// 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/browser/about_flags.h" #include #include #include #include #include "base/command_line.h" #include "base/memory/singleton.h" #include "base/metrics/sparse_histogram.h" #include "base/numerics/safe_conversions.h" #include "base/stl_util.h" #include "base/strings/string_number_conversions.h" #include "base/strings/string_util.h" #include "base/strings/utf_string_conversions.h" #include "base/values.h" #include "cc/base/switches.h" #include "chrome/browser/bookmarks/enhanced_bookmarks_features.h" #include "chrome/browser/flags_storage.h" #include "chrome/common/chrome_content_client.h" #include "chrome/common/chrome_switches.h" #include "chrome/grit/generated_resources.h" #include "components/autofill/core/common/autofill_switches.h" #include "components/cloud_devices/common/cloud_devices_switches.h" #include "components/metrics/metrics_hashes.h" #include "components/nacl/common/nacl_switches.h" #include "components/search/search_switches.h" #include "content/public/browser/user_metrics.h" #include "extensions/common/switches.h" #include "media/base/media_switches.h" #include "ui/base/l10n/l10n_util.h" #include "ui/base/ui_base_switches.h" #include "ui/display/display_switches.h" #include "ui/events/event_switches.h" #include "ui/gfx/switches.h" #include "ui/gl/gl_switches.h" #include "ui/keyboard/keyboard_switches.h" #include "ui/native_theme/native_theme_switches.h" #include "ui/views/views_switches.h" #if defined(OS_ANDROID) #include "chrome/common/chrome_version_info.h" #include "components/data_reduction_proxy/common/data_reduction_proxy_switches.h" #include "components/omnibox/omnibox_switches.h" #else #include "ui/message_center/message_center_switches.h" #endif #if defined(USE_ASH) #include "ash/ash_switches.h" #endif #if defined(OS_CHROMEOS) #include "chromeos/chromeos_switches.h" #include "third_party/cros_system_api/switches/chrome_switches.h" #endif #if defined(ENABLE_APP_LIST) #include "ui/app_list/app_list_switches.h" #endif using base::UserMetricsAction; namespace about_flags { const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0; // Macros to simplify specifying the type. #define SINGLE_VALUE_TYPE_AND_VALUE(command_line_switch, switch_value) \ Experiment::SINGLE_VALUE, \ command_line_switch, switch_value, NULL, NULL, NULL, 0 #define SINGLE_VALUE_TYPE(command_line_switch) \ SINGLE_VALUE_TYPE_AND_VALUE(command_line_switch, "") #define ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(enable_switch, enable_value, \ disable_switch, disable_value) \ Experiment::ENABLE_DISABLE_VALUE, enable_switch, enable_value, \ disable_switch, disable_value, NULL, 3 #define ENABLE_DISABLE_VALUE_TYPE(enable_switch, disable_switch) \ ENABLE_DISABLE_VALUE_TYPE_AND_VALUE(enable_switch, "", disable_switch, "") #define MULTI_VALUE_TYPE(choices) \ Experiment::MULTI_VALUE, NULL, NULL, NULL, NULL, choices, arraysize(choices) namespace { const unsigned kOsAll = kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid; const unsigned kOsDesktop = kOsMac | kOsWin | kOsLinux | kOsCrOS; // Adds a |StringValue| to |list| for each platform where |bitmask| indicates // whether the experiment is available on that platform. void AddOsStrings(unsigned bitmask, base::ListValue* list) { struct { unsigned bit; const char* const name; } kBitsToOs[] = { {kOsMac, "Mac"}, {kOsWin, "Windows"}, {kOsLinux, "Linux"}, {kOsCrOS, "Chrome OS"}, {kOsAndroid, "Android"}, {kOsCrOSOwnerOnly, "Chrome OS (owner only)"}, }; for (size_t i = 0; i < ARRAYSIZE_UNSAFE(kBitsToOs); ++i) if (bitmask & kBitsToOs[i].bit) list->Append(new base::StringValue(kBitsToOs[i].name)); } // Convert switch constants to proper CommandLine::StringType strings. CommandLine::StringType GetSwitchString(const std::string& flag) { CommandLine cmd_line(CommandLine::NO_PROGRAM); cmd_line.AppendSwitch(flag); DCHECK_EQ(2U, cmd_line.argv().size()); return cmd_line.argv()[1]; } // Scoops flags from a command line. std::set ExtractFlagsFromCommandLine( const CommandLine& cmdline) { std::set flags; // First do the ones between --flag-switches-begin and --flag-switches-end. CommandLine::StringVector::const_iterator first = std::find(cmdline.argv().begin(), cmdline.argv().end(), GetSwitchString(switches::kFlagSwitchesBegin)); CommandLine::StringVector::const_iterator last = std::find(cmdline.argv().begin(), cmdline.argv().end(), GetSwitchString(switches::kFlagSwitchesEnd)); if (first != cmdline.argv().end() && last != cmdline.argv().end()) flags.insert(first + 1, last); #if defined(OS_CHROMEOS) // Then add those between --policy-switches-begin and --policy-switches-end. first = std::find(cmdline.argv().begin(), cmdline.argv().end(), GetSwitchString(chromeos::switches::kPolicySwitchesBegin)); last = std::find(cmdline.argv().begin(), cmdline.argv().end(), GetSwitchString(chromeos::switches::kPolicySwitchesEnd)); if (first != cmdline.argv().end() && last != cmdline.argv().end()) flags.insert(first + 1, last); #endif return flags; } const Experiment::Choice kEnableDisplayList2DcanvasChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableDisplayList2dCanvas, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableDisplayList2dCanvas, ""}, }; const Experiment::Choice kEnableCompositingForTransitionChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableCompositingForTransition, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableCompositingForTransition, ""}, }; const Experiment::Choice kTouchEventsChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_AUTOMATIC, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kTouchEvents, switches::kTouchEventsEnabled }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kTouchEvents, switches::kTouchEventsDisabled } }; #if defined(USE_AURA) const Experiment::Choice kOverscrollHistoryNavigationChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kOverscrollHistoryNavigation, "0" }, { IDS_OVERSCROLL_HISTORY_NAVIGATION_SIMPLE_UI, switches::kOverscrollHistoryNavigation, "2" } }; #endif #if defined(OS_CHROMEOS) || defined(OS_WIN) || defined(OS_LINUX) const Experiment::Choice kDeviceScaleFactorChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", ""}, { IDS_DEVICE_SCALE_FACTOR_1_1, switches::kForceDeviceScaleFactor, "1.1"}, { IDS_DEVICE_SCALE_FACTOR_1_2, switches::kForceDeviceScaleFactor, "1.2"}, { IDS_DEVICE_SCALE_FACTOR_1_25, switches::kForceDeviceScaleFactor, "1.25"}, { IDS_DEVICE_SCALE_FACTOR_1_3, switches::kForceDeviceScaleFactor, "1.3"}, { IDS_DEVICE_SCALE_FACTOR_1_4, switches::kForceDeviceScaleFactor, "1.4"}, { IDS_DEVICE_SCALE_FACTOR_2, switches::kForceDeviceScaleFactor, "2"}, }; #endif #if !defined(DISABLE_NACL) const Experiment::Choice kNaClDebugMaskChoices[] = { // Secure shell can be used on ChromeOS for forwarding the TCP port opened by // debug stub to a remote machine. Since secure shell uses NaCl, we usually // want to avoid debugging that. The PNaCl translator is also a NaCl module, // so by default we want to avoid debugging that. // NOTE: As the default value must be the empty string, the mask excluding // the PNaCl translator and secure shell is substituted elsewhere. { IDS_NACL_DEBUG_MASK_CHOICE_EXCLUDE_UTILS_PNACL, "", "" }, { IDS_NACL_DEBUG_MASK_CHOICE_DEBUG_ALL, switches::kNaClDebugMask, "*://*" }, { IDS_NACL_DEBUG_MASK_CHOICE_INCLUDE_DEBUG, switches::kNaClDebugMask, "*://*/*debug.nmf" } }; #endif const Experiment::Choice kImplSidePaintingChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableImplSidePainting, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableImplSidePainting, ""} }; const Experiment::Choice kLCDTextChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableLCDText, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableLCDText, ""} }; const Experiment::Choice kDistanceFieldTextChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableDistanceFieldText, "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableDistanceFieldText, "" } }; #ifndef USE_AURA const Experiment::Choice kDelegatedRendererChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableDelegatedRenderer, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableDelegatedRenderer, ""} }; #endif const Experiment::Choice kMaxTilesForInterestAreaChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_SHORT, cc::switches::kMaxTilesForInterestArea, "64"}, { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_TALL, cc::switches::kMaxTilesForInterestArea, "128"}, { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_GRANDE, cc::switches::kMaxTilesForInterestArea, "256"}, { IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_VENTI, cc::switches::kMaxTilesForInterestArea, "512"} }; const Experiment::Choice kDefaultTileWidthChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_DEFAULT_TILE_WIDTH_SHORT, switches::kDefaultTileWidth, "128"}, { IDS_FLAGS_DEFAULT_TILE_WIDTH_TALL, switches::kDefaultTileWidth, "256"}, { IDS_FLAGS_DEFAULT_TILE_WIDTH_GRANDE, switches::kDefaultTileWidth, "512"}, { IDS_FLAGS_DEFAULT_TILE_WIDTH_VENTI, switches::kDefaultTileWidth, "1024"} }; const Experiment::Choice kDefaultTileHeightChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_DEFAULT_TILE_HEIGHT_SHORT, switches::kDefaultTileHeight, "128"}, { IDS_FLAGS_DEFAULT_TILE_HEIGHT_TALL, switches::kDefaultTileHeight, "256"}, { IDS_FLAGS_DEFAULT_TILE_HEIGHT_GRANDE, switches::kDefaultTileHeight, "512"}, { IDS_FLAGS_DEFAULT_TILE_HEIGHT_VENTI, switches::kDefaultTileHeight, "1024"} }; const Experiment::Choice kSimpleCacheBackendChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kUseSimpleCacheBackend, "off" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kUseSimpleCacheBackend, "on"} }; #if defined(USE_AURA) const Experiment::Choice kTabCaptureUpscaleQualityChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_FAST, switches::kTabCaptureUpscaleQuality, "fast" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_GOOD, switches::kTabCaptureUpscaleQuality, "good" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_BEST, switches::kTabCaptureUpscaleQuality, "best" }, }; const Experiment::Choice kTabCaptureDownscaleQualityChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_FAST, switches::kTabCaptureDownscaleQuality, "fast" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_GOOD, switches::kTabCaptureDownscaleQuality, "good" }, { IDS_FLAGS_TAB_CAPTURE_SCALE_QUALITY_BEST, switches::kTabCaptureDownscaleQuality, "best" }, }; #endif #if defined(USE_AURA) || defined(OS_LINUX) const Experiment::Choice kOverlayScrollbarChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableOverlayScrollbar, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableOverlayScrollbar, ""} }; #endif const Experiment::Choice kZeroCopyChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableZeroCopy, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableZeroCopy, ""} }; #if defined(OS_ANDROID) const Experiment::Choice kZeroSuggestExperimentsChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_ZERO_SUGGEST_MOST_VISITED, switches::kEnableZeroSuggestMostVisited, ""}, { IDS_FLAGS_ZERO_SUGGEST_ETHER_SERP, switches::kEnableZeroSuggestEtherSerp, ""}, { IDS_FLAGS_ZERO_SUGGEST_ETHER_NO_SERP, switches::kEnableZeroSuggestEtherNoSerp, ""}, { IDS_FLAGS_ZERO_SUGGEST_PERSONALIZED, switches::kEnableZeroSuggestPersonalized, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableZeroSuggest, ""} }; #endif const Experiment::Choice kNumRasterThreadsChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_NUM_RASTER_THREADS_ONE, switches::kNumRasterThreads, "1" }, { IDS_FLAGS_NUM_RASTER_THREADS_TWO, switches::kNumRasterThreads, "2" }, { IDS_FLAGS_NUM_RASTER_THREADS_THREE, switches::kNumRasterThreads, "3" }, { IDS_FLAGS_NUM_RASTER_THREADS_FOUR, switches::kNumRasterThreads, "4" } }; const Experiment::Choice kEnableGpuRasterizationChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableGpuRasterization, "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableGpuRasterization, "" }, { IDS_FLAGS_FORCE_GPU_RASTERIZATION, switches::kForceGpuRasterization, "" }, }; // 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 Experiment::Choice kSearchButtonInOmniboxChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableSearchButtonInOmnibox, ""}, { IDS_FLAGS_SEARCH_BUTTON_IN_OMNIBOX_ENABLE_FOR_STR, switches::kEnableSearchButtonInOmniboxForStr, ""}, { IDS_FLAGS_SEARCH_BUTTON_IN_OMNIBOX_ENABLE_FOR_STR_OR_IIP, switches::kEnableSearchButtonInOmniboxForStrOrIip, ""}, { IDS_FLAGS_SEARCH_BUTTON_IN_OMNIBOX_ENABLED, switches::kEnableSearchButtonInOmniboxAlways, ""} }; // See comment above for kSearchButtonInOmniboxChoices. The same reasoning // applies here. const Experiment::Choice kOriginChipChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableOriginChip, ""}, { IDS_FLAGS_ORIGIN_CHIP_ALWAYS, switches::kEnableOriginChipAlways, ""}, { IDS_FLAGS_ORIGIN_CHIP_ON_SRP, switches::kEnableOriginChipOnSrp, ""} }; const Experiment::Choice kTouchScrollingModeChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_TOUCH_SCROLLING_MODE_TOUCHCANCEL, switches::kTouchScrollingMode, switches::kTouchScrollingModeTouchcancel }, { IDS_FLAGS_TOUCH_SCROLLING_MODE_ASYNC_TOUCHMOVE, switches::kTouchScrollingMode, switches::kTouchScrollingModeAsyncTouchmove }, { IDS_FLAGS_TOUCH_SCROLLING_MODE_SYNC_TOUCHMOVE, switches::kTouchScrollingMode, switches::kTouchScrollingModeSyncTouchmove }, }; #if defined(ENABLE_APP_LIST) const Experiment::Choice kEnableSyncAppListChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, app_list::switches::kEnableSyncAppList, "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, app_list::switches::kDisableSyncAppList, "" }, }; #endif const Experiment::Choice kExtensionContentVerificationChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_BOOTSTRAP, switches::kExtensionContentVerification, switches::kExtensionContentVerificationBootstrap }, { IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_ENFORCE, switches::kExtensionContentVerification, switches::kExtensionContentVerificationEnforce }, { IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_ENFORCE_STRICT, switches::kExtensionContentVerification, switches::kExtensionContentVerificationEnforceStrict }, }; #if defined(OS_ANDROID) const Experiment::Choice kAnswersInSuggestChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableAnswersInSuggest, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kDisableAnswersInSuggest, ""} }; #endif const Experiment::Choice kEnableSettingsWindowChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, ::switches::kEnableSettingsWindow, "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, ::switches::kDisableSettingsWindow, "" }, }; // Note that the value is specified in seconds (where 0 is equivalent to // disabled). const Experiment::Choice kRememberCertificateErrorDecisionsChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kRememberCertErrorDecisions, "-1" }, { IDS_REMEMBER_CERTIFICATE_ERROR_DECISION_CHOICE_ONE_DAY, switches::kRememberCertErrorDecisions, "86400" }, { IDS_REMEMBER_CERTIFICATE_ERROR_DECISION_CHOICE_THREE_DAYS, switches::kRememberCertErrorDecisions, "259200" }, { IDS_REMEMBER_CERTIFICATE_ERROR_DECISION_CHOICE_ONE_WEEK, switches::kRememberCertErrorDecisions, "604800" }, { IDS_REMEMBER_CERTIFICATE_ERROR_DECISION_CHOICE_ONE_MONTH, switches::kRememberCertErrorDecisions, "2592000" }, { IDS_REMEMBER_CERTIFICATE_ERROR_DECISION_CHOICE_THREE_MONTHS, switches::kRememberCertErrorDecisions, "7776000" }, }; const Experiment::Choice kEnableDropSyncCredentialChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, password_manager::switches::kEnableDropSyncCredential, "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, password_manager::switches::kDisableDropSyncCredential, "" }, }; #if defined(OS_MACOSX) const Experiment::Choice kEnableAVFoundationChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", "" }, { IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, switches::kEnableAVFoundation, ""}, { IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, switches::kForceQTKit, ""} }; #endif const Experiment::Choice kAutofillSyncCredentialChoices[] = { { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, "", ""}, { IDS_ALLOW_AUTOFILL_SYNC_CREDENTIAL, password_manager::switches::kAllowAutofillSyncCredential, ""}, { IDS_DISALLOW_AUTOFILL_SYNC_CREDENTIAL_FOR_REAUTH, password_manager::switches::kDisallowAutofillSyncCredentialForReauth, ""}, { IDS_DISALLOW_AUTOFILL_SYNC_CREDENTIAL, password_manager::switches::kDisallowAutofillSyncCredential, ""}, }; // RECORDING USER METRICS FOR FLAGS: // ----------------------------------------------------------------------------- // The first line of the experiment is the internal name. If you'd like to // gather statistics about the usage of your flag, you should append a marker // comment to the end of the feature name, like so: // "my-special-feature", // FLAGS:RECORD_UMA // // After doing that, run // tools/metrics/actions/extract_actions.py // to add the metric to actions.xml (which will enable UMA to record your // feature flag), then update the s and sections. Make sure // to include the actions.xml file when you upload your code for review! // // After your feature has shipped under a flag, you can locate the metrics under // the action name AboutFlags_internal-action-name. Actions are recorded once // per startup, so you should divide this number by AboutFlags_StartupTick to // get a sense of usage. Note that this will not be the same as number of users // with a given feature enabled because users can quit and relaunch the // application multiple times over a given time interval. The dashboard also // shows you how many (metrics reporting) users have enabled the flag over the // last seven days. However, note that this is not the same as the number of // users who have the flag enabled, since enabling the flag happens once, // whereas running with the flag enabled happens until the user flips the flag // again. // To add a new experiment add to the end of kExperiments. There are two // distinct types of experiments: // . SINGLE_VALUE: experiment is either on or off. Use the SINGLE_VALUE_TYPE // macro for this type supplying the command line to the macro. // . MULTI_VALUE: a list of choices, the first of which should correspond to a // deactivated state for this lab (i.e. no command line option). To specify // this type of experiment use the macro MULTI_VALUE_TYPE supplying it the // array of choices. // See the documentation of Experiment for details on the fields. // // Command-line switches must have entries in enum "LoginCustomFlags" in // histograms.xml. See note in histograms.xml and don't forget to run // AboutFlagsHistogramTest unit test to calculate and verify checksum. // // When adding a new choice, add it to the end of the list. const Experiment kExperiments[] = { { "ignore-gpu-blacklist", IDS_FLAGS_IGNORE_GPU_BLACKLIST_NAME, IDS_FLAGS_IGNORE_GPU_BLACKLIST_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kIgnoreGpuBlacklist) }, { "disable_layer_squashing", IDS_FLAGS_DISABLE_LAYER_SQUASHING_NAME, IDS_FLAGS_DISABLE_LAYER_SQUASHING_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisableLayerSquashing) }, #if defined(OS_WIN) { "disable-direct-write", IDS_FLAGS_DISABLE_DIRECT_WRITE_NAME, IDS_FLAGS_DISABLE_DIRECT_WRITE_DESCRIPTION, kOsWin, SINGLE_VALUE_TYPE(switches::kDisableDirectWrite) }, #endif { "enable-experimental-canvas-features", IDS_FLAGS_ENABLE_EXPERIMENTAL_CANVAS_FEATURES_NAME, IDS_FLAGS_ENABLE_EXPERIMENTAL_CANVAS_FEATURES_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableExperimentalCanvasFeatures) }, { "disable-accelerated-2d-canvas", IDS_FLAGS_DISABLE_ACCELERATED_2D_CANVAS_NAME, IDS_FLAGS_DISABLE_ACCELERATED_2D_CANVAS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisableAccelerated2dCanvas) }, { "enable-display-list-2d-canvas", IDS_FLAGS_ENABLE_DISPLAY_LIST_2D_CANVAS_NAME, IDS_FLAGS_ENABLE_DISPLAY_LIST_2D_CANVAS_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kEnableDisplayList2DcanvasChoices) }, { "composited-layer-borders", IDS_FLAGS_COMPOSITED_LAYER_BORDERS, IDS_FLAGS_COMPOSITED_LAYER_BORDERS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(cc::switches::kShowCompositedLayerBorders) }, { "show-fps-counter", IDS_FLAGS_SHOW_FPS_COUNTER, IDS_FLAGS_SHOW_FPS_COUNTER_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(cc::switches::kShowFPSCounter) }, { "disable-webgl", IDS_FLAGS_DISABLE_WEBGL_NAME, IDS_FLAGS_DISABLE_WEBGL_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisableExperimentalWebGL) }, { "disable-webrtc", IDS_FLAGS_DISABLE_WEBRTC_NAME, IDS_FLAGS_DISABLE_WEBRTC_DESCRIPTION, kOsAndroid, #if defined(OS_ANDROID) SINGLE_VALUE_TYPE(switches::kDisableWebRTC) #else SINGLE_VALUE_TYPE("") #endif }, #if defined(ENABLE_WEBRTC) { "disable-webrtc-hw-decoding", IDS_FLAGS_DISABLE_WEBRTC_HW_DECODING_NAME, IDS_FLAGS_DISABLE_WEBRTC_HW_DECODING_DESCRIPTION, kOsAndroid | kOsCrOS, SINGLE_VALUE_TYPE(switches::kDisableWebRtcHWDecoding) }, { "disable-webrtc-hw-encoding", IDS_FLAGS_DISABLE_WEBRTC_HW_ENCODING_NAME, IDS_FLAGS_DISABLE_WEBRTC_HW_ENCODING_DESCRIPTION, kOsAndroid | kOsCrOS, SINGLE_VALUE_TYPE(switches::kDisableWebRtcHWEncoding) }, #endif #if defined(OS_ANDROID) { "disable-webaudio", IDS_FLAGS_DISABLE_WEBAUDIO_NAME, IDS_FLAGS_DISABLE_WEBAUDIO_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kDisableWebAudio) }, #endif { "enable-compositing-for-transition", IDS_FLAGS_COMPOSITING_FOR_TRANSITION_NAME, IDS_FLAGS_COMPOSITING_FOR_TRANSITION_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kEnableCompositingForTransitionChoices) }, // Native client is compiled out when DISABLE_NACL is defined. #if !defined(DISABLE_NACL) { "enable-nacl", // FLAGS:RECORD_UMA IDS_FLAGS_ENABLE_NACL_NAME, IDS_FLAGS_ENABLE_NACL_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableNaCl) }, { "enable-nacl-debug", // FLAGS:RECORD_UMA IDS_FLAGS_ENABLE_NACL_DEBUG_NAME, IDS_FLAGS_ENABLE_NACL_DEBUG_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableNaClDebug) }, { "nacl-debug-mask", // FLAGS:RECORD_UMA IDS_FLAGS_NACL_DEBUG_MASK_NAME, IDS_FLAGS_NACL_DEBUG_MASK_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kNaClDebugMaskChoices) }, #endif { "extension-apis", // FLAGS:RECORD_UMA IDS_FLAGS_EXPERIMENTAL_EXTENSION_APIS_NAME, IDS_FLAGS_EXPERIMENTAL_EXTENSION_APIS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(extensions::switches::kEnableExperimentalExtensionApis) }, { "extensions-on-chrome-urls", IDS_FLAGS_EXTENSIONS_ON_CHROME_URLS_NAME, IDS_FLAGS_EXTENSIONS_ON_CHROME_URLS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(extensions::switches::kExtensionsOnChromeURLs) }, { "enable-fast-unload", IDS_FLAGS_ENABLE_FAST_UNLOAD_NAME, IDS_FLAGS_ENABLE_FAST_UNLOAD_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableFastUnload) }, { "enable-app-window-controls", IDS_FLAGS_ENABLE_APP_WINDOW_CONTROLS_NAME, IDS_FLAGS_ENABLE_APP_WINDOW_CONTROLS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(extensions::switches::kEnableAppWindowControls) }, { "disable-hyperlink-auditing", IDS_FLAGS_DISABLE_HYPERLINK_AUDITING_NAME, IDS_FLAGS_DISABLE_HYPERLINK_AUDITING_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kNoPings) }, #if defined(OS_ANDROID) { "contextual-search", IDS_FLAGS_ENABLE_CONTEXTUAL_SEARCH, IDS_FLAGS_ENABLE_CONTEXTUAL_SEARCH_DESCRIPTION, kOsAndroid, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableContextualSearch, switches::kDisableContextualSearch) }, #endif { "show-autofill-type-predictions", IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_NAME, IDS_FLAGS_SHOW_AUTOFILL_TYPE_PREDICTIONS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(autofill::switches::kShowAutofillTypePredictions) }, { "enable-smooth-scrolling", // FLAGS:RECORD_UMA IDS_FLAGS_ENABLE_SMOOTH_SCROLLING_NAME, IDS_FLAGS_ENABLE_SMOOTH_SCROLLING_DESCRIPTION, // Can't expose the switch unless the code is compiled in. // On by default for the Mac (different implementation in WebKit). kOsLinux, SINGLE_VALUE_TYPE(switches::kEnableSmoothScrolling) }, #if defined(USE_AURA) || defined(OS_LINUX) { "overlay-scrollbars", IDS_FLAGS_ENABLE_OVERLAY_SCROLLBARS_NAME, IDS_FLAGS_ENABLE_OVERLAY_SCROLLBARS_DESCRIPTION, // Uses the system preference on Mac (a different implementation). // On Android, this is always enabled. kOsLinux | kOsCrOS | kOsWin, MULTI_VALUE_TYPE(kOverlayScrollbarChoices) }, #endif { "enable-panels", IDS_FLAGS_ENABLE_PANELS_NAME, IDS_FLAGS_ENABLE_PANELS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnablePanels) }, { // See http://crbug.com/120416 for how to remove this flag. "save-page-as-mhtml", // FLAGS:RECORD_UMA IDS_FLAGS_SAVE_PAGE_AS_MHTML_NAME, IDS_FLAGS_SAVE_PAGE_AS_MHTML_DESCRIPTION, kOsMac | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(switches::kSavePageAsMHTML) }, { "enable-quic", IDS_FLAGS_ENABLE_QUIC_NAME, IDS_FLAGS_ENABLE_QUIC_DESCRIPTION, kOsAll, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableQuic, switches::kDisableQuic) }, { "enable-spdy4", IDS_FLAGS_ENABLE_SPDY4_NAME, IDS_FLAGS_ENABLE_SPDY4_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableSpdy4) }, { "enable-async-dns", IDS_FLAGS_ENABLE_ASYNC_DNS_NAME, IDS_FLAGS_ENABLE_ASYNC_DNS_DESCRIPTION, kOsWin | kOsMac | kOsLinux | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableAsyncDns, switches::kDisableAsyncDns) }, { "disable-media-source", IDS_FLAGS_DISABLE_MEDIA_SOURCE_NAME, IDS_FLAGS_DISABLE_MEDIA_SOURCE_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisableMediaSource) }, { "enable-encrypted-media", IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_NAME, IDS_FLAGS_ENABLE_ENCRYPTED_MEDIA_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableEncryptedMedia) }, { "disable-prefixed-encrypted-media", IDS_FLAGS_DISABLE_PREFIXED_ENCRYPTED_MEDIA_NAME, IDS_FLAGS_DISABLE_PREFIXED_ENCRYPTED_MEDIA_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisablePrefixedEncryptedMedia) }, #if defined(OS_ANDROID) { "disable-infobar-for-protected-media-identifier", IDS_FLAGS_DISABLE_INFOBAR_FOR_PROTECTED_MEDIA_IDENTIFIER_NAME, IDS_FLAGS_DISABLE_INFOBAR_FOR_PROTECTED_MEDIA_IDENTIFIER_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kDisableInfobarForProtectedMediaIdentifier) }, { "mediadrm-enable-non-compositing", IDS_FLAGS_MEDIADRM_ENABLE_NON_COMPOSITING_NAME, IDS_FLAGS_MEDIADRM_ENABLE_NON_COMPOSITING_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kMediaDrmEnableNonCompositing) }, #endif // defined(OS_ANDROID) { "enable-javascript-harmony", IDS_FLAGS_ENABLE_JAVASCRIPT_HARMONY_NAME, IDS_FLAGS_ENABLE_JAVASCRIPT_HARMONY_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE_AND_VALUE(switches::kJavaScriptFlags, "--harmony") }, { "disable-software-rasterizer", IDS_FLAGS_DISABLE_SOFTWARE_RASTERIZER_NAME, IDS_FLAGS_DISABLE_SOFTWARE_RASTERIZER_DESCRIPTION, #if defined(ENABLE_SWIFTSHADER) kOsAll, #else 0, #endif SINGLE_VALUE_TYPE(switches::kDisableSoftwareRasterizer) }, { "enable-gpu-rasterization", IDS_FLAGS_ENABLE_GPU_RASTERIZATION_NAME, IDS_FLAGS_ENABLE_GPU_RASTERIZATION_DESCRIPTION, kOsAndroid, MULTI_VALUE_TYPE(kEnableGpuRasterizationChoices) }, { "enable-experimental-web-platform-features", IDS_FLAGS_EXPERIMENTAL_WEB_PLATFORM_FEATURES_NAME, IDS_FLAGS_EXPERIMENTAL_WEB_PLATFORM_FEATURES_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableExperimentalWebPlatformFeatures) }, { "disable-ntp-other-sessions-menu", IDS_FLAGS_NTP_OTHER_SESSIONS_MENU_NAME, IDS_FLAGS_NTP_OTHER_SESSIONS_MENU_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kDisableNTPOtherSessionsMenu) }, { "enable-material-design-ntp", IDS_FLAGS_ENABLE_MATERIAL_DESIGN_NTP_NAME, IDS_FLAGS_ENABLE_MATERIAL_DESIGN_NTP_DESCRIPTION, kOsDesktop, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableMaterialDesignNTP, switches::kDisableMaterialDesignNTP) }, { "enable-devtools-experiments", IDS_FLAGS_ENABLE_DEVTOOLS_EXPERIMENTS_NAME, IDS_FLAGS_ENABLE_DEVTOOLS_EXPERIMENTS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableDevToolsExperiments) }, { "silent-debugger-extension-api", IDS_FLAGS_SILENT_DEBUGGER_EXTENSION_API_NAME, IDS_FLAGS_SILENT_DEBUGGER_EXTENSION_API_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kSilentDebuggerExtensionAPI) }, { "spellcheck-autocorrect", IDS_FLAGS_SPELLCHECK_AUTOCORRECT, IDS_FLAGS_SPELLCHECK_AUTOCORRECT_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(switches::kEnableSpellingAutoCorrect) }, { "enable-scroll-prediction", IDS_FLAGS_ENABLE_SCROLL_PREDICTION_NAME, IDS_FLAGS_ENABLE_SCROLL_PREDICTION_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableScrollPrediction) }, { "touch-events", IDS_TOUCH_EVENTS_NAME, IDS_TOUCH_EVENTS_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kTouchEventsChoices) }, { "disable-touch-adjustment", IDS_DISABLE_TOUCH_ADJUSTMENT_NAME, IDS_DISABLE_TOUCH_ADJUSTMENT_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(switches::kDisableTouchAdjustment) }, #if defined(OS_CHROMEOS) { "network-portal-notification", IDS_FLAGS_NETWORK_PORTAL_NOTIFICATION_NAME, IDS_FLAGS_NETWORK_PORTAL_NOTIFICATION_DESCRIPTION, kOsCrOS, ENABLE_DISABLE_VALUE_TYPE( chromeos::switches::kEnableNetworkPortalNotification, chromeos::switches::kDisableNetworkPortalNotification) }, #endif { "enable-download-resumption", IDS_FLAGS_ENABLE_DOWNLOAD_RESUMPTION_NAME, IDS_FLAGS_ENABLE_DOWNLOAD_RESUMPTION_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableDownloadResumption) }, #if defined(ENABLE_PLUGINS) { "allow-nacl-socket-api", IDS_FLAGS_ALLOW_NACL_SOCKET_API_NAME, IDS_FLAGS_ALLOW_NACL_SOCKET_API_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE_AND_VALUE(switches::kAllowNaClSocketAPI, "*") }, #endif #if defined(OS_CHROMEOS) || defined(OS_WIN) || defined(OS_LINUX) { "force-device-scale-factor", IDS_FLAGS_FORCE_DEVICE_SCALE_FACTOR_NAME, IDS_FLAGS_FORCE_DEVICE_SCALE_FACTOR_DESCRIPTION, kOsLinux | kOsWin | kOsCrOS, MULTI_VALUE_TYPE(kDeviceScaleFactorChoices) }, #endif #if defined(OS_CHROMEOS) { "allow-touchpad-three-finger-click", IDS_FLAGS_ALLOW_TOUCHPAD_THREE_FINGER_CLICK_NAME, IDS_FLAGS_ALLOW_TOUCHPAD_THREE_FINGER_CLICK_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kEnableTouchpadThreeFingerClick) }, #endif #if defined(USE_ASH) { "disable-minimize-on-second-launcher-item-click", IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_NAME, IDS_FLAGS_DISABLE_MINIMIZE_ON_SECOND_LAUNCHER_ITEM_CLICK_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kDisableMinimizeOnSecondLauncherItemClick) }, { "show-touch-hud", IDS_FLAGS_SHOW_TOUCH_HUD_NAME, IDS_FLAGS_SHOW_TOUCH_HUD_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(ash::switches::kAshTouchHud) }, { "enable-pinch", IDS_FLAGS_ENABLE_PINCH_SCALE_NAME, IDS_FLAGS_ENABLE_PINCH_SCALE_DESCRIPTION, kOsLinux | kOsWin | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnablePinch, switches::kDisablePinch), }, #endif // defined(USE_ASH) { "enable-pinch-virtual-viewport", IDS_FLAGS_ENABLE_PINCH_VIRTUAL_VIEWPORT_NAME, IDS_FLAGS_ENABLE_PINCH_VIRTUAL_VIEWPORT_DESCRIPTION, kOsLinux | kOsWin | kOsCrOS | kOsAndroid, ENABLE_DISABLE_VALUE_TYPE( cc::switches::kEnablePinchVirtualViewport, cc::switches::kDisablePinchVirtualViewport), }, { "enable-viewport-meta", IDS_FLAGS_ENABLE_VIEWPORT_META_NAME, IDS_FLAGS_ENABLE_VIEWPORT_META_DESCRIPTION, kOsLinux | kOsWin | kOsCrOS | kOsMac, SINGLE_VALUE_TYPE(switches::kEnableViewportMeta), }, #if defined(OS_CHROMEOS) { "disable-boot-animation", IDS_FLAGS_DISABLE_BOOT_ANIMATION, IDS_FLAGS_DISABLE_BOOT_ANIMATION_DESCRIPTION, kOsCrOSOwnerOnly, SINGLE_VALUE_TYPE(chromeos::switches::kDisableBootAnimation), }, { "enable-video-player-chromecast-support", IDS_FLAGS_ENABLE_VIDEO_PLAYER_CHROMECAST_SUPPORT_NAME, IDS_FLAGS_ENABLE_VIDEO_PLAYER_CHROMECAST_SUPPORT_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kEnableVideoPlayerChromecastSupport) }, { "disable-office-editing-component-app", IDS_FLAGS_DISABLE_OFFICE_EDITING_COMPONENT_APP_NAME, IDS_FLAGS_DISABLE_OFFICE_EDITING_COMPONENT_APP_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kDisableOfficeEditingComponentApp), }, { "disable-display-color-calibration", IDS_FLAGS_DISABLE_DISPLAY_COLOR_CALIBRATION_NAME, IDS_FLAGS_DISABLE_DISPLAY_COLOR_CALIBRATION_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(ui::switches::kDisableDisplayColorCalibration), }, #endif // defined(OS_CHROMEOS) { "disable-accelerated-video-decode", IDS_FLAGS_DISABLE_ACCELERATED_VIDEO_DECODE_NAME, IDS_FLAGS_DISABLE_ACCELERATED_VIDEO_DECODE_DESCRIPTION, kOsWin | kOsCrOS, SINGLE_VALUE_TYPE(switches::kDisableAcceleratedVideoDecode), }, #if defined(USE_ASH) { "ash-debug-shortcuts", IDS_FLAGS_DEBUG_SHORTCUTS_NAME, IDS_FLAGS_DEBUG_SHORTCUTS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(ash::switches::kAshDebugShortcuts), }, { "ash-enable-touch-view-testing", IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_NAME, IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TESTING_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(ash::switches::kAshEnableTouchViewTesting), }, { "ash-enable-touch-view-touch-feedback", IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TOUCH_FEEDBACK_NAME, IDS_FLAGS_ASH_ENABLE_TOUCH_VIEW_TOUCH_FEEDBACK_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(ash::switches::kAshEnableTouchViewTouchFeedback), }, { "ash-disable-text-filtering-in-overview-mode", IDS_FLAGS_ASH_DISABLE_TEXT_FILTERING_IN_OVERVIEW_MODE_NAME, IDS_FLAGS_ASH_DISABLE_TEXT_FILTERING_IN_OVERVIEW_MODE_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(ash::switches::kAshDisableTextFilteringInOverviewMode), }, #endif // defined(USE_ASH) #if defined(OS_CHROMEOS) { "enable-carrier-switching", IDS_FLAGS_ENABLE_CARRIER_SWITCHING, IDS_FLAGS_ENABLE_CARRIER_SWITCHING_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kEnableCarrierSwitching) }, { "enable-request-tablet-site", IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_NAME, IDS_FLAGS_ENABLE_REQUEST_TABLET_SITE_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kEnableRequestTabletSite) }, #endif { "debug-packed-apps", IDS_FLAGS_DEBUG_PACKED_APP_NAME, IDS_FLAGS_DEBUG_PACKED_APP_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kDebugPackedApps) }, { "enable-password-generation", IDS_FLAGS_ENABLE_PASSWORD_GENERATION_NAME, IDS_FLAGS_ENABLE_PASSWORD_GENERATION_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS | kOsMac, ENABLE_DISABLE_VALUE_TYPE(autofill::switches::kEnablePasswordGeneration, autofill::switches::kDisablePasswordGeneration) }, { "enable-automatic-password-saving", IDS_FLAGS_ENABLE_AUTOMATIC_PASSWORD_SAVING_NAME, IDS_FLAGS_ENABLE_AUTOMATIC_PASSWORD_SAVING_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE( password_manager::switches::kEnableAutomaticPasswordSaving) }, { "password-manager-reauthentication", IDS_FLAGS_PASSWORD_MANAGER_REAUTHENTICATION_NAME, IDS_FLAGS_PASSWORD_MANAGER_REAUTHENTICATION_DESCRIPTION, kOsMac | kOsWin, SINGLE_VALUE_TYPE(switches::kDisablePasswordManagerReauthentication) }, { "enable-android-password-link", IDS_FLAGS_PASSWORD_MANAGER_ANDROID_LINK_NAME, IDS_FLAGS_PASSWORD_MANAGER_ANDROID_LINK_DESCRIPTION, kOsAndroid, ENABLE_DISABLE_VALUE_TYPE( password_manager::switches::kEnableAndroidPasswordLink, password_manager::switches::kDisableAndroidPasswordLink) }, { "enable-deferred-image-decoding", IDS_FLAGS_ENABLE_DEFERRED_IMAGE_DECODING_NAME, IDS_FLAGS_ENABLE_DEFERRED_IMAGE_DECODING_DESCRIPTION, kOsMac | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(switches::kEnableDeferredImageDecoding) }, { "performance-monitor-gathering", IDS_FLAGS_PERFORMANCE_MONITOR_GATHERING_NAME, IDS_FLAGS_PERFORMANCE_MONITOR_GATHERING_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kPerformanceMonitorGathering) }, { "wallet-service-use-sandbox", IDS_FLAGS_WALLET_SERVICE_USE_SANDBOX_NAME, IDS_FLAGS_WALLET_SERVICE_USE_SANDBOX_DESCRIPTION, kOsAndroid | kOsDesktop, ENABLE_DISABLE_VALUE_TYPE_AND_VALUE( autofill::switches::kWalletServiceUseSandbox, "1", autofill::switches::kWalletServiceUseSandbox, "0") }, #if defined(USE_AURA) { "overscroll-history-navigation", IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_NAME, IDS_FLAGS_OVERSCROLL_HISTORY_NAVIGATION_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kOverscrollHistoryNavigationChoices) }, #endif { "scroll-end-effect", IDS_FLAGS_SCROLL_END_EFFECT_NAME, IDS_FLAGS_SCROLL_END_EFFECT_DESCRIPTION, kOsCrOS, ENABLE_DISABLE_VALUE_TYPE_AND_VALUE( switches::kScrollEndEffect, "1", switches::kScrollEndEffect, "0") }, { "enable-renderer-mojo-channel", IDS_FLAGS_ENABLE_RENDERER_MOJO_CHANNEL_NAME, IDS_FLAGS_ENABLE_RENDERER_MOJO_CHANNEL_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableRendererMojoChannel) }, { "enable-touch-drag-drop", IDS_FLAGS_ENABLE_TOUCH_DRAG_DROP_NAME, IDS_FLAGS_ENABLE_TOUCH_DRAG_DROP_DESCRIPTION, kOsWin | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTouchDragDrop, switches::kDisableTouchDragDrop) }, { "enable-touch-editing", IDS_FLAGS_ENABLE_TOUCH_EDITING_NAME, IDS_FLAGS_ENABLE_TOUCH_EDITING_DESCRIPTION, kOsCrOS | kOsWin | kOsLinux, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTouchEditing, switches::kDisableTouchEditing) }, { "enable-suggestions-service", IDS_FLAGS_ENABLE_SUGGESTIONS_SERVICE_NAME, IDS_FLAGS_ENABLE_SUGGESTIONS_SERVICE_DESCRIPTION, kOsAndroid | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSuggestionsService, switches::kDisableSuggestionsService) }, { "enable-supervised-user-blacklist", IDS_FLAGS_ENABLE_SUPERVISED_USER_BLACKLIST_NAME, IDS_FLAGS_ENABLE_SUPERVISED_USER_BLACKLIST_DESCRIPTION, kOsAndroid | kOsMac | kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(switches::kEnableSupervisedUserBlacklist) }, { "enable-sync-synced-notifications", IDS_FLAGS_ENABLE_SYNCED_NOTIFICATIONS_NAME, IDS_FLAGS_ENABLE_SYNCED_NOTIFICATIONS_DESCRIPTION, kOsDesktop, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSyncSyncedNotifications, switches::kDisableSyncSyncedNotifications) }, #if defined(ENABLE_APP_LIST) { "enable-sync-app-list", IDS_FLAGS_ENABLE_SYNC_APP_LIST_NAME, IDS_FLAGS_ENABLE_SYNC_APP_LIST_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kEnableSyncAppListChoices) }, #endif #if defined(OS_MACOSX) { "enable-avfoundation", IDS_FLAGS_ENABLE_AVFOUNDATION_NAME, IDS_FLAGS_ENABLE_AVFOUNDATION_DESCRIPTION, kOsMac, MULTI_VALUE_TYPE(kEnableAVFoundationChoices) }, #endif { "impl-side-painting", IDS_FLAGS_IMPL_SIDE_PAINTING_NAME, IDS_FLAGS_IMPL_SIDE_PAINTING_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kImplSidePaintingChoices) }, { "lcd-text-aa", IDS_FLAGS_LCD_TEXT_NAME, IDS_FLAGS_LCD_TEXT_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kLCDTextChoices) }, #if defined(OS_ANDROID) || defined(OS_MACOSX) { "delegated-renderer", IDS_FLAGS_DELEGATED_RENDERER_NAME, IDS_FLAGS_DELEGATED_RENDERER_DESCRIPTION, kOsAndroid, // TODO(ccameron) Add mac support soon. MULTI_VALUE_TYPE(kDelegatedRendererChoices) }, #endif { "max-tiles-for-interest-area", IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_NAME, IDS_FLAGS_MAX_TILES_FOR_INTEREST_AREA_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kMaxTilesForInterestAreaChoices) }, { "enable-offline-auto-reload", IDS_FLAGS_ENABLE_OFFLINE_AUTO_RELOAD_NAME, IDS_FLAGS_ENABLE_OFFLINE_AUTO_RELOAD_DESCRIPTION, kOsAll, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableOfflineAutoReload, switches::kDisableOfflineAutoReload) }, { "enable-offline-auto-reload-visible-only", IDS_FLAGS_ENABLE_OFFLINE_AUTO_RELOAD_VISIBLE_ONLY_NAME, IDS_FLAGS_ENABLE_OFFLINE_AUTO_RELOAD_VISIBLE_ONLY_DESCRIPTION, kOsAll, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableOfflineAutoReloadVisibleOnly, switches::kDisableOfflineAutoReloadVisibleOnly) }, { "enable-offline-load-stale-cache", IDS_FLAGS_ENABLE_OFFLINE_LOAD_STALE_NAME, IDS_FLAGS_ENABLE_OFFLINE_LOAD_STALE_DESCRIPTION, kOsLinux | kOsMac | kOsWin | kOsAndroid, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableOfflineLoadStaleCache, switches::kDisableOfflineLoadStaleCache) }, { "default-tile-width", IDS_FLAGS_DEFAULT_TILE_WIDTH_NAME, IDS_FLAGS_DEFAULT_TILE_WIDTH_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kDefaultTileWidthChoices) }, { "default-tile-height", IDS_FLAGS_DEFAULT_TILE_HEIGHT_NAME, IDS_FLAGS_DEFAULT_TILE_HEIGHT_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kDefaultTileHeightChoices) }, #if defined(OS_ANDROID) { "disable-gesture-requirement-for-media-playback", IDS_FLAGS_DISABLE_GESTURE_REQUIREMENT_FOR_MEDIA_PLAYBACK_NAME, IDS_FLAGS_DISABLE_GESTURE_REQUIREMENT_FOR_MEDIA_PLAYBACK_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kDisableGestureRequirementForMediaPlayback) }, #endif #if defined(OS_CHROMEOS) { "enable-virtual-keyboard", IDS_FLAGS_ENABLE_VIRTUAL_KEYBOARD_NAME, IDS_FLAGS_ENABLE_VIRTUAL_KEYBOARD_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(keyboard::switches::kEnableVirtualKeyboard) }, { "enable-virtual-keyboard-overscroll", IDS_FLAGS_ENABLE_VIRTUAL_KEYBOARD_OVERSCROLL_NAME, IDS_FLAGS_ENABLE_VIRTUAL_KEYBOARD_OVERSCROLL_DESCRIPTION, kOsCrOS, ENABLE_DISABLE_VALUE_TYPE( keyboard::switches::kEnableVirtualKeyboardOverscroll, keyboard::switches::kDisableVirtualKeyboardOverscroll) }, { "enable-swipe-selection", IDS_FLAGS_ENABLE_SWIPE_SELECTION_NAME, IDS_FLAGS_ENABLE_SWIPE_SELECTION_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(keyboard::switches::kEnableSwipeSelection) }, { "enable-input-view", IDS_FLAGS_ENABLE_INPUT_VIEW_NAME, IDS_FLAGS_ENABLE_INPUT_VIEW_DESCRIPTION, kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(keyboard::switches::kEnableInputView, keyboard::switches::kDisableInputView) }, { "enable-experimental-input-view-features", IDS_FLAGS_ENABLE_EXPERIMENTAL_INPUT_VIEW_FEATURES_NAME, IDS_FLAGS_ENABLE_EXPERIMENTAL_INPUT_VIEW_FEATURES_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(keyboard::switches::kEnableExperimentalInputViewFeatures) }, #endif { "enable-simple-cache-backend", IDS_FLAGS_ENABLE_SIMPLE_CACHE_BACKEND_NAME, IDS_FLAGS_ENABLE_SIMPLE_CACHE_BACKEND_DESCRIPTION, kOsWin | kOsMac | kOsLinux | kOsCrOS, MULTI_VALUE_TYPE(kSimpleCacheBackendChoices) }, { "enable-tcp-fast-open", IDS_FLAGS_ENABLE_TCP_FAST_OPEN_NAME, IDS_FLAGS_ENABLE_TCP_FAST_OPEN_DESCRIPTION, kOsLinux | kOsCrOS | kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableTcpFastOpen) }, #if defined(ENABLE_SERVICE_DISCOVERY) { "device-discovery-notifications", IDS_FLAGS_DEVICE_DISCOVERY_NOTIFICATIONS_NAME, IDS_FLAGS_DEVICE_DISCOVERY_NOTIFICATIONS_DESCRIPTION, kOsDesktop, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableDeviceDiscoveryNotifications, switches::kDisableDeviceDiscoveryNotifications) }, { "enable-cloud-devices", IDS_FLAGS_ENABLE_CLOUD_DEVICES_NAME, IDS_FLAGS_ENABLE_CLOUD_DEVICES_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableCloudDevices) }, { "enable-print-preview-register-promos", IDS_FLAGS_ENABLE_PRINT_PREVIEW_REGISTER_PROMOS_NAME, IDS_FLAGS_ENABLE_PRINT_PREVIEW_REGISTER_PROMOS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnablePrintPreviewRegisterPromos) }, #endif // ENABLE_SERVICE_DISCOVERY #if defined(OS_WIN) { "enable-cloud-print-xps", IDS_FLAGS_ENABLE_CLOUD_PRINT_XPS_NAME, IDS_FLAGS_ENABLE_CLOUD_PRINT_XPS_DESCRIPTION, kOsWin, SINGLE_VALUE_TYPE(switches::kEnableCloudPrintXps) }, #endif #if defined(USE_AURA) { "tab-capture-upscale-quality", IDS_FLAGS_TAB_CAPTURE_UPSCALE_QUALITY_NAME, IDS_FLAGS_TAB_CAPTURE_UPSCALE_QUALITY_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kTabCaptureUpscaleQualityChoices) }, { "tab-capture-downscale-quality", IDS_FLAGS_TAB_CAPTURE_DOWNSCALE_QUALITY_NAME, IDS_FLAGS_TAB_CAPTURE_DOWNSCALE_QUALITY_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kTabCaptureDownscaleQualityChoices) }, #endif { "enable-spelling-feedback-field-trial", IDS_FLAGS_ENABLE_SPELLING_FEEDBACK_FIELD_TRIAL_NAME, IDS_FLAGS_ENABLE_SPELLING_FEEDBACK_FIELD_TRIAL_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableSpellingFeedbackFieldTrial) }, { "enable-webgl-draft-extensions", IDS_FLAGS_ENABLE_WEBGL_DRAFT_EXTENSIONS_NAME, IDS_FLAGS_ENABLE_WEBGL_DRAFT_EXTENSIONS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableWebGLDraftExtensions) }, { "enable-web-midi", IDS_FLAGS_ENABLE_WEB_MIDI_NAME, IDS_FLAGS_ENABLE_WEB_MIDI_DESCRIPTION, kOsMac | kOsWin | kOsLinux | kOsCrOS | kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableWebMIDI) }, { "enable-new-profile-management", IDS_FLAGS_ENABLE_NEW_PROFILE_MANAGEMENT_NAME, IDS_FLAGS_ENABLE_NEW_PROFILE_MANAGEMENT_DESCRIPTION, kOsAndroid | kOsMac | kOsWin | kOsLinux | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableNewProfileManagement, switches::kDisableNewProfileManagement) }, { "enable-account-consistency", IDS_FLAGS_ENABLE_ACCOUNT_CONSISTENCY_NAME, IDS_FLAGS_ENABLE_ACCOUNT_CONSISTENCY_DESCRIPTION, kOsAndroid | kOsMac | kOsWin | kOsLinux | kOsCrOS, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableAccountConsistency, switches::kDisableAccountConsistency) }, { "enable-fast-user-switching", IDS_FLAGS_ENABLE_FAST_USER_SWITCHING_NAME, IDS_FLAGS_ENABLE_FAST_USER_SWITCHING_DESCRIPTION, kOsMac | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(switches::kFastUserSwitching) }, { "enable-new-avatar-menu", IDS_FLAGS_ENABLE_NEW_AVATAR_MENU_NAME, IDS_FLAGS_ENABLE_NEW_AVATAR_MENU_DESCRIPTION, kOsMac | kOsWin | kOsLinux, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableNewAvatarMenu, switches::kDisableNewAvatarMenu) }, { "enable-web-based-signin", IDS_FLAGS_ENABLE_WEB_BASED_SIGNIN_NAME, IDS_FLAGS_ENABLE_WEB_BASED_SIGNIN_DESCRIPTION, kOsMac | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(switches::kEnableWebBasedSignin) }, { "enable-google-profile-info", IDS_FLAGS_ENABLE_GOOGLE_PROFILE_INFO_NAME, IDS_FLAGS_ENABLE_GOOGLE_PROFILE_INFO_DESCRIPTION, kOsMac | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(switches::kGoogleProfileInfo) }, { "reset-app-list-install-state", IDS_FLAGS_RESET_APP_LIST_INSTALL_STATE_NAME, IDS_FLAGS_RESET_APP_LIST_INSTALL_STATE_DESCRIPTION, kOsMac | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(switches::kResetAppListInstallState) }, #if defined(ENABLE_APP_LIST) #if defined(OS_LINUX) { // This is compiled out on non-Linux platforms because otherwise it would be // visible on Win/Mac/CrOS but not on Linux GTK, which would be confusing. // TODO(mgiuca): Remove the #if when Aura is the default on Linux. "enable-app-list", IDS_FLAGS_ENABLE_APP_LIST_NAME, IDS_FLAGS_ENABLE_APP_LIST_DESCRIPTION, kOsLinux, SINGLE_VALUE_TYPE(switches::kEnableAppList) }, #endif { "enable-app-view", IDS_FLAGS_ENABLE_APP_VIEW_NAME, IDS_FLAGS_ENABLE_APP_VIEW_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(extensions::switches::kEnableAppView) }, { "disable-app-list-app-info", IDS_FLAGS_DISABLE_APP_INFO_IN_APP_LIST, IDS_FLAGS_DISABLE_APP_INFO_IN_APP_LIST_DESCRIPTION, kOsLinux | kOsWin | kOsCrOS, SINGLE_VALUE_TYPE(app_list::switches::kDisableAppInfo) }, { "enable-drive-apps-in-app-list", IDS_FLAGS_ENABLE_DRIVE_APPS_IN_APP_LIST_NAME, IDS_FLAGS_ENABLE_DRIVE_APPS_IN_APP_LIST_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(app_list::switches::kEnableDriveAppsInAppList) }, #endif #if defined(OS_ANDROID) { "enable-accessibility-tab-switcher", IDS_FLAGS_ENABLE_ACCESSIBILITY_TAB_SWITCHER_NAME, IDS_FLAGS_ENABLE_ACCESSIBILITY_TAB_SWITCHER_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableAccessibilityTabSwitcher) }, { // TODO(dmazzoni): remove this flag when native android accessibility // ships in the stable channel. http://crbug.com/356775 "enable-accessibility-script-injection", IDS_FLAGS_ENABLE_ACCESSIBILITY_SCRIPT_INJECTION_NAME, IDS_FLAGS_ENABLE_ACCESSIBILITY_SCRIPT_INJECTION_DESCRIPTION, kOsAndroid, // Java-only switch: ContentSwitches.ENABLE_ACCESSIBILITY_SCRIPT_INJECTION. SINGLE_VALUE_TYPE("enable-accessibility-script-injection") }, #endif { "enable-one-copy", IDS_FLAGS_ONE_COPY_NAME, IDS_FLAGS_ONE_COPY_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableOneCopy) }, { "enable-zero-copy", IDS_FLAGS_ZERO_COPY_NAME, IDS_FLAGS_ZERO_COPY_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kZeroCopyChoices) }, #if defined(OS_CHROMEOS) { "enable-first-run-ui-transitions", IDS_FLAGS_ENABLE_FIRST_RUN_UI_TRANSITIONS_NAME, IDS_FLAGS_ENABLE_FIRST_RUN_UI_TRANSITIONS_DESCRIPTION, kOsCrOS, SINGLE_VALUE_TYPE(chromeos::switches::kEnableFirstRunUITransitions) }, #endif { "enable-streamlined-hosted-apps", IDS_FLAGS_ENABLE_STREAMLINED_HOSTED_APPS_NAME, IDS_FLAGS_ENABLE_STREAMLINED_HOSTED_APPS_DESCRIPTION, kOsWin | kOsCrOS | kOsLinux, SINGLE_VALUE_TYPE(switches::kEnableStreamlinedHostedApps) }, { "enable-ephemeral-apps", IDS_FLAGS_ENABLE_EPHEMERAL_APPS_NAME, IDS_FLAGS_ENABLE_EPHEMERAL_APPS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableEphemeralApps) }, { "enable-linkable-ephemeral-apps", IDS_FLAGS_ENABLE_LINKABLE_EPHEMERAL_APPS_NAME, IDS_FLAGS_ENABLE_LINKABLE_EPHEMERAL_APPS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableLinkableEphemeralApps) }, { "enable-service-worker-sync", IDS_FLAGS_ENABLE_SERVICE_WORKER_SYNC_NAME, IDS_FLAGS_ENABLE_SERVICE_WORKER_SYNC_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kEnableServiceWorkerSync) }, #if defined(OS_ANDROID) { "disable-click-delay", IDS_FLAGS_DISABLE_CLICK_DELAY_NAME, IDS_FLAGS_DISABLE_CLICK_DELAY_DESCRIPTION, kOsAndroid, // Java-only switch: CommandLine.DISABLE_CLICK_DELAY SINGLE_VALUE_TYPE("disable-click-delay") }, #endif #if defined(OS_MACOSX) { "enable-translate-new-ux", IDS_FLAGS_ENABLE_TRANSLATE_NEW_UX_NAME, IDS_FLAGS_ENABLE_TRANSLATE_NEW_UX_DESCRIPTION, kOsMac, SINGLE_VALUE_TYPE(switches::kEnableTranslateNewUX) }, #endif #if defined(TOOLKIT_VIEWS) { "disable-views-rect-based-targeting", // FLAGS:RECORD_UMA IDS_FLAGS_DISABLE_VIEWS_RECT_BASED_TARGETING_NAME, IDS_FLAGS_DISABLE_VIEWS_RECT_BASED_TARGETING_DESCRIPTION, kOsCrOS | kOsWin | kOsLinux, SINGLE_VALUE_TYPE(views::switches::kDisableViewsRectBasedTargeting) }, #endif { "enable-apps-show-on-first-paint", IDS_FLAGS_ENABLE_APPS_SHOW_ON_FIRST_PAINT_NAME, IDS_FLAGS_ENABLE_APPS_SHOW_ON_FIRST_PAINT_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(extensions::switches::kEnableAppsShowOnFirstPaint) }, { "enhanced-bookmarks-experiment", IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME, IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION, kOsDesktop | kOsAndroid, ENABLE_DISABLE_VALUE_TYPE_AND_VALUE( switches::kEnhancedBookmarksExperiment, "1", switches::kEnhancedBookmarksExperiment, "0") }, { "manual-enhanced-bookmarks", IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME, IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION, kOsDesktop | kOsAndroid, SINGLE_VALUE_TYPE(switches::kManualEnhancedBookmarks) }, { "manual-enhanced-bookmarks-optout", IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_NAME, IDS_FLAGS_ENABLE_ENHANCED_BOOKMARKS_DESCRIPTION, kOsDesktop | kOsAndroid, SINGLE_VALUE_TYPE(switches::kManualEnhancedBookmarksOptout) }, #if defined(OS_ANDROID) { "enable-zero-suggest-experiment", IDS_FLAGS_ZERO_SUGGEST_EXPERIMENT_NAME, IDS_FLAGS_ZERO_SUGGEST_EXPERIMENT_DESCRIPTION, kOsAndroid, MULTI_VALUE_TYPE(kZeroSuggestExperimentsChoices) }, { "enable-reader-mode-toolbar-icon", IDS_FLAGS_READER_MODE_EXPERIMENT_NAME, IDS_FLAGS_READER_MODE_EXPERIMENT_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableReaderModeToolbarIcon) }, #endif { "num-raster-threads", IDS_FLAGS_NUM_RASTER_THREADS_NAME, IDS_FLAGS_NUM_RASTER_THREADS_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kNumRasterThreadsChoices) }, { "origin-chip-in-omnibox", IDS_FLAGS_ORIGIN_CHIP_NAME, IDS_FLAGS_ORIGIN_CHIP_DESCRIPTION, kOsCrOS | kOsMac | kOsWin | kOsLinux, MULTI_VALUE_TYPE(kOriginChipChoices) }, { "search-button-in-omnibox", IDS_FLAGS_SEARCH_BUTTON_IN_OMNIBOX_NAME, IDS_FLAGS_SEARCH_BUTTON_IN_OMNIBOX_DESCRIPTION, kOsCrOS | kOsMac | kOsWin | kOsLinux, MULTI_VALUE_TYPE(kSearchButtonInOmniboxChoices) }, { "disable-ignore-autocomplete-off", IDS_FLAGS_DISABLE_IGNORE_AUTOCOMPLETE_OFF_NAME, IDS_FLAGS_DISABLE_IGNORE_AUTOCOMPLETE_OFF_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(autofill::switches::kDisableIgnoreAutocompleteOff) }, { "enable-permissions-bubbles", IDS_FLAGS_ENABLE_PERMISSIONS_BUBBLES_NAME, IDS_FLAGS_ENABLE_PERMISSIONS_BUBBLES_DESCRIPTION, kOsCrOS | kOsMac | kOsWin | kOsLinux, ENABLE_DISABLE_VALUE_TYPE(switches::kEnablePermissionsBubbles, switches::kDisablePermissionsBubbles) }, { "enable-session-crashed-bubble", IDS_FLAGS_ENABLE_SESSION_CRASHED_BUBBLE_NAME, IDS_FLAGS_ENABLE_SESSION_CRASHED_BUBBLE_DESCRIPTION, kOsWin | kOsLinux, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSessionCrashedBubble, switches::kDisableSessionCrashedBubble) }, { "out-of-process-pdf", IDS_FLAGS_OUT_OF_PROCESS_PDF_NAME, IDS_FLAGS_OUT_OF_PROCESS_PDF_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kOutOfProcessPdf) }, #if defined(OS_ANDROID) { "disable-cast", IDS_FLAGS_DISABLE_CAST_NAME, IDS_FLAGS_DISABLE_CAST_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kDisableCast) }, { "prefetch-search-results", IDS_FLAGS_PREFETCH_SEARCH_RESULTS_NAME, IDS_FLAGS_PREFETCH_SEARCH_RESULTS_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kPrefetchSearchResults) }, #endif #if defined(ENABLE_APP_LIST) { "enable-experimental-app-list", IDS_FLAGS_ENABLE_EXPERIMENTAL_APP_LIST_NAME, IDS_FLAGS_ENABLE_EXPERIMENTAL_APP_LIST_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(app_list::switches::kEnableExperimentalAppList) }, { "enable-centered-app-list", IDS_FLAGS_ENABLE_CENTERED_APP_LIST_NAME, IDS_FLAGS_ENABLE_CENTERED_APP_LIST_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(app_list::switches::kEnableCenteredAppList) }, #endif { "touch-scrolling-mode", IDS_FLAGS_TOUCH_SCROLLING_MODE_NAME, IDS_FLAGS_TOUCH_SCROLLING_MODE_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS | kOsAndroid, MULTI_VALUE_TYPE(kTouchScrollingModeChoices) }, { "bleeding-edge-renderer-mode", IDS_FLAGS_BLEEDING_RENDERER_NAME, IDS_FLAGS_BLEEDING_RENDERER_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableBleedingEdgeRenderingFastPaths) }, { "enable-settings-window", IDS_FLAGS_ENABLE_SETTINGS_WINDOW_NAME, IDS_FLAGS_ENABLE_SETTINGS_WINDOW_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kEnableSettingsWindowChoices) }, #if defined(OS_ANDROID) { "enable-instant-search-clicks", IDS_FLAGS_ENABLE_INSTANT_SEARCH_CLICKS_NAME, IDS_FLAGS_ENABLE_INSTANT_SEARCH_CLICKS_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableInstantSearchClicks) }, #endif { "enable-save-password-bubble", IDS_FLAGS_ENABLE_SAVE_PASSWORD_BUBBLE_NAME, IDS_FLAGS_ENABLE_SAVE_PASSWORD_BUBBLE_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS | kOsMac, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableSavePasswordBubble, switches::kDisableSavePasswordBubble) }, // TODO(tyoshino): Remove this temporary flag and command line switch. See // crbug.com/366483 for the target milestone. { "allow-insecure-websocket-from-https-origin", IDS_FLAGS_ALLOW_INSECURE_WEBSOCKET_FROM_HTTPS_ORIGIN_NAME, IDS_FLAGS_ALLOW_INSECURE_WEBSOCKET_FROM_HTTPS_ORIGIN_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(switches::kAllowInsecureWebSocketFromHttpsOrigin) }, { "enable-apps-file-associations", IDS_FLAGS_ENABLE_APPS_FILE_ASSOCIATIONS_NAME, IDS_FLAGS_ENABLE_APPS_FILE_ASSOCIATIONS_DESCRIPTION, kOsMac, SINGLE_VALUE_TYPE(switches::kEnableAppsFileAssociations) }, #if defined(OS_ANDROID) { "enable-embeddedsearch-api", IDS_FLAGS_ENABLE_EMBEDDEDSEARCH_API_NAME, IDS_FLAGS_ENABLE_EMBEDDEDSEARCH_API_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableEmbeddedSearchAPI) }, { "enable-app-install-alerts", IDS_FLAGS_ENABLE_APP_INSTALL_ALERTS_NAME, IDS_FLAGS_ENABLE_APP_INSTALL_ALERTS_DESCRIPTION, kOsAndroid, SINGLE_VALUE_TYPE(switches::kEnableAppInstallAlerts) }, #endif { "distance-field-text", IDS_FLAGS_DISTANCE_FIELD_TEXT_NAME, IDS_FLAGS_DISTANCE_FIELD_TEXT_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kDistanceFieldTextChoices) }, { "extension-content-verification", IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_NAME, IDS_FLAGS_EXTENSION_CONTENT_VERIFICATION_DESCRIPTION, kOsDesktop, MULTI_VALUE_TYPE(kExtensionContentVerificationChoices) }, #if defined(USE_AURA) { "text-input-focus-manager", IDS_FLAGS_TEXT_INPUT_FOCUS_MANAGER_NAME, IDS_FLAGS_TEXT_INPUT_FOCUS_MANAGER_DESCRIPTION, kOsCrOS | kOsLinux | kOsWin, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableTextInputFocusManager, switches::kDisableTextInputFocusManager) }, #endif { "extension-active-script-permission", IDS_FLAGS_USER_CONSENT_FOR_EXTENSION_SCRIPTS_NAME, IDS_FLAGS_USER_CONSENT_FOR_EXTENSION_SCRIPTS_DESCRIPTION, kOsAll, SINGLE_VALUE_TYPE(extensions::switches::kEnableScriptsRequireAction) }, { "harfbuzz-rendertext", IDS_FLAGS_HARFBUZZ_RENDERTEXT_NAME, IDS_FLAGS_HARFBUZZ_RENDERTEXT_DESCRIPTION, kOsDesktop, ENABLE_DISABLE_VALUE_TYPE(switches::kEnableHarfBuzzRenderText, switches::kDisableHarfBuzzRenderText) }, #if defined(OS_ANDROID) { "answers-in-suggest", IDS_FLAGS_ENABLE_ANSWERS_IN_SUGGEST_NAME, IDS_FLAGS_ENABLE_ANSWERS_IN_SUGGEST_DESCRIPTION, kOsAndroid, MULTI_VALUE_TYPE(kAnswersInSuggestChoices) }, #endif #if defined(OS_ANDROID) { "enable-data-reduction-proxy-dev", IDS_FLAGS_ENABLE_DATA_REDUCTION_PROXY_DEV_NAME, IDS_FLAGS_ENABLE_DATA_REDUCTION_PROXY_DEV_DESCRIPTION, kOsAndroid, ENABLE_DISABLE_VALUE_TYPE( data_reduction_proxy::switches::kEnableDataReductionProxyDev, data_reduction_proxy::switches::kDisableDataReductionProxyDev) }, #endif { "enable-experimental-hotwording", IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORDING_NAME, IDS_FLAGS_ENABLE_EXPERIMENTAL_HOTWORDING_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableExperimentalHotwording) }, { "enable-embedded-extension-options", IDS_FLAGS_ENABLE_EMBEDDED_EXTENSION_OPTIONS_NAME, IDS_FLAGS_ENABLE_EMBEDDED_EXTENSION_OPTIONS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(extensions::switches::kEnableEmbeddedExtensionOptions) }, { "enable-website-settings-manager", IDS_FLAGS_ENABLE_WEBSITE_SETTINGS_NAME, IDS_FLAGS_ENABLE_WEBSITE_SETTINGS_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE(switches::kEnableWebsiteSettingsManager) }, { "remember-cert-error-decisions", IDS_FLAGS_REMEMBER_CERTIFICATE_ERROR_DECISIONS_NAME, IDS_FLAGS_REMEMBER_CERTIFICATE_ERROR_DECISIONS_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kRememberCertificateErrorDecisionsChoices) }, { "enable-drop-sync-credential", IDS_FLAGS_ENABLE_DROP_SYNC_CREDENTIAL_NAME, IDS_FLAGS_ENABLE_DROP_SYNC_CREDENTIAL_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kEnableDropSyncCredentialChoices) }, { "enable-extension-action-redesign", IDS_FLAGS_ENABLE_EXTENSION_ACTION_REDESIGN_NAME, IDS_FLAGS_ENABLE_EXTENSION_ACTION_REDESIGN_DESCRIPTION, kOsWin | kOsLinux | kOsCrOS, SINGLE_VALUE_TYPE(extensions::switches::kEnableExtensionActionRedesign) }, { "autofill-sync-credential", IDS_FLAGS_AUTOFILL_SYNC_CREDENTIAL_NAME, IDS_FLAGS_AUTOFILL_SYNC_CREDENTIAL_DESCRIPTION, kOsAll, MULTI_VALUE_TYPE(kAutofillSyncCredentialChoices) }, #if !defined(OS_ANDROID) { "enable-message-center-always-scroll-up-upon-notification-removal", IDS_FLAGS_ENABLE_MESSAGE_CENTER_ALWAYS_SCROLL_UP_UPON_REMOVAL_NAME, IDS_FLAGS_ENABLE_MESSAGE_CENTER_ALWAYS_SCROLL_UP_UPON_REMOVAL_DESCRIPTION, kOsDesktop, SINGLE_VALUE_TYPE( switches::kEnableMessageCenterAlwaysScrollUpUponNotificationRemoval) }, #endif // NOTE: Adding new command-line switches requires adding corresponding // entries to enum "LoginCustomFlags" in histograms.xml. See note in // histograms.xml and don't forget to run AboutFlagsHistogramTest unit test. }; const Experiment* experiments = kExperiments; size_t num_experiments = arraysize(kExperiments); // Stores and encapsulates the little state that about:flags has. class FlagsState { public: FlagsState() : needs_restart_(false) {} void ConvertFlagsToSwitches(FlagsStorage* flags_storage, CommandLine* command_line, SentinelsMode sentinels); bool IsRestartNeededToCommitChanges(); void SetExperimentEnabled( FlagsStorage* flags_storage, const std::string& internal_name, bool enable); void RemoveFlagsSwitches( std::map* switch_list); void ResetAllFlags(FlagsStorage* flags_storage); void reset(); // Returns the singleton instance of this class static FlagsState* GetInstance() { return Singleton::get(); } private: bool needs_restart_; std::map flags_switches_; DISALLOW_COPY_AND_ASSIGN(FlagsState); }; // Adds the internal names for the specified experiment to |names|. void AddInternalName(const Experiment& e, std::set* names) { if (e.type == Experiment::SINGLE_VALUE) { names->insert(e.internal_name); } else { DCHECK(e.type == Experiment::MULTI_VALUE || e.type == Experiment::ENABLE_DISABLE_VALUE); for (int i = 0; i < e.num_choices; ++i) names->insert(e.NameForChoice(i)); } } // Confirms that an experiment is valid, used in a DCHECK in // SanitizeList below. bool ValidateExperiment(const Experiment& e) { switch (e.type) { case Experiment::SINGLE_VALUE: DCHECK_EQ(0, e.num_choices); DCHECK(!e.choices); break; case Experiment::MULTI_VALUE: DCHECK_GT(e.num_choices, 0); DCHECK(e.choices); DCHECK(e.choices[0].command_line_switch); DCHECK_EQ('\0', e.choices[0].command_line_switch[0]); break; case Experiment::ENABLE_DISABLE_VALUE: DCHECK_EQ(3, e.num_choices); DCHECK(!e.choices); DCHECK(e.command_line_switch); DCHECK(e.command_line_value); DCHECK(e.disable_command_line_switch); DCHECK(e.disable_command_line_value); break; default: NOTREACHED(); } return true; } // Removes all experiments from prefs::kEnabledLabsExperiments that are // unknown, to prevent this list to become very long as experiments are added // and removed. void SanitizeList(FlagsStorage* flags_storage) { std::set known_experiments; for (size_t i = 0; i < num_experiments; ++i) { DCHECK(ValidateExperiment(experiments[i])); AddInternalName(experiments[i], &known_experiments); } std::set enabled_experiments = flags_storage->GetFlags(); std::set new_enabled_experiments = base::STLSetIntersection >( known_experiments, enabled_experiments); if (new_enabled_experiments != enabled_experiments) flags_storage->SetFlags(new_enabled_experiments); } void GetSanitizedEnabledFlags( FlagsStorage* flags_storage, std::set* result) { SanitizeList(flags_storage); *result = flags_storage->GetFlags(); } bool SkipConditionalExperiment(const Experiment& experiment) { if (experiment.internal_name == std::string("enhanced-bookmarks-experiment")) { #if defined(OS_ANDROID) // On Android, user can opt in. return false; #else CommandLine* command_line = CommandLine::ForCurrentProcess(); // Dont't skip experiment if it has non default value. // It means user selected it. if (command_line->HasSwitch(switches::kEnhancedBookmarksExperiment)) return false; return !IsEnhancedBookmarksExperimentEnabled(); #endif } if ((experiment.internal_name == std::string("manual-enhanced-bookmarks")) || (experiment.internal_name == std::string("manual-enhanced-bookmarks-optout"))) { return true; } #if defined(OS_ANDROID) // enable-data-reduction-proxy-dev is only available for the Dev channel. if (!strcmp("enable-data-reduction-proxy-dev", experiment.internal_name) && chrome::VersionInfo::GetChannel() != chrome::VersionInfo::CHANNEL_DEV) { return true; } #endif return false; } // Variant of GetSanitizedEnabledFlags that also removes any flags that aren't // enabled on the current platform. void GetSanitizedEnabledFlagsForCurrentPlatform( FlagsStorage* flags_storage, std::set* result) { GetSanitizedEnabledFlags(flags_storage, result); // Filter out any experiments that aren't enabled on the current platform. We // don't remove these from prefs else syncing to a platform with a different // set of experiments would be lossy. std::set platform_experiments; int current_platform = GetCurrentPlatform(); for (size_t i = 0; i < num_experiments; ++i) { if (experiments[i].supported_platforms & current_platform) AddInternalName(experiments[i], &platform_experiments); #if defined(OS_CHROMEOS) if (experiments[i].supported_platforms & kOsCrOSOwnerOnly) AddInternalName(experiments[i], &platform_experiments); #endif } std::set new_enabled_experiments = base::STLSetIntersection >( platform_experiments, *result); result->swap(new_enabled_experiments); } // Returns the Value representing the choice data in the specified experiment. base::Value* CreateChoiceData( const Experiment& experiment, const std::set& enabled_experiments) { DCHECK(experiment.type == Experiment::MULTI_VALUE || experiment.type == Experiment::ENABLE_DISABLE_VALUE); base::ListValue* result = new base::ListValue; for (int i = 0; i < experiment.num_choices; ++i) { base::DictionaryValue* value = new base::DictionaryValue; const std::string name = experiment.NameForChoice(i); value->SetString("internal_name", name); value->SetString("description", experiment.DescriptionForChoice(i)); value->SetBoolean("selected", enabled_experiments.count(name) > 0); result->Append(value); } return result; } } // namespace std::string Experiment::NameForChoice(int index) const { DCHECK(type == Experiment::MULTI_VALUE || type == Experiment::ENABLE_DISABLE_VALUE); DCHECK_LT(index, num_choices); return std::string(internal_name) + testing::kMultiSeparator + base::IntToString(index); } base::string16 Experiment::DescriptionForChoice(int index) const { DCHECK(type == Experiment::MULTI_VALUE || type == Experiment::ENABLE_DISABLE_VALUE); DCHECK_LT(index, num_choices); int description_id; if (type == Experiment::ENABLE_DISABLE_VALUE) { const int kEnableDisableDescriptionIds[] = { IDS_GENERIC_EXPERIMENT_CHOICE_DEFAULT, IDS_GENERIC_EXPERIMENT_CHOICE_ENABLED, IDS_GENERIC_EXPERIMENT_CHOICE_DISABLED, }; description_id = kEnableDisableDescriptionIds[index]; } else { description_id = choices[index].description_id; } return l10n_util::GetStringUTF16(description_id); } void ConvertFlagsToSwitches(FlagsStorage* flags_storage, CommandLine* command_line, SentinelsMode sentinels) { FlagsState::GetInstance()->ConvertFlagsToSwitches(flags_storage, command_line, sentinels); } bool AreSwitchesIdenticalToCurrentCommandLine( const CommandLine& new_cmdline, const CommandLine& active_cmdline, std::set* out_difference) { std::set new_flags = ExtractFlagsFromCommandLine(new_cmdline); std::set active_flags = ExtractFlagsFromCommandLine(active_cmdline); bool result = false; // Needed because std::equal doesn't check if the 2nd set is empty. if (new_flags.size() == active_flags.size()) { result = std::equal(new_flags.begin(), new_flags.end(), active_flags.begin()); } if (out_difference && !result) { std::set_symmetric_difference( new_flags.begin(), new_flags.end(), active_flags.begin(), active_flags.end(), std::inserter(*out_difference, out_difference->begin())); } return result; } void GetFlagsExperimentsData(FlagsStorage* flags_storage, FlagAccess access, base::ListValue* supported_experiments, base::ListValue* unsupported_experiments) { std::set enabled_experiments; GetSanitizedEnabledFlags(flags_storage, &enabled_experiments); int current_platform = GetCurrentPlatform(); for (size_t i = 0; i < num_experiments; ++i) { const Experiment& experiment = experiments[i]; if (SkipConditionalExperiment(experiment)) continue; base::DictionaryValue* data = new base::DictionaryValue(); data->SetString("internal_name", experiment.internal_name); data->SetString("name", l10n_util::GetStringUTF16(experiment.visible_name_id)); data->SetString("description", l10n_util::GetStringUTF16( experiment.visible_description_id)); base::ListValue* supported_platforms = new base::ListValue(); AddOsStrings(experiment.supported_platforms, supported_platforms); data->Set("supported_platforms", supported_platforms); switch (experiment.type) { case Experiment::SINGLE_VALUE: data->SetBoolean( "enabled", enabled_experiments.count(experiment.internal_name) > 0); break; case Experiment::MULTI_VALUE: case Experiment::ENABLE_DISABLE_VALUE: data->Set("choices", CreateChoiceData(experiment, enabled_experiments)); break; default: NOTREACHED(); } bool supported = (experiment.supported_platforms & current_platform) != 0; #if defined(OS_CHROMEOS) if (access == kOwnerAccessToFlags && (experiment.supported_platforms & kOsCrOSOwnerOnly) != 0) { supported = true; } #endif if (supported) supported_experiments->Append(data); else unsupported_experiments->Append(data); } } bool IsRestartNeededToCommitChanges() { return FlagsState::GetInstance()->IsRestartNeededToCommitChanges(); } void SetExperimentEnabled(FlagsStorage* flags_storage, const std::string& internal_name, bool enable) { FlagsState::GetInstance()->SetExperimentEnabled(flags_storage, internal_name, enable); } void RemoveFlagsSwitches( std::map* switch_list) { FlagsState::GetInstance()->RemoveFlagsSwitches(switch_list); } void ResetAllFlags(FlagsStorage* flags_storage) { FlagsState::GetInstance()->ResetAllFlags(flags_storage); } int GetCurrentPlatform() { #if defined(OS_MACOSX) return kOsMac; #elif defined(OS_WIN) return kOsWin; #elif defined(OS_CHROMEOS) // Needs to be before the OS_LINUX check. return kOsCrOS; #elif defined(OS_LINUX) || defined(OS_OPENBSD) return kOsLinux; #elif defined(OS_ANDROID) return kOsAndroid; #else #error Unknown platform #endif } void RecordUMAStatistics(FlagsStorage* flags_storage) { std::set flags = flags_storage->GetFlags(); for (std::set::iterator it = flags.begin(); it != flags.end(); ++it) { std::string action("AboutFlags_"); action += *it; content::RecordComputedAction(action); } // Since flag metrics are recorded every startup, add a tick so that the // stats can be made meaningful. if (flags.size()) content::RecordAction(UserMetricsAction("AboutFlags_StartupTick")); content::RecordAction(UserMetricsAction("StartupTick")); } base::HistogramBase::Sample GetSwitchUMAId(const std::string& switch_name) { return static_cast( metrics::HashMetricName(switch_name)); } void ReportCustomFlags(const std::string& uma_histogram_hame, const std::set& command_line_difference) { for (std::set::const_iterator it = command_line_difference.begin(); it != command_line_difference.end(); ++it) { int uma_id = about_flags::kBadSwitchFormatHistogramId; if (StartsWithASCII(*it, "--", true /* case_sensitive */)) { // Skip '--' before switch name. std::string switch_name(it->substr(2)); // Kill value, if any. const size_t value_pos = switch_name.find('='); if (value_pos != std::string::npos) switch_name.resize(value_pos); uma_id = GetSwitchUMAId(switch_name); } else { NOTREACHED() << "ReportCustomFlags(): flag '" << *it << "' has incorrect format."; } DVLOG(1) << "ReportCustomFlags(): histogram='" << uma_histogram_hame << "' '" << *it << "', uma_id=" << uma_id; // Sparse histogram macro does not cache the histogram, so it's safe // to use macro with non-static histogram name here. UMA_HISTOGRAM_SPARSE_SLOWLY(uma_histogram_hame, uma_id); } } ////////////////////////////////////////////////////////////////////////////// // FlagsState implementation. namespace { typedef std::map > NameToSwitchAndValueMap; void SetFlagToSwitchMapping(const std::string& key, const std::string& switch_name, const std::string& switch_value, NameToSwitchAndValueMap* name_to_switch_map) { DCHECK(name_to_switch_map->end() == name_to_switch_map->find(key)); (*name_to_switch_map)[key] = std::make_pair(switch_name, switch_value); } void FlagsState::ConvertFlagsToSwitches(FlagsStorage* flags_storage, CommandLine* command_line, SentinelsMode sentinels) { if (command_line->HasSwitch(switches::kNoExperiments)) return; std::set enabled_experiments; GetSanitizedEnabledFlagsForCurrentPlatform(flags_storage, &enabled_experiments); NameToSwitchAndValueMap name_to_switch_map; for (size_t i = 0; i < num_experiments; ++i) { const Experiment& e = experiments[i]; if (e.type == Experiment::SINGLE_VALUE) { SetFlagToSwitchMapping(e.internal_name, e.command_line_switch, e.command_line_value, &name_to_switch_map); } else if (e.type == Experiment::MULTI_VALUE) { for (int j = 0; j < e.num_choices; ++j) { SetFlagToSwitchMapping(e.NameForChoice(j), e.choices[j].command_line_switch, e.choices[j].command_line_value, &name_to_switch_map); } } else { DCHECK_EQ(e.type, Experiment::ENABLE_DISABLE_VALUE); SetFlagToSwitchMapping(e.NameForChoice(0), std::string(), std::string(), &name_to_switch_map); SetFlagToSwitchMapping(e.NameForChoice(1), e.command_line_switch, e.command_line_value, &name_to_switch_map); SetFlagToSwitchMapping(e.NameForChoice(2), e.disable_command_line_switch, e.disable_command_line_value, &name_to_switch_map); } } if (sentinels == kAddSentinels) { command_line->AppendSwitch(switches::kFlagSwitchesBegin); flags_switches_.insert( std::pair(switches::kFlagSwitchesBegin, std::string())); } for (std::set::iterator it = enabled_experiments.begin(); it != enabled_experiments.end(); ++it) { const std::string& experiment_name = *it; NameToSwitchAndValueMap::const_iterator name_to_switch_it = name_to_switch_map.find(experiment_name); if (name_to_switch_it == name_to_switch_map.end()) { NOTREACHED(); continue; } const std::pair& switch_and_value_pair = name_to_switch_it->second; CHECK(!switch_and_value_pair.first.empty()); command_line->AppendSwitchASCII(switch_and_value_pair.first, switch_and_value_pair.second); flags_switches_[switch_and_value_pair.first] = switch_and_value_pair.second; } if (sentinels == kAddSentinels) { command_line->AppendSwitch(switches::kFlagSwitchesEnd); flags_switches_.insert( std::pair(switches::kFlagSwitchesEnd, std::string())); } } bool FlagsState::IsRestartNeededToCommitChanges() { return needs_restart_; } void FlagsState::SetExperimentEnabled(FlagsStorage* flags_storage, const std::string& internal_name, bool enable) { size_t at_index = internal_name.find(testing::kMultiSeparator); if (at_index != std::string::npos) { DCHECK(enable); // We're being asked to enable a multi-choice experiment. Disable the // currently selected choice. DCHECK_NE(at_index, 0u); const std::string experiment_name = internal_name.substr(0, at_index); SetExperimentEnabled(flags_storage, experiment_name, false); // And enable the new choice, if it is not the default first choice. if (internal_name != experiment_name + "@0") { std::set enabled_experiments; GetSanitizedEnabledFlags(flags_storage, &enabled_experiments); needs_restart_ |= enabled_experiments.insert(internal_name).second; flags_storage->SetFlags(enabled_experiments); } return; } std::set enabled_experiments; GetSanitizedEnabledFlags(flags_storage, &enabled_experiments); const Experiment* e = NULL; for (size_t i = 0; i < num_experiments; ++i) { if (experiments[i].internal_name == internal_name) { e = experiments + i; break; } } DCHECK(e); if (e->type == Experiment::SINGLE_VALUE) { if (enable) needs_restart_ |= enabled_experiments.insert(internal_name).second; else needs_restart_ |= (enabled_experiments.erase(internal_name) > 0); } else { if (enable) { // Enable the first choice. needs_restart_ |= enabled_experiments.insert(e->NameForChoice(0)).second; } else { // Find the currently enabled choice and disable it. for (int i = 0; i < e->num_choices; ++i) { std::string choice_name = e->NameForChoice(i); if (enabled_experiments.find(choice_name) != enabled_experiments.end()) { needs_restart_ = true; enabled_experiments.erase(choice_name); // Continue on just in case there's a bug and more than one // experiment for this choice was enabled. } } } } flags_storage->SetFlags(enabled_experiments); } void FlagsState::RemoveFlagsSwitches( std::map* switch_list) { for (std::map::const_iterator it = flags_switches_.begin(); it != flags_switches_.end(); ++it) { switch_list->erase(it->first); } } void FlagsState::ResetAllFlags(FlagsStorage* flags_storage) { needs_restart_ = true; std::set no_experiments; flags_storage->SetFlags(no_experiments); } void FlagsState::reset() { needs_restart_ = false; flags_switches_.clear(); } } // namespace namespace testing { // WARNING: '@' is also used in the html file. If you update this constant you // also need to update the html file. const char kMultiSeparator[] = "@"; void ClearState() { FlagsState::GetInstance()->reset(); } void SetExperiments(const Experiment* e, size_t count) { if (!e) { experiments = kExperiments; num_experiments = arraysize(kExperiments); } else { experiments = e; num_experiments = count; } } const Experiment* GetExperiments(size_t* count) { *count = num_experiments; return experiments; } } // namespace testing } // namespace about_flags