| // Copyright 2015 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. |
| |
| // This file defines all the public base::FeatureList features for the content |
| // module. |
| |
| #ifndef CONTENT_PUBLIC_COMMON_CONTENT_FEATURES_H_ |
| #define CONTENT_PUBLIC_COMMON_CONTENT_FEATURES_H_ |
| |
| #include "base/feature_list.h" |
| #include "base/metrics/field_trial_params.h" |
| #include "base/time/time.h" |
| #include "build/build_config.h" |
| #include "build/chromeos_buildflags.h" |
| #include "content/common/content_export.h" |
| |
| namespace features { |
| |
| // All features in alphabetical order. The features should be documented |
| // alongside the definition of their values in the .cc file. |
| CONTENT_EXPORT extern const base::Feature |
| kAllowContentInitiatedDataUrlNavigations; |
| CONTENT_EXPORT extern const base::Feature kAndroidDownloadableFontsMatching; |
| #if BUILDFLAG(IS_WIN) |
| CONTENT_EXPORT extern const base::Feature kAudioProcessHighPriorityWin; |
| #endif |
| CONTENT_EXPORT extern const base::Feature kAudioServiceLaunchOnStartup; |
| CONTENT_EXPORT extern const base::Feature kAudioServiceOutOfProcess; |
| CONTENT_EXPORT extern const base::Feature kAudioServiceSandbox; |
| CONTENT_EXPORT extern const base::Feature |
| kAvoidUnnecessaryBeforeUnloadCheckPostTask; |
| CONTENT_EXPORT extern const base::Feature |
| kAvoidUnnecessaryBeforeUnloadCheckSync; |
| CONTENT_EXPORT extern const base::Feature kBackgroundFetch; |
| CONTENT_EXPORT extern const base::Feature kBackForwardCache; |
| CONTENT_EXPORT extern const base::Feature kBackForwardCacheMemoryControls; |
| CONTENT_EXPORT extern const base::Feature kBackForwardCacheMediaSessionService; |
| CONTENT_EXPORT extern const base::Feature kBlockInsecurePrivateNetworkRequests; |
| CONTENT_EXPORT extern const base::Feature |
| kBlockInsecurePrivateNetworkRequestsFromPrivate; |
| CONTENT_EXPORT extern const base::Feature |
| kBlockInsecurePrivateNetworkRequestsFromUnknown; |
| CONTENT_EXPORT extern const base::Feature |
| kBlockInsecurePrivateNetworkRequestsDeprecationTrial; |
| CONTENT_EXPORT extern const base::Feature |
| kBlockInsecurePrivateNetworkRequestsForNavigations; |
| CONTENT_EXPORT extern const base::Feature kBrowserUseDisplayThreadPriority; |
| CONTENT_EXPORT extern const base::Feature |
| kBrowserVerifiedUserActivationKeyboard; |
| CONTENT_EXPORT extern const base::Feature kBrowserVerifiedUserActivationMouse; |
| CONTENT_EXPORT extern const base::Feature kCacheInlineScriptCode; |
| CONTENT_EXPORT extern const base::Feature kCanvas2DImageChromium; |
| CONTENT_EXPORT extern const base::Feature kCapabilityDelegationPaymentRequest; |
| CONTENT_EXPORT extern const base::Feature |
| kClearCrossSiteCrossBrowsingContextGroupWindowName; |
| CONTENT_EXPORT extern const base::Feature kClickPointerEvent; |
| CONTENT_EXPORT extern const base::Feature kCompositeBGColorAnimation; |
| CONTENT_EXPORT extern const base::Feature kCodeCacheDeletionWithoutFilter; |
| CONTENT_EXPORT extern const base::Feature kConsolidatedMovementXY; |
| CONTENT_EXPORT extern const base::Feature kCooperativeScheduling; |
| CONTENT_EXPORT extern const base::Feature kCrashReporting; |
| CONTENT_EXPORT extern const base::Feature kCriticalClientHint; |
| CONTENT_EXPORT extern const base::Feature kDataSaverHoldback; |
| CONTENT_EXPORT extern const base::Feature |
| kDebugHistoryInterventionNoUserActivation; |
| CONTENT_EXPORT extern const base::Feature kDesktopCaptureChangeSource; |
| #if BUILDFLAG(IS_CHROMEOS_LACROS) |
| CONTENT_EXPORT extern const base::Feature kDesktopCaptureLacrosV2; |
| #endif |
| CONTENT_EXPORT extern const base::Feature kDesktopPWAsTabStrip; |
| CONTENT_EXPORT extern const base::Feature kDevicePosture; |
| CONTENT_EXPORT extern const base::Feature kDocumentPolicy; |
| CONTENT_EXPORT extern const base::Feature kDocumentPolicyNegotiation; |
| CONTENT_EXPORT extern const base::Feature kEarlyEstablishGpuChannel; |
| CONTENT_EXPORT extern const base::Feature kEarlyHintsPreloadForNavigation; |
| CONTENT_EXPORT extern const base::Feature kEmbeddingRequiresOptIn; |
| CONTENT_EXPORT extern const base::Feature |
| kEnableBackForwardCacheForScreenReader; |
| CONTENT_EXPORT extern const base::Feature kEnableCanvas2DLayers; |
| CONTENT_EXPORT extern const base::Feature kEnumerateDevicesHideDeviceIDs; |
| CONTENT_EXPORT extern const base::Feature kExperimentalAccessibilityLabels; |
| CONTENT_EXPORT extern const base::Feature |
| kExperimentalContentSecurityPolicyFeatures; |
| CONTENT_EXPORT extern const base::Feature |
| kExtraSafelistedRequestHeadersForOutOfBlinkCors; |
| CONTENT_EXPORT extern const base::Feature kFedCm; |
| CONTENT_EXPORT extern const char kFedCmAutoSigninFieldTrialParamName[]; |
| CONTENT_EXPORT extern const char kFedCmIdpSignoutFieldTrialParamName[]; |
| CONTENT_EXPORT extern const base::Feature kFirstPartySets; |
| CONTENT_EXPORT extern const base::FeatureParam<bool> kFirstPartySetsIsDogfooder; |
| CONTENT_EXPORT extern const base::Feature kFirstPartySetsV2ComponentFormat; |
| CONTENT_EXPORT extern const base::Feature kFontManagerEarlyInit; |
| CONTENT_EXPORT extern const base::Feature kFontSrcLocalMatching; |
| #if !BUILDFLAG(IS_ANDROID) |
| CONTENT_EXPORT extern const base::Feature |
| kForwardMemoryPressureEventsToGpuProcess; |
| #endif |
| CONTENT_EXPORT extern const base::Feature kFledgeLimitNumAuctions; |
| CONTENT_EXPORT extern const base::FeatureParam<int> |
| kFledgeLimitNumAuctionsParam; |
| CONTENT_EXPORT extern const base::Feature kFractionalScrollOffsets; |
| CONTENT_EXPORT extern const base::Feature kGreaseUACH; |
| CONTENT_EXPORT extern const base::Feature kIdleDetection; |
| CONTENT_EXPORT extern const base::Feature kIncludeIpcOverheadInNavigationStart; |
| CONTENT_EXPORT extern const base::Feature kInstalledApp; |
| CONTENT_EXPORT extern const base::Feature kInstalledAppProvider; |
| CONTENT_EXPORT extern const base::Feature kInstalledAppsInCbd; |
| CONTENT_EXPORT extern const base::Feature kIsolateOrigins; |
| CONTENT_EXPORT extern const char kIsolateOriginsFieldTrialParamName[]; |
| CONTENT_EXPORT extern const base::Feature kIsolateSandboxedIframes; |
| CONTENT_EXPORT extern const base::Feature kLazyFrameLoading; |
| CONTENT_EXPORT extern const base::Feature kLazyFrameVisibleLoadTimeMetrics; |
| CONTENT_EXPORT extern const base::Feature kLazyImageLoading; |
| CONTENT_EXPORT extern const base::Feature kLazyImageVisibleLoadTimeMetrics; |
| CONTENT_EXPORT extern const base::Feature kLazyInitializeMediaControls; |
| CONTENT_EXPORT extern const base::Feature kLegacyWindowsDWriteFontFallback; |
| CONTENT_EXPORT extern const base::Feature kLogJsConsoleMessages; |
| CONTENT_EXPORT extern const base::Feature kMBIMode; |
| enum class MBIMode { |
| // In this mode, the AgentSchedulingGroup will use the process-wide legacy IPC |
| // channel for communication with the renderer process and to associate its |
| // interfaces with. AgentSchedulingGroup will effectively be a pass-through, |
| // enabling legacy IPC and mojo behavior. |
| kLegacy, |
| |
| // In this mode, each AgentSchedulingGroup will have its own legacy IPC |
| // channel for communication with the renderer process and to associate its |
| // interfaces with. Communication over that channel will not be ordered with |
| // respect to the process-global legacy IPC channel. There will only be a |
| // single AgentSchedulingGroup per RenderProcessHost. |
| kEnabledPerRenderProcessHost, |
| |
| // This is just like the above state, however there will be a single |
| // AgentSchedulingGroup per SiteInstance, and therefore potentially multiple |
| // AgentSchedulingGroups per RenderProcessHost. Ordering between the |
| // AgentSchedulingGroups in the same render process is not preserved. |
| kEnabledPerSiteInstance, |
| }; |
| CONTENT_EXPORT extern const base::FeatureParam<MBIMode> kMBIModeParam; |
| CONTENT_EXPORT extern const base::Feature kMediaDevicesSystemMonitorCache; |
| CONTENT_EXPORT extern const base::Feature kMediaLicenseBackend; |
| CONTENT_EXPORT extern const base::Feature kMediaStreamTrackTransfer; |
| CONTENT_EXPORT extern const base::Feature kMojoDedicatedThread; |
| CONTENT_EXPORT extern const base::Feature kMojoVideoCapture; |
| CONTENT_EXPORT extern const base::Feature kMojoVideoCaptureSecondary; |
| CONTENT_EXPORT extern const base::Feature kMouseSubframeNoImplicitCapture; |
| CONTENT_EXPORT extern const base::Feature kNavigationNetworkResponseQueue; |
| CONTENT_EXPORT extern const base::Feature kNavigationRequestPreconnect; |
| CONTENT_EXPORT extern const base::Feature kNavigationThreadingOptimizations; |
| CONTENT_EXPORT extern const base::Feature kNetworkQualityEstimatorWebHoldback; |
| CONTENT_EXPORT extern const base::Feature kNetworkServiceInProcess; |
| CONTENT_EXPORT extern const base::Feature |
| kNetworkServiceUsesDisplayThreadPriority; |
| CONTENT_EXPORT extern const base::Feature kNeverSlowMode; |
| CONTENT_EXPORT extern const base::Feature kNotificationContentImage; |
| CONTENT_EXPORT extern const base::Feature kNotificationTriggers; |
| CONTENT_EXPORT extern const base::Feature kOriginIsolationHeader; |
| CONTENT_EXPORT extern const base::Feature kOriginPolicy; |
| CONTENT_EXPORT extern const base::Feature kOverscrollHistoryNavigation; |
| CONTENT_EXPORT extern const base::Feature kPaymentRequestBasicCard; |
| CONTENT_EXPORT extern const base::Feature kPaymentRequestRequiresUserActivation; |
| CONTENT_EXPORT extern const base::Feature kPeriodicBackgroundSync; |
| CONTENT_EXPORT extern const base::Feature kFeaturePolicyHeader; |
| CONTENT_EXPORT extern const base::Feature kPepper3DImageChromium; |
| CONTENT_EXPORT extern const base::Feature kPepperCrossOriginRedirectRestriction; |
| CONTENT_EXPORT extern const base::Feature kPictureInPictureV2; |
| CONTENT_EXPORT extern const base::Feature kHighPriorityBeforeUnload; |
| CONTENT_EXPORT extern const base::Feature kPrivacySandboxAdsAPIsOverride; |
| CONTENT_EXPORT extern const base::Feature kPrivateNetworkAccessForWorkers; |
| CONTENT_EXPORT extern const base::Feature |
| kPrivateNetworkAccessRespectPreflightResults; |
| CONTENT_EXPORT extern const base::Feature kPrivateNetworkAccessSendPreflights; |
| CONTENT_EXPORT extern const base::Feature kProactivelySwapBrowsingInstance; |
| CONTENT_EXPORT extern const base::Feature |
| kProcessSharingWithDefaultSiteInstances; |
| CONTENT_EXPORT extern const base::Feature |
| kProcessSharingWithStrictSiteInstances; |
| CONTENT_EXPORT extern const base::Feature kPushSubscriptionChangeEvent; |
| CONTENT_EXPORT extern const base::Feature kReloadHiddenTabsWithCrashedSubframes; |
| CONTENT_EXPORT extern const base::Feature |
| kRenderAccessibilityHostDeserializationOffMainThread; |
| CONTENT_EXPORT extern const base::Feature kRenderDocument; |
| CONTENT_EXPORT extern const base::Feature |
| kRunVideoCaptureServiceInBrowserProcess; |
| CONTENT_EXPORT extern const base::Feature kSavePageAsWebBundle; |
| CONTENT_EXPORT extern const base::Feature kSecurePaymentConfirmation; |
| CONTENT_EXPORT extern const base::Feature kSecurePaymentConfirmationAPIV3; |
| CONTENT_EXPORT extern const base::Feature kSecurePaymentConfirmationDebug; |
| CONTENT_EXPORT extern const base::Feature |
| kSendBeaconThrowForBlobWithNonSimpleType; |
| CONTENT_EXPORT extern const base::Feature kServiceWorkerPaymentApps; |
| CONTENT_EXPORT extern const base::Feature |
| kServiceWorkerTerminationOnNoControllee; |
| CONTENT_EXPORT extern const base::Feature kSharedArrayBuffer; |
| CONTENT_EXPORT extern const base::Feature kSharedArrayBufferOnDesktop; |
| CONTENT_EXPORT extern const base::Feature |
| kSignedExchangeReportingForDistributors; |
| CONTENT_EXPORT extern const base::Feature kSignedExchangeSubresourcePrefetch; |
| CONTENT_EXPORT extern const base::Feature kSignedHTTPExchange; |
| CONTENT_EXPORT extern const base::Feature kSignedHTTPExchangePingValidity; |
| CONTENT_EXPORT extern const base::Feature |
| kSiteIsolationForCrossOriginOpenerPolicy; |
| CONTENT_EXPORT extern const base::FeatureParam<bool> |
| kSiteIsolationForCrossOriginOpenerPolicyShouldPersistParam; |
| CONTENT_EXPORT extern const base::FeatureParam<int> |
| kSiteIsolationForCrossOriginOpenerPolicyMaxSitesParam; |
| CONTENT_EXPORT extern const base::FeatureParam<base::TimeDelta> |
| kSiteIsolationForCrossOriginOpenerPolicyExpirationTimeoutParam; |
| CONTENT_EXPORT extern const base::Feature kSiteIsolationForGuests; |
| CONTENT_EXPORT extern const base::Feature kDisableProcessReuse; |
| CONTENT_EXPORT extern const base::Feature |
| kSkipEarlyCommitPendingForCrashedFrame; |
| CONTENT_EXPORT extern const base::Feature kUserMediaCaptureOnFocus; |
| #if BUILDFLAG(IS_CHROMEOS) |
| CONTENT_EXPORT extern const base::Feature kWebLockScreenApi; |
| #endif // BUILDFLAG(IS_CHROMEOS) |
| CONTENT_EXPORT extern const base::Feature kWebOTP; |
| CONTENT_EXPORT extern const base::Feature kWebOTPAssertionFeaturePolicy; |
| CONTENT_EXPORT extern const base::Feature kSpareRendererForSitePerProcess; |
| CONTENT_EXPORT extern const base::Feature kStopVideoCaptureOnScreenLock; |
| CONTENT_EXPORT extern const base::Feature kStrictOriginIsolation; |
| CONTENT_EXPORT extern const base::Feature kSubframeShutdownDelay; |
| enum class SubframeShutdownDelayType { |
| // A flat 2s shutdown delay. |
| kConstant, |
| // A flat 8s shutdown delay. |
| kConstantLong, |
| // A variable delay from 0s to 8s based on the median interval between |
| // subframe shutdown and process reuse over the past 5 subframe navigations. |
| // A subframe that could not be reused is counted as 0s. |
| kHistoryBased, |
| // A variable delay from 0s to 8s based on the 75th-percentile interval |
| // between subframe shutdown and process reuse over the past 5 subframe |
| // navigations. A subframe that could not be reused is counted as 0s. |
| kHistoryBasedLong, |
| // A 2s base delay at 8 GB available memory or lower. Above 8 GB available |
| // memory, scales up linearly to a maximum 8s delay at 16 GB or more. |
| kMemoryBased |
| }; |
| CONTENT_EXPORT extern const base::FeatureParam<SubframeShutdownDelayType> |
| kSubframeShutdownDelayTypeParam; |
| CONTENT_EXPORT extern const base::Feature kSubresourceWebBundles; |
| CONTENT_EXPORT extern const base::Feature |
| kSuppressDifferentOriginSubframeJSDialogs; |
| CONTENT_EXPORT extern const base::Feature kSyntheticPointerActions; |
| CONTENT_EXPORT extern const base::Feature kThreadingOptimizationsOnIO; |
| CONTENT_EXPORT extern const base::Feature kTouchDragAndContextMenu; |
| CONTENT_EXPORT extern const base::Feature kTouchpadAsyncPinchEvents; |
| CONTENT_EXPORT extern const base::Feature kTouchpadOverscrollHistoryNavigation; |
| CONTENT_EXPORT extern const base::Feature kTreatBootstrapAsDefault; |
| CONTENT_EXPORT extern const base::Feature kTrustedDOMTypes; |
| CONTENT_EXPORT extern const base::Feature kUnrestrictedSharedArrayBuffer; |
| CONTENT_EXPORT extern const base::Feature kUserActivationSameOriginVisibility; |
| CONTENT_EXPORT extern const base::Feature kVerifyDidCommitParams; |
| CONTENT_EXPORT extern const base::Feature kVideoPlaybackQuality; |
| CONTENT_EXPORT extern const base::Feature kV8VmFuture; |
| CONTENT_EXPORT extern const base::Feature kWebAppWindowControlsOverlay; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyBaseline; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyCodeProtection; |
| #if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && defined(ARCH_CPU_X86_64) |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyCodeProtectionPku; |
| #endif // (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && |
| // defined(ARCH_CPU_X86_64) |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyDynamicTiering; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyLazyCompilation; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblySimd; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyTiering; |
| CONTENT_EXPORT extern const base::Feature kWebAssemblyTrapHandler; |
| CONTENT_EXPORT extern const base::Feature kWebAuthCable; |
| CONTENT_EXPORT extern const base::Feature kWebAuthConditionalUI; |
| CONTENT_EXPORT extern const base::Feature kWebBluetooth; |
| CONTENT_EXPORT extern const base::Feature kWebBluetoothNewPermissionsBackend; |
| CONTENT_EXPORT extern const base::Feature kWebBluetoothBondOnDemand; |
| CONTENT_EXPORT extern const base::Feature kWebBundles; |
| CONTENT_EXPORT extern const base::Feature kWebBundlesFromNetwork; |
| CONTENT_EXPORT extern const base::Feature kWebGLImageChromium; |
| CONTENT_EXPORT extern const base::Feature kWebMidi; |
| CONTENT_EXPORT extern const base::Feature kWebOtpBackendAuto; |
| CONTENT_EXPORT extern const base::Feature kWebPayments; |
| CONTENT_EXPORT extern const base::Feature kWebRtcUseGpuMemoryBufferVideoFrames; |
| CONTENT_EXPORT extern const base::Feature kWebUICodeCache; |
| CONTENT_EXPORT extern const base::Feature kWebUIReportOnlyTrustedTypes; |
| CONTENT_EXPORT extern const base::Feature kWebUsb; |
| CONTENT_EXPORT extern const base::Feature kWebXr; |
| CONTENT_EXPORT extern const base::Feature kWebXrArModule; |
| |
| #if BUILDFLAG(IS_ANDROID) |
| CONTENT_EXPORT extern const base::Feature kAccessibilityPageZoom; |
| CONTENT_EXPORT extern const base::Feature |
| kBackgroundMediaRendererHasModerateBinding; |
| CONTENT_EXPORT extern const base::Feature kBigLittleScheduling; |
| CONTENT_EXPORT extern const base::Feature kBindingManagementWaiveCpu; |
| CONTENT_EXPORT extern const base::Feature kIndependentFlingAnimation; |
| CONTENT_EXPORT extern const base::Feature kOnDemandAccessibilityEvents; |
| CONTENT_EXPORT extern const base::Feature kRequestDesktopSiteExceptions; |
| CONTENT_EXPORT extern const base::Feature kRequestDesktopSiteGlobal; |
| CONTENT_EXPORT extern const base::Feature kUserMediaScreenCapturing; |
| CONTENT_EXPORT extern const base::Feature kWarmUpNetworkProcess; |
| CONTENT_EXPORT extern const base::Feature kWebNfc; |
| |
| extern const char kBigLittleSchedulingBrowserMainBiggerParam[]; |
| extern const char kBigLittleSchedulingBrowserMainBigParam[]; |
| extern const char kBigLittleSchedulingBrowserIOBigParam[]; |
| extern const char kBigLittleSchedulingRenderMainBigParam[]; |
| extern const char kBigLittleSchedulingNetworkMainBigParam[]; |
| extern const char kBigLittleSchedulingGpuMainBigParam[]; |
| extern const char kDragAndDropMovementThresholdDipParam[]; |
| |
| CONTENT_EXPORT extern const base::Feature kOptimizeEarlyNavigation; |
| CONTENT_EXPORT extern const base::FeatureParam<base::TimeDelta> |
| kCompositorLockTimeout; |
| |
| #endif // BUILDFLAG(IS_ANDROID) |
| |
| #if BUILDFLAG(IS_MAC) |
| CONTENT_EXPORT extern const base::Feature kDeviceMonitorMac; |
| CONTENT_EXPORT extern const base::Feature kIOSurfaceCapturer; |
| CONTENT_EXPORT extern const base::Feature kMacSyscallSandbox; |
| CONTENT_EXPORT extern const base::Feature kRetryGetVideoCaptureDeviceInfos; |
| #endif // BUILDFLAG(IS_MAC) |
| |
| #if defined(WEBRTC_USE_PIPEWIRE) |
| CONTENT_EXPORT extern const base::Feature kWebRtcPipeWireCapturer; |
| #endif // defined(WEBRTC_USE_PIPEWIRE) |
| |
| // DON'T ADD RANDOM STUFF HERE. Put it in the main section above in |
| // alphabetical order, or in one of the ifdefs (also in order in each section). |
| |
| CONTENT_EXPORT bool IsVideoCaptureServiceEnabledForOutOfProcess(); |
| CONTENT_EXPORT bool IsVideoCaptureServiceEnabledForBrowserProcess(); |
| |
| } // namespace features |
| |
| #endif // CONTENT_PUBLIC_COMMON_CONTENT_FEATURES_H_ |