defines user homedir. This defaults to primary user homedir.
	const char kHomedir[] = "homedir";

	// With this switch, start remora OOBE with the pairing screen.
	const char kHostPairingOobe[] = "host-pairing-oobe";

	// If true, profile selection in UserManager will always return active user's
	// profile.
	// TODO(nkostlyev): http://crbug.com/364604 - Get rid of this switch after we
	// turn on multi-profile feature on ChromeOS.
	const char kIgnoreUserProfileMappingForTests[] =
	"ignore-user-profile-mapping-for-tests";

	// Enables Chrome-as-a-login-manager behavior.
	const char kLoginManager[] = "login-manager";

	// Specifies the profile to use once a chromeos user is logged in.
	// This parameter is ignored if user goes through login screen since user_id
	// hash defines which profile directory to use.
	// In case of browser restart within active session this parameter is used
	// to pass user_id hash for primary user.
	const char kLoginProfile[] = "login-profile";

	// Specifies the user which is already logged in.
	const char kLoginUser[] = "login-user";

	// The memory pressure thresholds selection which is used to decide whether and
	// when a memory pressure event needs to get fired.
	const char kMemoryPressureExperimentName[] = "ChromeOSMemoryPressureHandling";
	const char kMemoryPressureHandlingOff[] = "memory-pressure-off";
	const char kMemoryPressureThresholds[] = "memory-pressure-thresholds";
	const char kConservativeThreshold[] = "conservative";
	const char kAggressiveCacheDiscardThreshold[] = "aggressive-cache-discard";
	const char kAggressiveTabDiscardThreshold[] = "aggressive-tab-discard";
	const char kAggressiveThreshold[] = "aggressive";

	// Enables natural scroll by default.
	const char kNaturalScrollDefault[] = "enable-natural-scroll-default";

	// Skips all other OOBE pages after user login.
	const char kOobeSkipPostLogin[] = "oobe-skip-postlogin";

	// Disable GAIA services such as enrollment and OAuth session restore. Used by
	// 'fake' telemetry login.
	const char kDisableGaiaServices[] = "disable-gaia-services";

	// Interval at which we check for total time on OOBE.
	const char kOobeTimerInterval[] = "oobe-timer-interval";

	// Indicates that a guest session has been started before OOBE completion.
	const char kOobeGuestSession[] = "oobe-guest-session";

	// Indicates that if we should start bootstrapping Master/Slave OOBE.
	const char kOobeBootstrappingMaster[] = "oobe-bootstrapping-master";
	const char kOobeBootstrappingSlave[] = "oobe-bootstrapping-slave";

	// Specifies power stub behavior:
	// 'cycle=2' - Cycles power states every 2 seconds.
	// See FakeDBusThreadManager::ParsePowerCommandLineSwitch for full details.
	const char kPowerStub[] = "power-stub";

	// Overrides network stub behavior. By default, ethernet, wifi and vpn are
	// enabled, and transitions occur instantaneously. Multiple options can be
	// comma separated (no spaces). Note: all options are in the format 'foo=x'.
	// Values are case sensitive and based on Shill names in service_constants.h.
	// See FakeShillManagerClient::SetInitialNetworkState for implementation.
	// Examples:
	// 'clear=1' - Clears all default configurations
	// 'wifi=on' - A wifi network is initially connected ('1' also works)
	// 'wifi=off' - Wifi networks are all initially disconnected ('0' also works)
	// 'wifi=disabled' - Wifi is initially disabled
	// 'wifi=none' - Wifi is unavailable
	// 'wifi=portal' - Wifi connection will be in Portal state
	// 'cellular=1' - Cellular is initially connected
	// 'cellular=LTE' - Cellular is initially connected, technology is LTE
	// 'interactive=3' - Interactive mode, connect/scan/etc requests take 3 secs
	const char kShillStub[] = "shill-stub";

	// Sends test messages on first call to RequestUpdate (stub only).
	const char kSmsTestMessages[] = "sms-test-messages";

	// Indicates that a stub implementation of CrosSettings that stores settings in
	// memory without signing should be used, treating current user as the owner.
	// This also modifies OwnerSettingsServiceChromeOS::HandlesSetting such that no
	// settings are handled by OwnerSettingsServiceChromeOS.
	// This option is for testing the chromeos build of chrome on the desktop only.
	const char kStubCrosSettings[] = "stub-cros-settings";

	// Indicates that the system is running in dev mode. The dev mode probing is
	// done by session manager.
	const char kSystemDevMode[] = "system-developer-mode";

	// Enables animated transitions during first-run tutorial.
	const char kEnableFirstRunUITransitions[] = "enable-first-run-ui-transitions";

	// Forces first-run UI to be shown for every login.
	const char kForceFirstRunUI[] = "force-first-run-ui";

	// Enables testing for auto update UI.
	const char kTestAutoUpdateUI[] = "test-auto-update-ui";

	// Enables wake on wifi packet feature, which wakes the device on the receipt
	// of network packets from whitelisted sources.
	const char kWakeOnWifiPacket[] = "wake-on-wifi-packet";

	// Screenshot testing: specifies the directory where the golden screenshots are
	// stored.
	const char kGoldenScreenshotsDir[] = "golden-screenshots-dir";

	// Screenshot testing: specifies the directoru where artifacts will be stored.
	const char kArtifactsDir[] = "artifacts-dir";

	// Disable bypass proxy for captive portal authorization.
	const char kDisableCaptivePortalBypassProxy[] =
	"disable-captive-portal-bypass-proxy";

	// Disable automatic timezone update.
	const char kDisableTimeZoneTrackingOption[] =
	"disable-timezone-tracking-option";

	// Switches and optional value for Data Saver prompt on cellular networks.
	const char kDisableDataSaverPrompt[] = "disable-datasaver-prompt";
	const char kEnableDataSaverPrompt[] = "enable-datasaver-prompt";
	const char kDataSaverPromptDemoMode[] = "demo";

	// Control regions data load:
	// "" - default
	// "override" - regions data is read first
	// "hide" - VPD values are hidden
	const char kCrosRegionsMode[] = "cros-regions-mode";
	const char kCrosRegionsModeOverride[] = "override";
	const char kCrosRegionsModeHide[] = "hide";

	// Forces CrOS region value.
	const char kCrosRegion[] = "cros-region";

	// Enables IME menu
	const char kEnableImeMenu[] = "enable-ime-menu";

	// Controls CrOS GaiaId migration for tests:
	// "" - default,
	// "started" - migration started (i.e. all stored user keys will be converted
	// to GaiaId).
	const char kTestCrosGaiaIdMigration[] = "test-cros-gaia-id-migration";
	const char kTestCrosGaiaIdMigrationStarted[] = "started";

	bool WakeOnWifiEnabled() {
	return !base::CommandLine::ForCurrentProcess()->HasSwitch(kDisableWakeOnWifi);
	}

	bool MemoryPressureHandlingEnabled() {
	if (base::FieldTrialList::FindFullName(kMemoryPressureExperimentName) ==
	kMemoryPressureHandlingOff) {
	return false;
	}
	return true;
	}

	base::chromeos::MemoryPressureMonitor::MemoryPressureThresholds
	GetMemoryPressureThresholds() {
	using MemoryPressureMonitor = base::chromeos::MemoryPressureMonitor;

	if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
	kMemoryPressureThresholds)) {
	const std::string group_name =
	base::FieldTrialList::FindFullName(kMemoryPressureExperimentName);
	if (group_name == kConservativeThreshold)
	return MemoryPressureMonitor::THRESHOLD_CONSERVATIVE;
	if (group_name == kAggressiveCacheDiscardThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_CACHE_DISCARD;
	if (group_name == kAggressiveTabDiscardThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_TAB_DISCARD;
	if (group_name == kAggressiveThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE;
	return MemoryPressureMonitor::THRESHOLD_DEFAULT;
	}

	const std::string option =
	base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
	kMemoryPressureThresholds);
	if (option == kConservativeThreshold)
	return MemoryPressureMonitor::THRESHOLD_CONSERVATIVE;
	if (option == kAggressiveCacheDiscardThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_CACHE_DISCARD;
	if (option == kAggressiveTabDiscardThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE_TAB_DISCARD;
	if (option == kAggressiveThreshold)
	return MemoryPressureMonitor::THRESHOLD_AGGRESSIVE;

	return MemoryPressureMonitor::THRESHOLD_DEFAULT;
	}

	bool IsImeMenuEnabled() {
	return base::CommandLine::ForCurrentProcess()->HasSwitch(kEnableImeMenu);
	}

	bool IsGaiaIdMigrationStarted() {
	base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
	if (!command_line->HasSwitch(kTestCrosGaiaIdMigration))
	return false;

	return command_line->GetSwitchValueASCII(kTestCrosGaiaIdMigration) ==
	kTestCrosGaiaIdMigrationStarted;
	}

	} // namespace switches
	} // namespace chromeos