| Index: third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| diff --git a/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in b/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| index b18c938b6928541d988512d53bdc322a6561fc12..001ef8b05b50de84b19b88f412add3db11d62b7d 100644 | 
| --- a/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| +++ b/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| @@ -177,6 +177,7 @@ RenderUnicodeControlCharacters status=experimental | 
| RequestIdleCallback status=stable | 
| ResponseConstructedWithReadableStream status=stable | 
| ResponseBodyWithV8ExtraStream status=stable | 
| +ResizeObserver status=experimental | 
| SandboxBlocksModals status=stable | 
| ScreenOrientation status=stable | 
| ScriptedSpeech status=stable | 
|  |