| Index: Source/modules/modules.gypi | 
| diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi | 
| index 4e5a45709c5969cb41907ffca2e5b22fba5f4a18..220835c25c26feb72f8441b7b2a69114eb4e179f 100644 | 
| --- a/Source/modules/modules.gypi | 
| +++ b/Source/modules/modules.gypi | 
| @@ -276,6 +276,7 @@ | 
| 'geolocation/NavigatorGeolocation.idl', | 
| 'indexeddb/WindowIndexedDatabase.idl', | 
| 'indexeddb/WorkerGlobalScopeIndexedDatabase.idl', | 
| +      'mediasession/HTMLMediaElementMediaSession.idl', | 
| 'mediasource/HTMLVideoElementMediaSource.idl', | 
| 'mediasource/URLMediaSource.idl', | 
| 'mediastream/NavigatorMediaStream.idl', | 
| @@ -938,6 +939,8 @@ | 
| 'indexeddb/WorkerGlobalScopeIndexedDatabase.h', | 
| 'mediasession/MediaSession.h', | 
| 'mediasession/MediaSession.cpp', | 
| +      'mediasession/HTMLMediaElementMediaSession.h', | 
| +      'mediasession/HTMLMediaElementMediaSession.cpp', | 
| 'mediasource/HTMLVideoElementMediaSource.cpp', | 
| 'mediasource/HTMLVideoElementMediaSource.h', | 
| 'mediasource/MediaSource.cpp', | 
|  |