Track buffered byte ranges correctly in media::Pipeline.

media/base/mock_demuxer_host.h

Index: media/base/mock_demuxer_host.h
diff --git a/media/base/mock_demuxer_host.h b/media/base/mock_demuxer_host.h
index 4c46fa9e567185faaadff5182c0faa301590df41..cdb550972ab8ad5b341125e6380b5ac82bb5ca78 100644
--- a/media/base/mock_demuxer_host.h
+++ b/media/base/mock_demuxer_host.h
@@ -19,13 +19,12 @@ class MockDemuxerHost : public DemuxerHost {
 
   // DataSourceHost implementation.
   MOCK_METHOD1(SetTotalBytes, void(int64 total_bytes));
-  MOCK_METHOD1(SetBufferedBytes, void(int64 buffered_bytes));
+  MOCK_METHOD2(AddBufferedByteRange, void(int64 start, int64 end));
   MOCK_METHOD1(SetNetworkActivity, void(bool network_activity));
 
   // DemuxerHost implementation.
   MOCK_METHOD1(OnDemuxerError, void(PipelineStatus error));
   MOCK_METHOD1(SetDuration, void(base::TimeDelta duration));
-  MOCK_METHOD1(SetCurrentReadPosition, void(int64 offset));
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MockDemuxerHost);