MockReadCB        572 media/filters/ffmpeg_demuxer_unittest.cc   DISALLOW_COPY_AND_ASSIGN(MockReadCB);
MockReadCB        590 media/filters/ffmpeg_demuxer_unittest.cc   StrictMock<MockReadCB> callback;
MockReadCB        594 media/filters/ffmpeg_demuxer_unittest.cc   audio->Read(base::Bind(&MockReadCB::Run, base::Unretained(&callback)));