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

media/formats/mp4/mp4_stream_parser.cc

Index: media/formats/mp4/mp4_stream_parser.cc
diff --git a/media/formats/mp4/mp4_stream_parser.cc b/media/formats/mp4/mp4_stream_parser.cc
index a850444f47d8f1d8924d49d5dfe3d29031195b9c..2c8d6d7e7033a577415e43b66bb51f6bd20a1b19 100644
--- a/media/formats/mp4/mp4_stream_parser.cc
+++ b/media/formats/mp4/mp4_stream_parser.cc
@@ -54,7 +54,7 @@ void MP4StreamParser::Init(
     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) {
   DCHECK_EQ(state_, kWaitingForInit);
   DCHECK(init_cb_.is_null());