| // Copyright 2019 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.android_webview.common; |
| |
| import org.chromium.base.BaseFeatures; |
| import org.chromium.base.BaseSwitches; |
| import org.chromium.blink_public.common.BlinkFeatures; |
| import org.chromium.blink_scheduler.BlinkSchedulerFeatures; |
| import org.chromium.cc.base.CcFeatures; |
| import org.chromium.cc.base.CcSwitches; |
| import org.chromium.components.autofill.AutofillFeatures; |
| import org.chromium.components.feature_engagement.FeatureConstants; |
| import org.chromium.components.metrics.MetricsFeatures; |
| import org.chromium.components.metrics.MetricsSwitches; |
| import org.chromium.components.network_session_configurator.NetworkSessionSwitches; |
| import org.chromium.components.variations.VariationsSwitches; |
| import org.chromium.components.viz.common.VizFeatures; |
| import org.chromium.content_public.common.ContentFeatures; |
| import org.chromium.content_public.common.ContentSwitches; |
| import org.chromium.gpu.config.GpuFeatures; |
| import org.chromium.gpu.config.GpuSwitches; |
| import org.chromium.services.network.NetworkServiceFeatures; |
| import org.chromium.ui.accessibility.AccessibilityFeatures; |
| |
| /** |
| * List of experimental features/flags supported for user devices. Add features/flags to this list |
| * with scrutiny: any feature/flag in this list can be enabled for production Android devices, and |
| * so it must not compromise the Android security model (i.e., WebView must still protect the app's |
| * private data from being user visible). |
| * |
| * <p> |
| * This lives in the common package so it can be shared by dev UI (to know which features/flags to |
| * display) as well as the WebView implementation (so it knows which features/flags are safe to |
| * honor). |
| */ |
| public final class ProductionSupportedFlagList { |
| // Do not instantiate this class. |
| private ProductionSupportedFlagList() {} |
| |
| /** |
| * A list of commandline flags supported on user devices. If updating this list, please also |
| * update enums.xml. See android_webview/docs/developer-ui.md |
| * (https://chromium.googlesource.com/chromium/src/+/HEAD/android_webview/docs/developer-ui.md#Adding-your-flags-and-features-to-the-UI). |
| */ |
| public static final Flag[] sFlagList = { |
| Flag.commandLine(AwSwitches.HIGHLIGHT_ALL_WEBVIEWS, |
| "Highlight the contents (including web contents) of all WebViews with a yellow " |
| + "tint. This is useful for identifying WebViews in an Android " |
| + "application."), |
| Flag.commandLine(AwSwitches.WEBVIEW_VERBOSE_LOGGING, |
| "WebView will log additional debugging information to logcat, such as " |
| + "variations and commandline state."), |
| Flag.commandLine(CcSwitches.SHOW_COMPOSITED_LAYER_BORDERS, |
| "Renders a border around compositor layers to help debug and study layer " |
| + "compositing."), |
| Flag.commandLine(CcSwitches.ANIMATED_IMAGE_RESUME, |
| "Resumes animated images from where they were."), |
| Flag.commandLine(AwSwitches.FINCH_SEED_EXPIRATION_AGE, |
| "Forces all variations seeds to be considered stale.", "0"), |
| Flag.commandLine(AwSwitches.FINCH_SEED_IGNORE_PENDING_DOWNLOAD, |
| "Forces the WebView service to reschedule a variations seed download job even " |
| + "if one is already pending."), |
| Flag.commandLine(AwSwitches.FINCH_SEED_NO_CHARGING_REQUIREMENT, |
| "Forces WebView's service to always schedule a new variations seed download " |
| + "job, even if the device is not charging. Note this switch may be " |
| + "necessary for testing on Android emulators as these are not always " |
| + "considered to be charging."), |
| Flag.commandLine(AwSwitches.FINCH_SEED_MIN_DOWNLOAD_PERIOD, |
| "Disables throttling of variations seed download jobs.", "0"), |
| Flag.commandLine(AwSwitches.FINCH_SEED_MIN_UPDATE_PERIOD, |
| "Disables throttling of new variations seed requests to the WebView service.", |
| "0"), |
| Flag.commandLine(MetricsSwitches.FORCE_ENABLE_METRICS_REPORTING, |
| "Forces WebView's metrics reporting to be enabled. This overrides user " |
| + "settings and capacity sampling, but does not override the app's " |
| + "choice to opt-out."), |
| Flag.commandLine(AwSwitches.WEBVIEW_LOG_JS_CONSOLE_MESSAGES, |
| "Mirrors JavaScript console messages to system logs."), |
| Flag.commandLine(BaseSwitches.ENABLE_CRASH_REPORTER_FOR_TESTING, |
| "Used for turning on Breakpad crash reporting in a debug environment where " |
| + "crash reporting is typically compiled but disabled."), |
| Flag.commandLine(GpuSwitches.DISABLE_GPU_RASTERIZATION, |
| "Disables GPU rasterization, i.e. rasterizes on the CPU only."), |
| Flag.commandLine(GpuSwitches.IGNORE_GPU_BLOCKLIST, |
| "Overrides the built-in software rendering list and enables " |
| + "GPU acceleration on unsupported device configurations."), |
| Flag.commandLine(AwSwitches.WEBVIEW_ENABLE_MODERN_COOKIE_SAME_SITE, |
| "Enables modern SameSite cookie behavior: 1) SameSite=Lax by default " |
| + "(cookies without a SameSite attribute are treated as SameSite=Lax); " |
| + "2) Schemeful Same-Site (site boundaries include the URL scheme)."), |
| Flag.commandLine(ContentSwitches.SITE_PER_PROCESS, |
| "Security mode that enables site isolation for all sites inside WebView. In " |
| + "this mode, each renderer process will contain pages from at most " |
| + "one site, using out-of-process iframes when needed. Highly " |
| + "experimental."), |
| Flag.commandLine(NetworkSessionSwitches.ENABLE_HTTP2_GREASE_SETTINGS, |
| "Enable sending HTTP/2 SETTINGS parameters with reserved identifiers."), |
| Flag.commandLine(NetworkSessionSwitches.DISABLE_HTTP2_GREASE_SETTINGS, |
| "Disable sending HTTP/2 SETTINGS parameters with reserved identifiers."), |
| Flag.commandLine(VariationsSwitches.ENABLE_FINCH_SEED_DELTA_COMPRESSION, |
| "Enables delta-compression when requesting a new seed from the server."), |
| Flag.commandLine(AwSwitches.WEBVIEW_MP_ARCH_FENCED_FRAMES, |
| "Enables MPArch-based fenced frames. Also implies SharedStorageAPI, " |
| + "and PrivacySandboxAdsAPIsOverride"), |
| Flag.commandLine(AwSwitches.WEBVIEW_SHADOW_DOM_FENCED_FRAMES, |
| "Enables ShadowDOM-based fenced frames. Also implies SharedStorageAPI, " |
| + "and PrivacySandboxAdsAPIsOverride"), |
| Flag.commandLine(AwSwitches.WEBVIEW_DISABLE_APP_RECOVERY, |
| "Disables WebView from checking for app recovery mitigations."), |
| Flag.commandLine(AwSwitches.WEBVIEW_ENABLE_APP_RECOVERY, |
| "Enables WebView to check for app recovery mitigations."), |
| Flag.baseFeature(GpuFeatures.WEBVIEW_VULKAN, |
| "Use Vulkan for composite. Requires Android device and OS support. May crash " |
| + "if enabled on unsupported device."), |
| Flag.baseFeature(GpuFeatures.WEBVIEW_SURFACE_CONTROL, |
| "Use SurfaceControl. Requires WebViewThreadSafeMedia and Android device and OS " |
| + "support."), |
| Flag.baseFeature(GpuFeatures.WEBVIEW_THREAD_SAFE_MEDIA, |
| "Use thread-safe media path, requires Android P."), |
| Flag.baseFeature(VizFeatures.WEBVIEW_NEW_INVALIDATE_HEURISTIC, |
| "More robust heuristic for calling Invalidate"), |
| Flag.baseFeature( |
| VizFeatures.WEBVIEW_VULKAN_INTERMEDIATE_BUFFER, "For debugging vulkan"), |
| Flag.baseFeature( |
| GpuFeatures.USE_GLES2_FOR_OOP_R, "Force Skia context to use es2 only."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_CONNECTIONLESS_SAFE_BROWSING, |
| "Uses GooglePlayService's 'connectionless' APIs for Safe Browsing " |
| + "security checks."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_APPS_PACKAGE_NAMES_SERVER_SIDE_ALLOWLIST, |
| "Enables usage of server-side allowlist filtering of" |
| + " app package names."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_BROTLI_SUPPORT, |
| "Enables brotli compression support in WebView."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_EXTRA_HEADERS_SAME_ORIGIN_ONLY, |
| "Only allow extra headers added via loadUrl() to be sent to the same origin " |
| + "as the original request."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_MEASURE_SCREEN_COVERAGE, |
| "Measure the number of pixels occupied by one or more WebViews as a proportion " |
| + "of the total screen size. Depending on the number of WebViews and " |
| + "the size of the screen this might be expensive so hidden behind a " |
| + "feature flag until the true runtime cost can be measured."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_DISPLAY_CUTOUT, |
| "Enables display cutout (notch) support in WebView for Android P and above."), |
| Flag.baseFeature(BlinkFeatures.WEBVIEW_ACCELERATE_SMALL_CANVASES, |
| "Accelerate all canvases in webview."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_MIXED_CONTENT_AUTOUPGRADES, |
| "Enables autoupgrades for audio/video/image mixed content when mixed content " |
| + "mode is set to MIXED_CONTENT_COMPATIBILITY_MODE"), |
| Flag.baseFeature(AwFeatures.WEBVIEW_JAVA_JS_BRIDGE_MOJO, |
| "Enables the new Java/JS Bridge code path with mojo implementation."), |
| Flag.baseFeature( |
| AwFeatures.WEBVIEW_ORIGIN_TRIALS, "Enables Origin Trials support on WebView."), |
| Flag.baseFeature(BlinkFeatures.GMS_CORE_EMOJI, |
| "Enables retrieval of the emoji font through GMS Core " |
| + "improving emoji glyph coverage."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_ACROSS_IFRAMES, |
| "Enable Autofill for frame-transcending forms (forms whose fields live in " |
| + "different frames)."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_MIN3_FIELD_TYPES_FOR_LOCAL_HEURISTICS, |
| "Require at least 3 distinct field types for local heuristics to return " |
| + "classifications."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_ENABLE_DEPENDENT_LOCALITY_PARSING, |
| "Enables parsing dependent locality fields (e.g. Bairros in Brazil)."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_ENABLE_RANKING_FORMULA, |
| "Enables new autofill suggestion ranking formula"), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_ENFORCE_DELAYS_IN_STRIKE_DATABASE, |
| "Enforce delay between offering Autofill opportunities in the " |
| + "strike database."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_PARSE_ASYNC, |
| "Parse forms asynchronously outside of the UI thread."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_PARSING_PATTERN_PROVIDER, |
| "Enables Autofill to use its new method to retrieve parsing patterns."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_PAGE_LANGUAGE_DETECTION, |
| "Enables Autofill to retrieve the page language for form parsing."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_RATIONALIZE_STREET_ADDRESS_AND_HOUSE_NUMBER, |
| "Rationalizes (street address, house number) field sequences to " |
| + "(street name, house number)."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_ALWAYS_PARSE_PLACEHOLDERS, |
| "When enabled, Autofill local heuristics consider the placeholder attribute " |
| + "for determining field types."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_IMPROVED_LABEL_FOR_INFERENCE, |
| "When enabled, Autofill associates assigned labels with inputs in unowned forms."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_SERVER_BEHAVIORS, |
| "When enabled, Autofill will request experimental " |
| + "predictions from the Autofill API."), |
| Flag.baseFeature(AutofillFeatures.AUTOFILL_SUPPORT_POOR_MANS_PLACEHOLDER, |
| "When enabled, Autofill will infer labels from artificial placeholders, " |
| + "placed on top of input fields using CSS."), |
| Flag.baseFeature(FeatureConstants.KEYBOARD_ACCESSORY_PAYMENT_VIRTUAL_CARD_FEATURE, |
| "When enabled, merchant bound virtual cards will be offered in the keyboard " |
| + "accessory."), |
| Flag.baseFeature(NetworkServiceFeatures.PRIVATE_STATE_TOKENS, |
| "Enables the prototype Private State Tokens API."), |
| Flag.commandLine(AwSwitches.WEBVIEW_DISABLE_PACKAGE_ALLOWLIST_THROTTLING, |
| "Disables throttling querying apps package names allowlist components in" |
| + "WebView clients."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_EMPTY_COMPONENT_LOADER_POLICY, |
| "Enables loading a fake empty (no-op) component during WebView startup."), |
| Flag.commandLine(AwSwitches.WEBVIEW_SELECTIVE_IMAGE_INVERSION_DARKENING, |
| "Enables use selective image inversion to automatically darken page, it will be" |
| + " used when WebView is in dark mode, but website doesn't provide dark" |
| + " style."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_FORCE_DARK_MODE_MATCH_THEME, |
| "Automatically darken page if" |
| + " WebView is set to FORCE_DARK_AUTO and the app has dark theme"), |
| Flag.baseFeature(ContentFeatures.VERIFY_DID_COMMIT_PARAMS, |
| "Enables reporting of browser and renderer navigation inconsistencies on" |
| + "navigations"), |
| Flag.baseFeature(ContentFeatures.USER_MEDIA_CAPTURE_ON_FOCUS, |
| "Enables GetUserMedia API will only resolve when the document calling it has" |
| + "focus"), |
| Flag.baseFeature(ContentFeatures.COMPOSITE_BG_COLOR_ANIMATION, |
| "When enabled, the background-color animation runs on the compositor thread."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_USE_METRICS_UPLOAD_SERVICE, |
| "Upload UMA metrics logs through MetricsUploadService not via GMS-core" |
| + " directly."), |
| Flag.baseFeature("OptimizeNetworkBuffers2"), |
| Flag.baseFeature(BlinkFeatures.SET_TIMEOUT_WITHOUT_CLAMP, |
| "Enables faster setTimeout(,0) by removing the 1 ms clamping."), |
| Flag.baseFeature(BlinkFeatures.PAINT_HOLDING_CROSS_ORIGIN, |
| "Defers the first commit until FCP or timeout for cross-origin navigations."), |
| Flag.baseFeature(ContentFeatures.NAVIGATION_NETWORK_RESPONSE_QUEUE, |
| "Schedules tasks related to the navigation network responses on a higher " |
| + "priority task queue."), |
| Flag.baseFeature(ContentFeatures.EARLY_ESTABLISH_GPU_CHANNEL, |
| "Enable establishing the GPU channel early in renderer startup."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_X_REQUESTED_WITH_HEADER_CONTROL, |
| "Restricts insertion of XRequestedWith header on outgoing requests " |
| + "to those that have been allow-listed through the appropriate " |
| + "developer API."), |
| Flag.baseFeature(BlinkFeatures.VIEWPORT_HEIGHT_CLIENT_HINT_HEADER, |
| "Enables the use of sec-ch-viewport-height client hint."), |
| Flag.baseFeature(BlinkFeatures.USER_AGENT_OVERRIDE_EXPERIMENT, |
| "Collects metrics on when the User-Agent string is overridden and how"), |
| Flag.baseFeature(GpuFeatures.CANVAS_CONTEXT_LOST_IN_BACKGROUND, |
| "Free Canvas2D resources when the webview is in the background."), |
| Flag.baseFeature(GpuFeatures.USE_GPU_SCHEDULER_DFS, |
| "Uses the new SchedulerDFS GPU job scheduler."), |
| Flag.baseFeature(VizFeatures.SURFACE_SYNC_THROTTLING, |
| "Enables throttling of Surface Sync to improve rotations"), |
| Flag.baseFeature(BlinkFeatures.AUTOFILL_SHADOW_DOM, |
| "Enables Autofill associate form elements with form " |
| + "control elements across shadow boundaries."), |
| Flag.baseFeature(BlinkFeatures.UACH_OVERRIDE_BLANK, |
| "Changes behavior of User-Agent Client Hints to send blank headers " |
| + "when the User-Agent string is overriden"), |
| Flag.baseFeature(BlinkFeatures.MAX_UNTHROTTLED_TIMEOUT_NESTING_LEVEL, |
| "Increases the nesting threshold before which " |
| + "setTimeout(..., <4ms) starts being clamped to 4 ms."), |
| Flag.baseFeature(BlinkFeatures.ESTABLISH_GPU_CHANNEL_ASYNC, |
| "Enables establishing the GPU channel asnchronously when requesting a new " |
| + "layer tree frame sink."), |
| Flag.baseFeature(BlinkFeatures.DECODE_SCRIPT_SOURCE_OFF_THREAD, |
| "If enabled, script source text will be decoded and hashed off the main" |
| + "thread."), |
| Flag.baseFeature(BaseFeatures.OPTIMIZE_DATA_URLS, |
| "Optimizes parsing and loading of data: URLs."), |
| Flag.baseFeature(BlinkFeatures.EVENT_PATH, "Enables the deprecated Event.path API."), |
| Flag.baseFeature(BlinkFeatures.PREFETCH_FONT_LOOKUP_TABLES, |
| "If enabled, font lookup tables will be prefetched on renderer startup."), |
| Flag.baseFeature(BlinkFeatures.PRECOMPILE_INLINE_SCRIPTS, |
| "If enabled, inline scripts will be stream compiled using a background HTML" |
| + " scanner."), |
| Flag.baseFeature(BaseFeatures.RUN_TASKS_BY_BATCHES, |
| "Run tasks in queue for 8ms before before sending a system message."), |
| Flag.baseFeature(BlinkFeatures.OFFSET_PARENT_NEW_SPEC_BEHAVIOR, |
| "Enables new HTMLElement.offsetParent behavior to match other browsers."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_RECORD_APP_DATA_DIRECTORY_SIZE, |
| "Record the size of the embedding app's data directory"), |
| Flag.baseFeature(BlinkFeatures.EARLY_EXIT_ON_NOOP_CLASS_OR_STYLE_CHANGE, |
| "Early exit when the style or class attribute of a DOM element is set to the" |
| + " same value as before."), |
| Flag.baseFeature(BlinkFeatures.INVALIDATION_SET_CLASS_BLOOM_FILTER, |
| "If enabled, style invalidation will use a Bloom filter."), |
| Flag.baseFeature(BlinkFeatures.THREADED_PRELOAD_SCANNER, |
| "If enabled, the HTMLPreloadScanner will run on a worker thread."), |
| Flag.baseFeature(BlinkFeatures.TIMED_HTML_PARSER_BUDGET, |
| "If enabled, the HTMLDocumentParser will use a budget based on elapsed time" |
| + " rather than token count."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_HIT_TEST_IN_BLINK_ON_TOUCH_START, |
| "Hit test on touch start in blink"), |
| Flag.baseFeature(BaseFeatures.ALIGN_WAKE_UPS, "Align delayed wake ups at 125 Hz"), |
| Flag.baseFeature(BlinkSchedulerFeatures.THREADED_SCROLL_PREVENT_RENDERING_STARVATION, |
| "Enable rendering starvation-prevention during threaded scrolling." |
| + " See https://crbug.com/1315279."), |
| Flag.baseFeature(BlinkSchedulerFeatures.PRIORITIZE_COMPOSITING_AFTER_DELAY_TRIALS, |
| "Controls the delay after which main thread compositing tasks " |
| + "are prioritized over other non-input tasks."), |
| Flag.baseFeature(BaseFeatures.NO_WAKE_UPS_FOR_CANCELED_TASKS, |
| "Controls whether wake ups are possible for canceled tasks."), |
| Flag.baseFeature(BaseFeatures.REMOVE_CANCELED_TASKS_IN_TASK_QUEUE, |
| "Controls whether or not canceled delayed tasks are removed from task queues."), |
| Flag.baseFeature(BaseFeatures.ALWAYS_ABANDON_SCHEDULED_TASK, |
| "Controls whether or not the scheduled task is always abandoned when a timer " |
| + "is stopped or resets."), |
| Flag.baseFeature(BlinkFeatures.PRETOKENIZE_CSS, |
| "If enabled, CSS will be tokenized in a background thread when possible."), |
| Flag.baseFeature(BlinkFeatures.VIEW_TRANSITION, |
| "Enables the experimental View Transitions API." |
| + " See https://github.com/WICG/view-transitions/blob/main/explainer.md."), |
| Flag.baseFeature(BlinkFeatures.VIEW_TRANSITION_ON_NAVIGATION, |
| "Enables the experimental View Transitions API for navigations." |
| + " See https://github.com/WICG/view-transitions/blob/main/explainer.md."), |
| Flag.baseFeature(BlinkFeatures.CSS_OVERFLOW_FOR_REPLACED_ELEMENTS, |
| "Enables respecting the CSS overflow property on replaced elements." |
| + " See https://chromestatus.com/feature/5137515594383360."), |
| Flag.baseFeature(GpuFeatures.INCREASED_CMD_BUFFER_PARSE_SLICE, |
| "Enable the use of an increased parse slice size per command buffer before" |
| + " each forced context switch."), |
| Flag.baseFeature(AccessibilityFeatures.ABLATE_SEND_PENDING_ACCESSIBILITY_EVENTS, |
| "Enable to increase the cost of SendPendingAccessibilityEvents"), |
| Flag.baseFeature(BlinkFeatures.RUN_TEXT_INPUT_UPDATE_POST_LIFECYCLE, |
| "Runs code to update IME state at the end of a lifecycle update " |
| + "rather than the beginning."), |
| Flag.baseFeature(CcFeatures.NON_BLOCKING_COMMIT, |
| "Don't block the renderer main thread unconditionally while waiting " |
| + "for commit to finish on the compositor thread."), |
| Flag.baseFeature(CcFeatures.USE_DMSAA_FOR_TILES, |
| "Switches skia to use DMSAA instead of MSAA for tile raster"), |
| Flag.baseFeature( |
| CcFeatures.AVOID_RASTER_DURING_ELASTIC_OVERSCROLL, "No effect on webview"), |
| Flag.baseFeature(BlinkFeatures.DOCUMENT_EVENT_NODE_PATH_CACHING, |
| "Enables a performance optimization that caches event paths."), |
| Flag.baseFeature(BlinkFeatures.WEB_RTC_METRONOME, |
| "Inject a metronome into webrtc to allow task coalescing, " |
| + " including synchronized decoding."), |
| Flag.baseFeature(BlinkFeatures.FAST_PATH_PAINT_PROPERTY_UPDATES, |
| "If enabled, some paint property updates (e.g., transform " |
| + "changes) will be applied directly instead of " |
| + "using the property tree builder."), |
| Flag.baseFeature(BlinkFeatures.THREADED_BODY_LOADER, |
| "If enabled, reads and decodes navigation body data off the main thread."), |
| Flag.baseFeature("PreconnectOnRedirect"), |
| Flag.baseFeature("PreconnectInNetworkService"), Flag.baseFeature("PrefetchDNSWithURL"), |
| Flag.baseFeature(BlinkFeatures.SEND_MOUSE_EVENTS_DISABLED_FORM_CONTROLS, |
| "This changes event propagation for disabled form controls."), |
| Flag.baseFeature(ContentFeatures.SURFACE_SYNC_FULLSCREEN_KILLSWITCH, |
| "Disable to turn off the new SurfaceSync Fullscreen path."), |
| Flag.baseFeature(MetricsFeatures.EMIT_HISTOGRAMS_EARLIER, |
| "Controls whether histograms are emitted earlier."), |
| Flag.baseFeature(ContentFeatures.PERSISTENT_ORIGIN_TRIALS, |
| "If enabled, servers will be able to use persistent origin trials " |
| + "on this device."), |
| Flag.baseFeature(AwFeatures.WEBVIEW_IMAGE_DRAG, |
| "If enabled, images can be dragged out from Webview"), |
| Flag.baseFeature(BlinkFeatures.WEB_RTC_COMBINED_NETWORK_AND_WORKER_THREAD, |
| "Combines WebRTC's worker thread and network thread onto a single thread."), |
| Flag.baseFeature(ContentSwitches.DISABLE_DOMAIN_BLOCKING_FOR3DAP_IS, |
| "Disable the per-domain blocking for 3D APIs after GPU reset. " |
| + "This switch is intended only for tests."), |
| Flag.baseFeature(MetricsFeatures.METRICS_SERVICE_ALLOW_EARLY_LOG_CLOSE, |
| "Controls whether a log is allowed to be closed when Chrome" |
| + " is backgrounded/foregrounded early."), |
| Flag.baseFeature(MetricsFeatures.METRICS_SERVICE_ASYNC_COLLECTION, |
| "Controls whether the metrics service creates periodic logs" |
| + " in a background thread or on the main thread."), |
| Flag.baseFeature(ContentFeatures.MAIN_THREAD_COMPOSITING_PRIORITY, |
| "When enabled runs the main thread at compositing priority."), |
| // Add new commandline switches and features above. The final entry should have a |
| // trailing comma for cleaner diffs. |
| }; |
| } |
