// Copyright 2017 The Chromium Authors // Use of this source code is governed by a BSD-style license that can be // found in the LICENSE file. #include "base/no_destructor.h" #include "components/page_load_metrics/browser/observers/use_counter_page_load_metrics_observer.h" // This file defines a list of UseCounter WebFeature measured in the // UKM-based UseCounter. Features must all satisfy UKM privacy requirements // (see go/ukm). In addition, features should only be added if it's shown to be // (or highly likely to be) rare, e.g. <1% of page views as measured by UMA. // // UKM-based UseCounter should be used to cover the case when UMA UseCounter // data shows a behaviour that is rare but too common to blindly change. // UKM-based UseCounter would allow us to find specific pages to reason about // whether a breaking change is acceptable or not. // // This event is emitted for every page load and is not sub-sampled by the UKM // system. The WebFeature::kPageVisits is always present in the event, so // it is valid to take the ratio of events with your feature to kPageVisit to // estimate "percentage of page views using a feature". Note that the lack of // sub-sampling is the reason why this event must only be used for rare // features. // // Obsolete UseCounters (kOBSOLETE_*) should be removed from this list. using WebFeature = blink::mojom::WebFeature; // UKM-based UseCounter features (WebFeature) should be defined in // opt_in_features list. const UseCounterMetricsRecorder::UkmFeatureList& UseCounterMetricsRecorder::GetAllowedUkmFeatures() { static base::NoDestructor // We explicitly use an std::initializer_list below to work around GCC // bug 84849, which causes having a base::NoDestructor> and passing // an initializer list of Us does not work. opt_in_features(std::initializer_list({ WebFeature::kNavigatorVibrate, WebFeature::kNavigatorVibrateSubFrame, WebFeature::kTouchEventPreventedNoTouchAction, WebFeature::kTouchEventPreventedForcedDocumentPassiveNoTouchAction, WebFeature::kMixedContentAudio, WebFeature::kMixedContentImage, WebFeature::kMixedContentVideo, WebFeature::kMixedContentPlugin, WebFeature::kOpenerNavigationWithoutGesture, WebFeature::kUsbRequestDevice, WebFeature::kXMLHttpRequestSynchronousInMainFrame, WebFeature::kXMLHttpRequestSynchronousInCrossOriginSubframe, WebFeature::kXMLHttpRequestSynchronousInSameOriginSubframe, WebFeature::kXMLHttpRequestSynchronousInWorker, WebFeature::kPaymentHandler, WebFeature::kPaymentRequestShowWithoutGesture, WebFeature::kPaymentRequestShowWithoutGestureOrToken, WebFeature::kWebAuthenticationRemoteCspDisallowsRpId, WebFeature::kTextToSpeech_Speak, WebFeature::kTextToSpeech_SpeakDisallowedByAutoplay, WebFeature::kCSSEnvironmentVariable_SafeAreaInsetTop, WebFeature::kCSSEnvironmentVariable_SafeAreaInsetLeft, WebFeature::kCSSEnvironmentVariable_SafeAreaInsetRight, WebFeature::kCSSEnvironmentVariable_SafeAreaInsetBottom, WebFeature::kMediaControlsDisplayCutoutGesture, WebFeature::kPolymerV1Detected, WebFeature::kPolymerV2Detected, WebFeature::kFullscreenSecureOrigin, WebFeature::kFullscreenInsecureOrigin, WebFeature::kPrefixedVideoEnterFullscreen, WebFeature::kPrefixedVideoExitFullscreen, WebFeature::kPrefixedVideoEnterFullScreen, WebFeature::kPrefixedVideoExitFullScreen, WebFeature::kDocumentLevelPassiveDefaultEventListenerPreventedWheel, WebFeature::kDocumentDomainBlockedCrossOriginAccess, WebFeature::kDocumentDomainEnabledCrossOriginAccess, WebFeature::kCursorImageGT32x32, WebFeature::kCursorImageLE32x32, WebFeature::kCursorImageGT64x64, WebFeature::kAdClick, WebFeature::kUpdateWithoutShippingOptionOnShippingAddressChange, WebFeature::kUpdateWithoutShippingOptionOnShippingOptionChange, WebFeature::kSignedExchangeInnerResponseInMainFrame, WebFeature::kSignedExchangeInnerResponseInSubFrame, WebFeature::kWebShareShare, WebFeature::kDownloadInAdFrameWithoutUserGesture, WebFeature::kStorageBucketsOpen, WebFeature::kOpenWebDatabase, WebFeature::kV8MediaCapabilities_DecodingInfo_Method, WebFeature::kOpenerNavigationDownloadCrossOrigin, WebFeature::kLinkRelPrerender, WebFeature::kV8HTMLVideoElement_RequestPictureInPicture_Method, WebFeature::kMediaCapabilitiesDecodingInfoWithKeySystemConfig, WebFeature::kTextFragmentAnchor, WebFeature::kTextFragmentAnchorMatchFound, WebFeature::kCookieInsecureAndSameSiteNone, WebFeature::kCookieStoreAPI, WebFeature::kDeviceOrientationSecureOrigin, WebFeature::kDeviceOrientationAbsoluteSecureOrigin, WebFeature::kDeviceMotionSecureOrigin, WebFeature::kRelativeOrientationSensorConstructor, WebFeature::kAbsoluteOrientationSensorConstructor, WebFeature::kLinearAccelerationSensorConstructor, WebFeature::kAccelerometerConstructor, WebFeature::kGyroscopeConstructor, WebFeature::kServiceWorkerInterceptedRequestFromOriginDirtyStyleSheet, WebFeature::kDownloadPrePolicyCheck, WebFeature::kDownloadPostPolicyCheck, WebFeature::kDownloadInAdFrame, WebFeature::kDownloadFromAdScript, WebFeature::kDownloadInSandbox, WebFeature::kDownloadWithoutUserGesture, WebFeature::kLazyLoadFrameLoadingAttributeLazy, WebFeature::kLazyLoadFrameLoadingAttributeEager, WebFeature::kLazyLoadImageLoadingAttributeLazy, WebFeature::kLazyLoadImageLoadingAttributeEager, WebFeature::kLazyLoadVideoLoadingAttributeLazy, WebFeature::kLazyLoadVideoLoadingAttributeEager, WebFeature::kLazyLoadAudioLoadingAttributeLazy, WebFeature::kLazyLoadAudioLoadingAttributeEager, WebFeature::kWebOTP, WebFeature::kBaseWithCrossOriginHref, WebFeature::kWakeLockAcquireScreenLock, WebFeature::kWakeLockAcquireSystemLock, WebFeature::kThirdPartyServiceWorker, WebFeature::kThirdPartySharedWorker, WebFeature::kThirdPartyBroadcastChannel, WebFeature::kHeavyAdIntervention, WebFeature::kGetGamepadsFromCrossOriginSubframe, WebFeature::kGetGamepadsFromInsecureContext, WebFeature::kGetGamepads, WebFeature::kMovedOrResizedPopup, WebFeature::kMovedOrResizedPopup2sAfterCreation, WebFeature::kDOMWindowOpenPositioningFeatures, WebFeature::kCSSSelectorInternalMediaControlsOverlayCastButton, WebFeature::kWebBluetoothRequestDevice, WebFeature::kWebBluetoothRequestScan, WebFeature:: kV8VideoPlaybackQuality_CorruptedVideoFrames_AttributeGetter, WebFeature::kV8MediaSession_Metadata_AttributeSetter, WebFeature::kV8MediaSession_SetActionHandler_Method, WebFeature::kLargeStickyAd, WebFeature:: kElementWithLeftwardOrUpwardOverflowDirection_ScrollLeftOrTopSetPositive, WebFeature::kThirdPartyFileSystem, WebFeature::kThirdPartyIndexedDb, WebFeature::kThirdPartyCacheStorage, WebFeature::kOverlayPopup, WebFeature::kOverlayPopupAd, WebFeature::kTrustTokenXhr, WebFeature::kTrustTokenFetch, WebFeature::kTrustTokenIframe, WebFeature::kV8Document_HasPrivateToken_Method, WebFeature::kV8HTMLVideoElement_RequestVideoFrameCallback_Method, WebFeature::kV8HTMLVideoElement_CancelVideoFrameCallback_Method, WebFeature::kIdleDetectionStart, WebFeature::kPerformanceObserverEntryTypesAndBuffered, WebFeature::kStorageAccessAPI_HasStorageAccess_Method, WebFeature::kStorageAccessAPI_requestStorageAccess_Method, WebFeature::kThirdPartyCookieRead, WebFeature::kThirdPartyCookieWrite, WebFeature::kCrossSitePostMessage, WebFeature::kSchemelesslySameSitePostMessage, WebFeature::kSchemelesslySameSitePostMessageSecureToInsecure, WebFeature::kSchemelesslySameSitePostMessageInsecureToSecure, WebFeature::kAddressSpaceLocalSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpaceLocalNonSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpacePublicSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpacePublicNonSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpacePublicSecureContextEmbeddedLocalV2, WebFeature::kAddressSpacePublicNonSecureContextEmbeddedLocalV2, WebFeature::kAddressSpaceUnknownSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpaceUnknownNonSecureContextEmbeddedLoopbackV2, WebFeature::kAddressSpaceUnknownSecureContextEmbeddedLocalV2, WebFeature::kAddressSpaceUnknownNonSecureContextEmbeddedLocalV2, WebFeature::kAddressSpaceLocalSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpaceLocalNonSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpacePublicSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpacePublicNonSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpacePublicSecureContextNavigatedToLocalV2, WebFeature::kAddressSpacePublicNonSecureContextNavigatedToLocalV2, WebFeature::kAddressSpaceUnknownSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpaceUnknownNonSecureContextNavigatedToLoopbackV2, WebFeature::kAddressSpaceUnknownSecureContextNavigatedToLocalV2, WebFeature::kAddressSpaceUnknownNonSecureContextNavigatedToLocalV2, WebFeature::kFileSystemPickerMethod, WebFeature::kV8Window_ShowOpenFilePicker_Method, WebFeature::kV8Window_ShowSaveFilePicker_Method, WebFeature::kV8Window_ShowDirectoryPicker_Method, WebFeature::kV8StorageManager_GetDirectory_Method, WebFeature::kBarcodeDetectorDetect, WebFeature::kFaceDetectorDetect, WebFeature::kTextDetectorDetect, WebFeature::kV8SharedArrayBufferConstructedWithoutIsolation, WebFeature::kV8HTMLVideoElement_GetVideoPlaybackQuality_Method, WebFeature::kWebPImage, WebFeature::kAVIFImage, WebFeature::kGetDisplayMedia, WebFeature::kLaxAllowingUnsafeCookies, WebFeature::kOversrollBehaviorOnViewportBreaks, WebFeature::kPaymentRequestCSPViolation, WebFeature::kRequestedFileSystemPersistentThirdPartyContext, WebFeature::kPrefixedStorageInfoThirdPartyContext, WebFeature:: kCrossBrowsingContextGroupMainFrameNulledNonEmptyNameAccessed, WebFeature::kControlledWorkerWillBeUncontrolled, WebFeature::kUsbDeviceOpen, WebFeature::kWebBluetoothRemoteServerConnect, WebFeature::kSerialRequestPort, WebFeature::kSerialPortOpen, WebFeature::kHidRequestDevice, WebFeature::kHidDeviceOpen, WebFeature::kControlledNonBlobURLWorkerWillBeUncontrolled, WebFeature::kSameSiteCookieInclusionChangedByCrossSiteRedirect, WebFeature::kSearchEventFired, WebFeature::kReadOrWriteWebDatabase, WebFeature::kExternalProtocolBlockedBySandbox, WebFeature::kWebCodecsAudioDecoder, WebFeature::kWebCodecsVideoDecoder, WebFeature::kWebCodecsVideoEncoder, WebFeature::kWebCodecsVideoTrackReader, WebFeature::kWebCodecsImageDecoder, WebFeature::kWebCodecsAudioEncoder, WebFeature::kWebCodecsVideoFrameFromImage, WebFeature::kWebCodecsVideoFrameFromBuffer, WebFeature::kWebBluetoothGetAvailability, WebFeature::kCookieHasNotBeenRefreshedIn201To300Days, WebFeature::kCookieHasNotBeenRefreshedIn301To350Days, WebFeature::kCookieHasNotBeenRefreshedIn351To400Days, WebFeature::kPartitionedCookies, WebFeature::kScriptSchedulingType_Defer, WebFeature::kScriptSchedulingType_ParserBlocking, WebFeature::kScriptSchedulingType_ParserBlockingInline, WebFeature::kScriptSchedulingType_InOrder, WebFeature::kScriptSchedulingType_Async, WebFeature::kClientHintsMetaHTTPEquivAcceptCH, WebFeature::kCookieDomainNonASCII, WebFeature::kClientHintsMetaEquivDelegateCH, WebFeature::kAuthorizationCoveredByWildcard, WebFeature::kLinkRelPrefetchAsDocumentSameOrigin, WebFeature::kLinkRelPrefetchAsDocumentCrossOrigin, WebFeature::kChromeLoadTimesCommitLoadTime, WebFeature::kChromeLoadTimesConnectionInfo, WebFeature::kChromeLoadTimesFinishDocumentLoadTime, WebFeature::kChromeLoadTimesFinishLoadTime, WebFeature::kChromeLoadTimesFirstPaintAfterLoadTime, WebFeature::kChromeLoadTimesFirstPaintTime, WebFeature::kChromeLoadTimesNavigationType, WebFeature::kChromeLoadTimesNpnNegotiatedProtocol, WebFeature::kChromeLoadTimesRequestTime, WebFeature::kChromeLoadTimesStartLoadTime, WebFeature::kChromeLoadTimesUnknown, WebFeature::kChromeLoadTimesWasAlternateProtocolAvailable, WebFeature::kChromeLoadTimesWasFetchedViaSpdy, WebFeature::kChromeLoadTimesWasNpnNegotiated, WebFeature::kGamepadButtons, WebFeature::kWebNfcNdefReaderScan, WebFeature::kWakeLockAcquireScreenLockWithoutStickyActivation, WebFeature::kDataUrlInSvgUse, WebFeature::kExecutedNonTrivialJavaScriptURL, WebFeature::kV8DeprecatedStorageQuota_QueryUsageAndQuota_Method, WebFeature::kV8DeprecatedStorageQuota_RequestQuota_Method, WebFeature::kRequestFileSystem, WebFeature::kRequestFileSystemWorker, WebFeature::kRequestFileSystemSyncWorker, WebFeature::kGetDisplayMediaWithPreferCurrentTabTrue, WebFeature::kV8Database_ChangeVersion_Method, WebFeature::kV8Database_Transaction_Method, WebFeature::kV8Database_ReadTransaction_Method, WebFeature::kV8SQLTransaction_ExecuteSql_Method, WebFeature::kMediaStreamOnActive, WebFeature::kMediaStreamOnInactive, WebFeature::kPrivacySandboxAdsAPIs, WebFeature::kV8Navigator_RunAdAuction_Method, WebFeature::kAttributionReportingAPIAll, WebFeature::kSharedStorageAPI_SharedStorage_DOMReference, WebFeature::kSharedStorageAPI_Run_Method, WebFeature::kSharedStorageAPI_SelectURL_Method, WebFeature::kSharedStorageAPI_SelectURL_Method_CalledWithOneURL, WebFeature::kTopicsAPI_BrowsingTopics_Method, WebFeature::kHTMLFencedFrameElement, WebFeature::kAuthorizationCrossOrigin, WebFeature::kCascadedCSSZoomNotEqualToOne, WebFeature::kV8Window_QueryLocalFonts_Method, WebFeature::kHiddenUntilFoundAttribute, WebFeature::kDanglingMarkupInWindowName, WebFeature::kWebGPURequestAdapter, WebFeature::kWebGPUQueueSubmit, WebFeature::kWebGPUCanvasContextGetCurrentTexture, WebFeature::kLinkRelPreloadAsFont, WebFeature::kV8Window_GetScreenDetails_Method, WebFeature::kV8Window_ShowSaveFilePicker_Method, WebFeature::kChromeCSIUnknown, WebFeature::kChromeCSIOnloadT, WebFeature::kChromeCSIPageT, WebFeature::kChromeCSIStartE, WebFeature::kChromeCSITran, WebFeature::kStorageAccessAPI_requestStorageAccess_BeyondCookies, WebFeature::kStorageAccessAPI_requestStorageAccess_BeyondCookies_all, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_sessionStorage, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_sessionStorage_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_localStorage, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_localStorage_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_indexedDB, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_indexedDB_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_locks, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_locks_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_caches, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_caches_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_getDirectory, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_getDirectory_Use, WebFeature::kAdClickMainFrameNavigation, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_estimate, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_estimate_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_createObjectURL, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_createObjectURL_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_revokeObjectURL, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_revokeObjectURL_Use, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_BroadcastChannel, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_BroadcastChannel_Use, WebFeature::kAutoSpeculationRulesOptedOut, WebFeature::kOverrideFlashEmbedwithHTML, WebFeature::kElementRequestPointerLock, WebFeature::kKeyboardApiLock, WebFeature::kLCPImageWasLazy, WebFeature::kUserFeatureNgOptimizedImage, WebFeature::kUserFeatureNgAfterRender, WebFeature::kUserFeatureNgHydration, WebFeature::kUserFeatureNextThirdPartiesGA, WebFeature::kUserFeatureNextThirdPartiesGTM, WebFeature::kUserFeatureNextThirdPartiesYouTubeEmbed, WebFeature::kUserFeatureNextThirdPartiesGoogleMapsEmbed, WebFeature::kStorageAccessAPI_hasUnpartitionedCookieAccess, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_cookies, WebFeature::kFirstPartySharedWorkerSameSiteCookiesNone, WebFeature::kUserFeatureNuxtImage, WebFeature::kUserFeatureNuxtPicture, WebFeature::kUserFeatureNuxtThirdPartiesGA, WebFeature::kUserFeatureNuxtThirdPartiesGTM, WebFeature::kUserFeatureNuxtThirdPartiesYouTubeEmbed, WebFeature::kUserFeatureNuxtThirdPartiesGoogleMaps, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_SharedWorker, WebFeature:: kStorageAccessAPI_requestStorageAccess_BeyondCookies_SharedWorker_Use, WebFeature::kServiceWorkerStaticRouter_AddRoutes, WebFeature::kServiceWorkerStaticRouter_Evaluate, WebFeature::kNavigatorCookieEnabledThirdParty, WebFeature::kFedCmContinueOnResponse, WebFeature::kSchedulingIsInputPending, WebFeature::kV8DocumentPictureInPicture_RequestWindow_Method, WebFeature:: kSharedStorageAPI_CreateWorklet_CrossOriginScriptDefaultDataOrigin, WebFeature::kSharedStorageAPI_AddModule_CrossOriginScript, WebFeature::kSharedStorageWriteFromBidderGenerateBid, WebFeature::kSharedStorageWriteFromBidderReportWin, WebFeature::kSharedStorageWriteFromSellerScoreAd, WebFeature::kSharedStorageWriteFromSellerReportResult, WebFeature::kIdentityDigitalCredentials, WebFeature::kIdentityDigitalCredentialsSuccess, WebFeature::kIdentityDigitalCredentialsCreation, WebFeature::kIdentityDigitalCredentialsCreationSuccess, WebFeature::kIdentityDigitalCredentialsDeepLink, WebFeature::kDigitalCredentialsProtocolOpenId4VpUnsigned, WebFeature::kDigitalCredentialsProtocolOpenId4VpSigned, WebFeature::kDigitalCredentialsProtocolOpenId4VpMultisigned, WebFeature::kDigitalCredentialsProtocolOrgIsoMdoc, WebFeature::kDigitalCredentialsProtocolOpenId4Vci, WebFeature::kDigitalCredentialsProtocolUnknown, WebFeature::kV8FileSystemObserver_Observe_Method, WebFeature::kGamepadHapticActuatorType, WebFeature::kV8Navigator_JoinAdInterestGroup_Method, WebFeature::kFormValidationShowedMessage, WebFeature::kSpeculationRulesHeader, WebFeature::kGeolocationGetCurrentPosition, WebFeature::kGeolocationWatchPosition, WebFeature::kStorageAccessAPI_requestStorageAccessFor_Method, WebFeature::kSharedWorkerScriptUnderServiceWorkerControlIsBlob, WebFeature::kCSSEnvironmentVariable_SafeAreaInsetBottom_FastPath, WebFeature::kUpgradeInsecureRequestsUpgradedRequestBlockable, WebFeature::kMediaSessionEnterPictureInPicture, WebFeature::kV8WasmMultiMemory, WebFeature::kV8WasmMemory64, WebFeature::kV8WasmGC, WebFeature::kV8WebAssemblyJSStringBuiltins, WebFeature::kV8WasmJavaScriptPromiseIntegration, WebFeature::kV8WasmReturnCall, WebFeature::kV8WasmExnRef, WebFeature::kV8WasmExceptionHandling, WebFeature::kTextAutosizing, WebFeature::kCredentialManagerGetPasswordCredential, WebFeature::kCrossPartitionSameOriginBlobURLFetch, WebFeature::kCSPBlockedWorkerCreation, WebFeature::kCrossOriginOwnerInterestGroupSubframeCheckFailed, WebFeature::kV8Navigator_LeaveAdInterestGroup_Method, WebFeature::kV8Navigator_ClearOriginJoinedAdInterestGroups_Method, WebFeature::kLanguageDetector_MeasureInputUsage, WebFeature::kLanguageDetector_InputQuota, WebFeature::kTranslator_Create, WebFeature::kTranslator_Availability, WebFeature::kTranslator_SourceLanguage, WebFeature::kTranslator_TargetLanguage, WebFeature::kTranslator_Destroy, WebFeature::kTranslator_Translate, WebFeature::kTranslator_TranslateStreaming, WebFeature::kTranslator_MeasureInputUsage, WebFeature::kTranslator_InputQuota, WebFeature::kLanguageDetector_Create, WebFeature::kLanguageDetector_Availability, WebFeature::kLanguageDetector_Detect, WebFeature::kLanguageDetector_Destroy, WebFeature::kSummarizer_Create, WebFeature::kSummarizer_Availability, WebFeature::kSummarizer_Summarize, WebFeature::kSummarizer_SummarizeStreaming, WebFeature::kWriter_Create, WebFeature::kWriter_Availability, WebFeature::kWriter_Write, WebFeature::kWriter_WriteStreaming, WebFeature::kRewriter_Create, WebFeature::kRewriter_Availability, WebFeature::kRewriter_Rewrite, WebFeature::kRewriter_RewriteStreaming, WebFeature::kLanguageModel_Create, WebFeature::kLanguageModel_Availability, WebFeature::kLanguageModel_Prompt, WebFeature::kLanguageModel_PromptStreaming, WebFeature::kLanguageModel_Prompt_Input_Image, WebFeature::kLanguageModel_Prompt_Input_Audio, WebFeature::kSemanticEmbedder_Create, WebFeature::kSemanticEmbedder_Availability, WebFeature::kSemanticEmbedder_Embed, WebFeature::kSemanticEmbedder_Destroy, WebFeature::kCredentialManagerCreateFederatedCredential, WebFeature::kCredentialManagerStoreFederatedCredential, WebFeature::kCredentialManagerGetLegacyFederatedCredential, WebFeature::kClearSiteData, WebFeature::kXSLProcessingInstruction, WebFeature::kXSLTProcessor, WebFeature::kXMLExternalResourceLoad, WebFeature::kProofreader_Create, WebFeature::kProofreader_Availability, WebFeature::kProofreader_Proofread, WebFeature::kDeviceBoundSessionRegistered, WebFeature::kDeviceBoundSessionRequestInScope, WebFeature::kDeviceBoundSessionRequestDeferral, WebFeature::kFedCmErrorCodeAttribute, WebFeature::kFedCmErrorErrorAttribute, WebFeature::kWebRTCLocalNetworkAccessPublicToLocal, WebFeature::kWebRTCLocalNetworkAccessPublicToLoopback, WebFeature::kWebRTCLocalNetworkAccessLocalToLoopback, WebFeature::kWebSocketStreamConstructor, WebFeature::kHistoryGoBackWouldSkipAd, WebFeature::kHistoryGoBackWouldSkipSameOriginAd, WebFeature::kHistoryGoForwardWouldSkipAd, WebFeature::kHistoryGoBackWouldNotSkipAdDueToSameOriginExclusion, WebFeature::kHistoryGoForwardWouldNotSkipAdDueToSameOriginExclusion, WebFeature::kSvgFilterPaintedOnLocalFrame, WebFeature::kSvgFilterPaintedOnRemoteFrame, WebFeature::kSvgFilterPaintedOnWebPlugin, WebFeature::kSameDocumentCrossOriginInitiator, WebFeature::kAdScriptMainFrameNavigationWithoutUserGesture, WebFeature::kHTMLGeolocationElement, WebFeature::kHTMLInstallElement, WebFeature::kHTMLUserMediaElement, WebFeature::kCapabilityElementIsValid, WebFeature::kCapabilityElementInvalidReason, WebFeature::kCapabilityElementInitialPermissionStatus, WebFeature::kCapabilityElementPermissionStatus, WebFeature::kCapabilityElementOnPromptAction, WebFeature::kCapabilityElementOnPromptDismiss, WebFeature::kCapabilityElementOnValidationStatusChange, WebFeature::kCredentialsGetImmediateMediationWithWebAuthnOnly, WebFeature::kCredentialsGetImmediateMediationWithWebAuthnAndPasswords, WebFeature::kPreventSvgFilterPaint, WebFeature::kWebSpeechSttAvailable, WebFeature::kWebSpeechSttStart, WebFeature::kWebSpeechSttResultRetrieved, WebFeature::kWebSpeechSttError, WebFeature::kWebSpeechTtsSynthesize, WebFeature::kWebSpeechTtsSuccess, WebFeature::kWebSpeechTtsError, WebFeature::kViewportFitCover, WebFeature::kModelContextRegisterTool, WebFeature::kModelContextRegisterDeclarativeTool, WebFeature::kModelContextExecuteTool, WebFeature::kModelContextExecuteDeclarativeTool, WebFeature::kModelContextExecuteDeclarativeAutosubmit, WebFeature::kModelContextGetTools, WebFeature::kXmlCAPAlert, WebFeature::kXmlCAPAlertWithXSLT, // NOTE: before adding new use counters here, verify in UMA that // their emissions are very rare, e.g. <1% of page loads. })); return *opt_in_features; }