| Index: Source/modules/modules.gypi | 
| diff --git a/Source/modules/modules.gypi b/Source/modules/modules.gypi | 
| index ef5879580baeb7caa6f97b9b30bbf79b44c934a9..23a07c22bd8f517ed785d141e854c4968269edd3 100644 | 
| --- a/Source/modules/modules.gypi | 
| +++ b/Source/modules/modules.gypi | 
| @@ -88,6 +88,7 @@ | 
| 'mediasource/SourceBuffer.idl', | 
| 'mediasource/SourceBufferList.idl', | 
| 'mediasource/TrackDefault.idl', | 
| +      'mediasource/TrackDefaultList.idl', | 
| 'mediasource/VideoPlaybackQuality.idl', | 
| 'mediastream/MediaDeviceInfo.idl', | 
| 'mediastream/MediaDeviceInfoCallback.idl', | 
| @@ -599,6 +600,8 @@ | 
| 'mediasource/SourceBufferList.h', | 
| 'mediasource/TrackDefault.cpp', | 
| 'mediasource/TrackDefault.h', | 
| +      'mediasource/TrackDefaultList.cpp', | 
| +      'mediasource/TrackDefaultList.h', | 
| 'mediasource/URLMediaSource.cpp', | 
| 'mediasource/URLMediaSource.h', | 
| 'mediasource/VideoPlaybackQuality.cpp', | 
|  |