| Index: media/base/mock_filters.h
 | 
| diff --git a/media/base/mock_filters.h b/media/base/mock_filters.h
 | 
| index 78d18a5924847bf7188a7b91597fd4a749d401ae..51837260eb28415338e7f5035b534dd1ec231762 100644
 | 
| --- a/media/base/mock_filters.h
 | 
| +++ b/media/base/mock_filters.h
 | 
| @@ -19,6 +19,7 @@
 | 
|  #include "media/base/decoder_buffer.h"
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|  #include "media/base/decryptor.h"
 | 
|  #include "media/base/demuxer.h"
 | 
| +#include "media/base/media_track.h"
 | 
|  #include "media/base/pipeline.h"
 | 
|  #include "media/base/pipeline_status.h"
 | 
|  #include "media/base/renderer.h"
 | 
| @@ -122,6 +123,8 @@ class MockDemuxer : public Demuxer {
 | 
|    MOCK_CONST_METHOD0(GetStartTime, base::TimeDelta());
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|    MOCK_CONST_METHOD0(GetTimelineOffset, base::Time());
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|    MOCK_CONST_METHOD0(GetMemoryUsage, int64_t());
 | 
| +  MOCK_CONST_METHOD1(GetDemuxerStreamByTrackId,
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| +                     const DemuxerStream*(MediaTrack::TrackId));
 | 
|  
 | 
|   private:
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|    DISALLOW_COPY_AND_ASSIGN(MockDemuxer);
 | 
| 
 |