MSE: Log a warning if muxed AV media segment has no A or has no V block

media/formats/mp4/mp4_stream_parser.h

Index: media/formats/mp4/mp4_stream_parser.h
diff --git a/media/formats/mp4/mp4_stream_parser.h b/media/formats/mp4/mp4_stream_parser.h
index 169d333138993f191d4a8565e9c0e3d61660ad0a..9a4c7f03b7049e8b2a7325268f58d9e3ba04a1e5 100644
--- a/media/formats/mp4/mp4_stream_parser.h
+++ b/media/formats/mp4/mp4_stream_parser.h
@@ -36,7 +36,7 @@ class MEDIA_EXPORT MP4StreamParser : public StreamParser {
             bool ignore_text_tracks,
             const EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
             const NewMediaSegmentCB& new_segment_cb,
-            const base::Closure& end_of_segment_cb,
+            const EndMediaSegmentCB& end_of_segment_cb,
             const scoped_refptr<MediaLog>& media_log) override;
   void Flush() override;
   bool Parse(const uint8_t* buf, int size) override;
@@ -96,7 +96,7 @@ class MEDIA_EXPORT MP4StreamParser : public StreamParser {
   NewBuffersCB new_buffers_cb_;
   EncryptedMediaInitDataCB encrypted_media_init_data_cb_;
   NewMediaSegmentCB new_segment_cb_;
-  base::Closure end_of_segment_cb_;
+  EndMediaSegmentCB end_of_segment_cb_;
   scoped_refptr<MediaLog> media_log_;
 
   OffsetByteQueue queue_;