Implemented HEVC video demuxing and parsing

media/filters/ffmpeg_demuxer_unittest.cc

Index: media/filters/ffmpeg_demuxer_unittest.cc
diff --git a/media/filters/ffmpeg_demuxer_unittest.cc b/media/filters/ffmpeg_demuxer_unittest.cc
index b32718c0a3c35feb4e5098f7fe22f83ef061646c..4fd4867b393bac40cff842e3ce3026193ea88b3b 100644
--- a/media/filters/ffmpeg_demuxer_unittest.cc
+++ b/media/filters/ffmpeg_demuxer_unittest.cc
@@ -975,4 +975,20 @@ TEST_F(FFmpegDemuxerTest, Rotate_Metadata_270) {
 
 #endif
 
+#if defined(USE_PROPRIETARY_CODECS) && defined(ENABLE_HEVC_DEMUXING)
+TEST_F(FFmpegDemuxerTest, HEVC_in_MP4_container) {
+  CreateDemuxer("bear-hevc-frag.mp4");
+  InitializeDemuxer();
+
+  DemuxerStream* video = demuxer_->GetStream(DemuxerStream::VIDEO);
+  ASSERT_TRUE(video);
+
+  video->Read(NewReadCB(FROM_HERE, 3569, 66733, true));
+  message_loop_.Run();
+
+  video->Read(NewReadCB(FROM_HERE, 1042, 200200, false));
+  message_loop_.Run();
+}
+#endif
+
 }  // namespace media