Update features.cc
This commit is contained in:
Alexander David Frick
GitHub
parent
fe63b05448
commit
21cecb02d1
1 changed files with 143 additions and 28 deletions
171
src/third_party/blink/common/features.cc
vendored
171
src/third_party/blink/common/features.cc
vendored
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@ -25,6 +25,12 @@ BASE_FEATURE(kAnonymousIframeOriginTrial,
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"AnonymousIframeOriginTrial",
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base::FEATURE_ENABLED_BY_DEFAULT);
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// Gate access to Attribution Reporting cross app and web APIs that allow
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// registering with a native attribution API.
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BASE_FEATURE(kAttributionReportingCrossAppWeb,
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"AttributionReportingCrossAppWeb",
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base::FEATURE_DISABLED_BY_DEFAULT);
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// Apply lazy-loading to ad frames which have embeds likely impacting Core Web
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// Vitals.
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BASE_FEATURE(kAutomaticLazyFrameLoadingToAds,
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@ -97,6 +103,16 @@ BASE_FEATURE(kBackForwardCacheDedicatedWorker,
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"BackForwardCacheDedicatedWorker",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kBackForwardCacheNotReachedOnJavaScriptExecution,
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"BackForwardCacheNotReachedOnJavaScriptExecution",
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base::FEATURE_DISABLED_BY_DEFAULT);
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// Allows pages with keepalive requests to stay eligible for the back/forward
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// cache. See https://crbug.com/1347101 for more details.
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BASE_FEATURE(kBackForwardCacheWithKeepaliveRequest,
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"BackForwardCacheWithKeepaliveRequest",
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base::FEATURE_ENABLED_BY_DEFAULT);
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// Enable intervention for download that was initiated from or occurred in an ad
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// frame without user activation.
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BASE_FEATURE(kBlockingDownloadsInAdFrameWithoutUserActivation,
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@ -310,6 +326,10 @@ BASE_FEATURE(kSameSiteCrossOriginForSpeculationRulesPrerender,
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"SameSiteCrossOriginForSpeculationRulesPrerender",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kSameSiteRedirectionForEmbedderTriggeredPrerender,
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"SameSiteRedirectionForEmbedderTriggeredPrerender",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kPrerender2SequentialPrerendering,
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"Prerender2SequentialPrerendering",
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base::FEATURE_DISABLED_BY_DEFAULT);
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@ -544,6 +564,12 @@ BASE_FEATURE(kAudioWorkletThreadRealtimePriority,
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"AudioWorkletThreadRealtimePriority",
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base::FEATURE_ENABLED_BY_DEFAULT);
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// A server-side switch for the output device (sink) selection in Web Audio API.
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// This enables the selection via the AudioContext constructor and also via
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// AudioContext.setSinkId() method.
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BASE_FEATURE(kWebAudioSinkSelection, "kWebAudioSinkSelection",
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base::FEATURE_ENABLED_BY_DEFAULT);
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// A feature to reduce the set of resources fetched by No-State Prefetch.
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BASE_FEATURE(kLightweightNoStatePrefetch,
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"LightweightNoStatePrefetch",
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@ -605,11 +631,27 @@ const base::FeatureParam<int> kForceDarkForegroundLightnessThresholdParam{
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const base::FeatureParam<int> kForceDarkBackgroundLightnessThresholdParam{
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&kForceWebContentsDarkMode, "background_lightness_threshold", -1};
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const base::FeatureParam<ForceDarkImageClassifier>::Option
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forcedark_image_classifier_policy_options[] = {
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{ForceDarkImageClassifier::kUseBlinkSettings,
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"use_blink_settings_for_image_policy"},
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{ForceDarkImageClassifier::kNumColorsWithMlFallback,
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"num_colors_with_ml_fallback"},
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{ForceDarkImageClassifier::kTransparencyAndNumColors,
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"transparency_and_num_colors"},
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};
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const base::FeatureParam<ForceDarkImageClassifier>
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kForceDarkImageClassifierParam{&kForceWebContentsDarkMode,
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"classifier_policy",
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ForceDarkImageClassifier::kUseBlinkSettings,
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&forcedark_image_classifier_policy_options};
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// Instructs WebRTC to honor the Min/Max Video Encode Accelerator dimensions.
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BASE_FEATURE(kWebRtcUseMinMaxVEADimensions,
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"WebRtcUseMinMaxVEADimensions",
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// TODO(crbug.com/1008491): enable other platforms.
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#if BUILDFLAG(IS_CHROMEOS_ASH)
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#if BUILDFLAG(IS_CHROMEOS)
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base::FEATURE_ENABLED_BY_DEFAULT
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#else
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base::FEATURE_DISABLED_BY_DEFAULT
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@ -681,12 +723,6 @@ BASE_FEATURE(kWebviewAccelerateSmallCanvases,
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"WebviewAccelerateSmallCanvases",
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base::FEATURE_DISABLED_BY_DEFAULT);
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// Let accelerated canvases remain accelerated after readback
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// (crbug.com/1288118)
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BASE_FEATURE(kCanvas2dStaysGPUOnReadback,
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"Canvas2dStaysGPUOnReadback",
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base::FEATURE_DISABLED_BY_DEFAULT);
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// When enabled, frees up CachedMetadata after consumption by script resources
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// and modules. Needed for the experiment in http://crbug.com/1045052.
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BASE_FEATURE(kDiscardCodeCacheAfterFirstUse,
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@ -983,6 +1019,13 @@ const base::FeatureParam<int> kBrowsingTopicsNumberOfTopTopicsPerEpoch{
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// topic instead of one of the top topics.
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const base::FeatureParam<int> kBrowsingTopicsUseRandomTopicProbabilityPercent{
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&kBrowsingTopics, "use_random_topic_probability_percent", 5};
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// Maximum duration between when a epoch is calculated and when a site starts
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// using that new epoch's topics. The time chosen is a per-site random point in
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// time between [calculation time, calculation time + max duration).
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const base::FeatureParam<base::TimeDelta>
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kBrowsingTopicsMaxEpochIntroductionDelay{
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&kBrowsingTopics, "browsing_topics_max_epoch_introduction_delay",
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base::Days(2)};
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// How many epochs (weeks) of API usage data (i.e. topics observations) will be
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// based off for the filtering of topics for a calling context.
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const base::FeatureParam<int>
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@ -1009,9 +1052,10 @@ const base::FeatureParam<int>
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kBrowsingTopicsMaxNumberOfApiUsageContextDomainsToStorePerPageLoad{
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&kBrowsingTopics,
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"max_number_of_api_usage_context_domains_to_store_per_page_load", 30};
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// Encodes the configuration parameters above. Each version number should only
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// be mapped to one configuration set. In practice, this can be guaranteed by
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// always bumping up the version number whenever parameters are updated.
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// Encodes the configuration parameters above. A version number can be used for
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// multiple configurations as long as they are compatible (from both Chrome's
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// and users/websites' perspective). For a configuration that's incompatible
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// with previous ones, a new dedicated version number should be used.
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const base::FeatureParam<int> kBrowsingTopicsConfigVersion{&kBrowsingTopics,
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"config_version", 1};
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// The taxonomy version. This only affects the topics classification that occurs
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@ -1292,11 +1336,6 @@ BASE_FEATURE(kDurableClientHintsCache,
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"DurableClientHintsCache",
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base::FEATURE_ENABLED_BY_DEFAULT);
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// Allows sites to request fullscreen and open a popup from a single gesture.
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BASE_FEATURE(kWindowPlacementFullscreenCompanionWindow,
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"WindowPlacementFullscreenCompanionWindow",
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base::FEATURE_ENABLED_BY_DEFAULT);
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const base::FeatureParam<std::string> kUserAgentFrozenBuildVersion{
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&kReduceUserAgentMinorVersion, "build_version", "0"};
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@ -1309,9 +1348,10 @@ BASE_FEATURE(kReportFCPOnlyOnSuccessfulCommit,
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"ReportFCPOnlyOnSuccessfulCommit",
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base::FEATURE_DISABLED_BY_DEFAULT);
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// TODO(crbug.com/1382005): Deprecate this flag.
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BASE_FEATURE(kRegionCaptureExperimentalSubtypes,
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"RegionCaptureExperimentalSubtypes",
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base::FEATURE_DISABLED_BY_DEFAULT);
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kUserAgentOverrideExperiment,
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"UserAgentOverrideExperiment",
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@ -1474,6 +1514,10 @@ BASE_FEATURE(kSelectiveInOrderScriptTarget,
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const base::FeatureParam<std::string> kSelectiveInOrderScriptAllowList{
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&kSelectiveInOrderScriptTarget, "allow_list", ""};
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BASE_FEATURE(kImageLoadingPrioritizationFix,
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"ImageLoadingPrioritizationFix",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kAllowSourceSwitchOnPausedVideoMediaStream,
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"AllowSourceSwitchOnPausedVideoMediaStream",
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base::FEATURE_ENABLED_BY_DEFAULT);
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@ -1483,10 +1527,6 @@ BASE_FEATURE(kWebRtcExposeNonStandardStats,
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"WebRtc-ExposeNonStandardStats",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kSubstringSetTreeForAttributeBuckets,
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"SubstringSetTreeForAttributeBuckets",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kInvalidationSetClassBloomFilter,
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"InvalidationSetClassBloomFilter",
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base::FEATURE_DISABLED_BY_DEFAULT);
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@ -1575,17 +1615,13 @@ BASE_FEATURE(kWebRtcThreadsUseResourceEfficientType,
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"WebRtcThreadsUseResourceEfficientType",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kThrottleIntersectionObserverUMA,
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"ThrottleIntersectionObserverUMA",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kWebRtcMetronome,
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"WebRtcMetronome",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kSyncAccessHandleAllSyncSurface,
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"SyncAccessHandleAllSyncSurface",
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base::FEATURE_DISABLED_BY_DEFAULT);
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kNoCentralWebCacheLimitControl,
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"NoCentralWebCacheLimitControl",
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@ -1599,9 +1635,15 @@ BASE_FEATURE(kProcessHtmlDataImmediately,
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"ProcessHtmlDataImmediately",
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base::FEATURE_DISABLED_BY_DEFAULT);
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const base::FeatureParam<bool> kProcessHtmlDataImmediatelyChildFrame{
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&kProcessHtmlDataImmediately, "child", false};
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const base::FeatureParam<bool> kProcessHtmlDataImmediatelyFirstChunk{
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&kProcessHtmlDataImmediately, "first", false};
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const base::FeatureParam<bool> kProcessHtmlDataImmediatelyMainFrame{
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&kProcessHtmlDataImmediately, "main", false};
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const base::FeatureParam<bool> kProcessHtmlDataImmediatelySubsequentChunks{
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&kProcessHtmlDataImmediately, "rest", false};
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@ -1617,12 +1659,57 @@ BASE_FEATURE(kDocumentEventNodePathCaching,
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"DocumentEventNodePathCaching",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kNewBaseUrlInheritanceBehavior,
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"NewBaseUrlInheritanceBehavior",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kNewGetDisplayMediaPickerOrder,
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"NewGetDisplayMediaPickerOrder",
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base::FEATURE_DISABLED_BY_DEFAULT);
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bool IsNewBaseUrlInheritanceBehaviorEnabled() {
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// The kIsolateSandboxedIframes feature depends on the new base URL behavior,
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// so it enables the new behavior even if kNewBaseUrlInheritanceBehavior
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// isn't enabled.
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return base::FeatureList::IsEnabled(kNewBaseUrlInheritanceBehavior) ||
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base::FeatureList::IsEnabled(kIsolateSandboxedIframes);
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}
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const base::FeatureParam<int> kDocumentMaxEventNodePathCachedEntries{
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&kDocumentEventNodePathCaching, "max-cache-entries", 10};
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BASE_FEATURE(kPostMessageDifferentPartitionSameOriginBlocked,
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"PostMessageDifferentPartitionSameOriginBlocked",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageFirstPartyToThirdPartyDifferentBucketSameOriginBlocked,
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"PostMessageFirstPartyToThirdPartyDifferentBucketSameOriginBlocked",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageFirstPartyToThirdPartyDifferentBucketSameOriginBlockedIfStorageIsPartitioned,
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"PostMessageFirstPartyToThirdPartyDifferentBucketSameOriginBlockedIfStorage"
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"IsPartitioned",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageThirdPartyToFirstPartyDifferentBucketSameOriginBlocked,
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"PostMessageThirdPartyToFirstPartyDifferentBucketSameOriginBlocked",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageThirdPartyToFirstPartyDifferentBucketSameOriginBlockedIfStorageIsPartitioned,
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"PostMessageThirdPartyToFirstPartyDifferentBucketSameOriginBlockedIfStorage"
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"IsPartitioned",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageThirdPartyToThirdPartyDifferentBucketSameOriginBlocked,
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"PostMessageThirdPartyToThirdPartyDifferentBucketSameOriginBlocked",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(
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kPostMessageThirdPartyToThirdPartyDifferentBucketSameOriginBlockedIfStorageIsPartitioned,
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"PostMessageThirdPartyToThirdPartyDifferentBucketSameOriginBlockedIfStorage"
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"IsPartitioned",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kWebRtcCombinedNetworkAndWorkerThread,
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"WebRtcCombinedNetworkAndWorkerThread",
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@ -1646,5 +1733,33 @@ const base::FeatureParam<IsolateSandboxedIframesGrouping>
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IsolateSandboxedIframesGrouping::kPerSite,
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&isolated_sandboxed_iframes_grouping_types};
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BASE_FEATURE(kSSVTrailerWriteNewVersion,
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"SSVTrailerWriteNewVersion",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kSSVTrailerWriteExposureAssertion,
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"SSVTrailerWriteExposureAssertion",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kSSVTrailerEnforceExposureAssertion,
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"SSVTrailerEnforceExposureAssertion",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kAbortSignalHandleBasedRemoval,
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"AbortSignalHandleBasedRemoval",
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base::FEATURE_ENABLED_BY_DEFAULT);
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BASE_FEATURE(kForceHighPerformanceGPUForWebGL,
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"ForceHighPerformanceGPUForWebGL",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kSplitUserMediaQueues,
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"SplitUserMediaQueues",
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base::FEATURE_DISABLED_BY_DEFAULT);
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BASE_FEATURE(kTextCodecCJKEnabled,
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"TextCodecCJKEnabled",
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base::FEATURE_ENABLED_BY_DEFAULT);
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} // namespace features
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} // namespace blink
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