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| 1 // http://dev.chromium.org/blink/runtime-enabled-features | 1 // http://dev.chromium.org/blink/runtime-enabled-features |
| 2 // | 2 // |
| 3 // This list is used to generate RuntimeEnabledFeatures.h/cpp which contains | 3 // This list is used to generate RuntimeEnabledFeatures.h/cpp which contains |
| 4 // a class that stores static enablers for all experimental features. | 4 // a class that stores static enablers for all experimental features. |
| 5 // | 5 // |
| 6 // Each feature can be assigned a "status": | 6 // Each feature can be assigned a "status": |
| 7 // status=stable -> Enable this in all Blink configurations. We are committed t
o these APIs indefinitely. | 7 // status=stable -> Enable this in all Blink configurations. We are committed t
o these APIs indefinitely. |
| 8 // status=experimental -> In-progress features, Web Developers might play with,
but are not on by default in stable. | 8 // status=experimental -> In-progress features, Web Developers might play with,
but are not on by default in stable. |
| 9 // status=test -> Enabled in ContentShell for testing, otherwise off. | 9 // status=test -> Enabled in ContentShell for testing, otherwise off. |
| 10 // Features without a status are not enabled anywhere by default. | 10 // Features without a status are not enabled anywhere by default. |
| 11 // | 11 // |
| 12 // "implied_by" or "depends_on" specifies relationship to other features: | 12 // "implied_by" or "depends_on" specifies relationship to other features: |
| 13 // implied_by=feature1[,feature2,...] -> The feature is automatically enabled if
any implied_by features is enabled; | 13 // implied_by=feature1[,feature2,...] -> The feature is automatically enabled if
any implied_by features is enabled; |
| 14 // depends_on=feature1[,feature2,...] -> The feature is enabled only if all depe
nds_on features are enabled. | 14 // depends_on=feature1[,feature2,...] -> The feature is enabled only if all depe
nds_on features are enabled. |
| 15 // Only one of "implied_by" and "depends_on" can be specified. | 15 // Only one of "implied_by" and "depends_on" can be specified. |
| 16 // | 16 // |
| 17 // "stable" features listed here should be rare, as anything which we've shipped
stable | 17 // "stable" features listed here should be rare, as anything which we've shipped
stable |
| 18 // can have its runtime flag removed soon after. | 18 // can have its runtime flag removed soon after. |
| 19 // | 19 // |
| 20 // origin_trial_feature_name=FEATURE_NAME is used to integrate the feature with
the experimental framework, so that the | 20 // origin_trial_feature_name=FEATURE_NAME is used to integrate the feature with
the experimental framework, so that the |
| 21 // feature can be enabled at runtime on a per-page basis through a signed token
for the corresponding feature name. | 21 // feature can be enabled at runtime on a per-page basis through a signed token
for the corresponding feature name. |
| 22 // Declaring the origin_trial_feature_name will cause a static method to be gene
rated in OriginTrials.h/cpp. This static | 22 // Declaring the origin_trial_feature_name will cause a static method to be gene
rated in OriginTrials.h/cpp. This static |
| 23 // method allows the feature implementation to check if it is enabled for the cu
rrent context. | 23 // method allows the feature implementation to check if it is enabled for the cu
rrent context. |
| 24 // |
| 25 // settable_from_internals specifies whether a feature can be set from internals
.runtimeFlags, with the default |
| 26 // being false. |
| 24 | 27 |
| 25 AppBanner status=stable | 28 AppBanner status=stable |
| 26 AlwaysUseComplexText status=stable | 29 AlwaysUseComplexText status=stable |
| 27 ApplicationCache status=stable | 30 ApplicationCache status=stable |
| 28 AudioOutputDevices status=stable | 31 AudioOutputDevices status=stable |
| 29 AudioVideoTracks status=experimental | 32 AudioVideoTracks status=experimental |
| 30 BackgroundSync status=stable | 33 BackgroundSync status=stable |
| 31 BackspaceDefaultHandler status=test | 34 BackspaceDefaultHandler status=test |
| 32 CacheIgnoreSearchOption status=experimental | 35 CacheIgnoreSearchOption status=experimental |
| 33 Canvas2dImageChromium status=experimental | 36 Canvas2dImageChromium status=experimental |
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| 167 RemotePlayback status=experimental | 170 RemotePlayback status=experimental |
| 168 RenderingPipelineThrottling status=stable | 171 RenderingPipelineThrottling status=stable |
| 169 RequestIdleCallback status=stable | 172 RequestIdleCallback status=stable |
| 170 RequestAutocomplete status=test | 173 RequestAutocomplete status=test |
| 171 ResponseConstructedWithReadableStream status=experimental | 174 ResponseConstructedWithReadableStream status=experimental |
| 172 ResponseBodyWithV8ExtraStream status=experimental | 175 ResponseBodyWithV8ExtraStream status=experimental |
| 173 SandboxBlocksModals status=stable | 176 SandboxBlocksModals status=stable |
| 174 ScreenOrientation status=stable | 177 ScreenOrientation status=stable |
| 175 ScriptedSpeech status=stable | 178 ScriptedSpeech status=stable |
| 176 // Scrolls to compensate for layout movements (bit.ly/scroll-anchoring). | 179 // Scrolls to compensate for layout movements (bit.ly/scroll-anchoring). |
| 177 ScrollAnchoring | 180 ScrollAnchoring settable_from_internals=True |
| 178 // Implements documentElement.scrollTop/Left and bodyElement.scrollTop/Left | 181 // Implements documentElement.scrollTop/Left and bodyElement.scrollTop/Left |
| 179 // as per the spec, matching other Web engines. | 182 // as per the spec, matching other Web engines. |
| 180 ScrollTopLeftInterop status=experimental | 183 ScrollTopLeftInterop status=experimental |
| 181 ServiceWorkerClientAttributes status=stable | 184 ServiceWorkerClientAttributes status=stable |
| 182 ServiceWorkerClientsGetID status=stable | 185 ServiceWorkerClientsGetID status=stable |
| 183 ServiceWorkerWindowClientNavigate status=stable | 186 ServiceWorkerWindowClientNavigate status=stable |
| 184 SetRootScroller status=experimental | 187 SetRootScroller status=experimental |
| 185 ShadowDOMV1 status=experimental | 188 ShadowDOMV1 status=experimental |
| 186 SharedArrayBuffer | 189 SharedArrayBuffer |
| 187 SharedWorker status=stable | 190 SharedWorker status=stable |
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| 224 VisibilityChangeOnUnload status=experimental | 227 VisibilityChangeOnUnload status=experimental |
| 225 XSLT status=stable | 228 XSLT status=stable |
| 226 smil status=stable | 229 smil status=stable |
| 227 ScrollCustomization | 230 ScrollCustomization |
| 228 ScrollRestoration status=stable | 231 ScrollRestoration status=stable |
| 229 VisualViewportAPI status=experimental | 232 VisualViewportAPI status=experimental |
| 230 WakeLock status=experimental | 233 WakeLock status=experimental |
| 231 WebFontsInterventionV2 | 234 WebFontsInterventionV2 |
| 232 WebFontsInterventionTrigger | 235 WebFontsInterventionTrigger |
| 233 Worklet status=test | 236 Worklet status=test |
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