| 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 180627c245dd13a9b4a0a424a5b57b04dd82c383..907cab8a0a0928dc208b86ba98c496cfc61d0940 100644 | 
| --- a/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| +++ b/third_party/WebKit/Source/platform/RuntimeEnabledFeatures.in | 
| @@ -126,6 +126,7 @@ MediaGetSettings status=test | 
| MediaRecorder status=stable | 
| MediaSession | 
| MediaSourceExperimental status=experimental | 
| +MediaSourceNewAbortAndDuration status=experimental | 
| MediaStreamSpeech status=experimental | 
| MemoryInfoInWorkers status=experimental | 
| MobileLayoutTheme | 
|  |