MSE: Relax the 'media segment must begin with keyframe' requirement

media/formats/mpeg/mpeg_audio_stream_parser_base.cc

Index: media/formats/mpeg/mpeg_audio_stream_parser_base.cc
diff --git a/media/formats/mpeg/mpeg_audio_stream_parser_base.cc b/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
index 231fea45a78f997bcb389f42198a2cb6646a7c3c..485364c0e0fd1b70f43952a60546ca712b20f6e8 100644
--- a/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
+++ b/media/formats/mpeg/mpeg_audio_stream_parser_base.cc
@@ -60,7 +60,7 @@ void MPEGAudioStreamParserBase::Init(
     const NewBuffersCB& new_buffers_cb,
     bool ignore_text_tracks,
     const EncryptedMediaInitDataCB& encrypted_media_init_data_cb,
-    const NewMediaSegmentCB& new_segment_cb,
+    const base::Closure& start_of_segment_cb,
     const base::Closure& end_of_segment_cb,
     const scoped_refptr<MediaLog>& media_log) {
   DVLOG(1) << __FUNCTION__;
@@ -68,7 +68,7 @@ void MPEGAudioStreamParserBase::Init(
   init_cb_ = init_cb;
   config_cb_ = config_cb;
   new_buffers_cb_ = new_buffers_cb;
-  new_segment_cb_ = new_segment_cb;
+  start_of_segment_cb_ = start_of_segment_cb;
   end_of_segment_cb_ = end_of_segment_cb;
   media_log_ = media_log;
 
@@ -398,7 +398,7 @@ bool MPEGAudioStreamParserBase::SendBuffers(BufferQueue* buffers,
 
   if (!in_media_segment_) {
     in_media_segment_ = true;
-    new_segment_cb_.Run();
+    start_of_segment_cb_.Run();
   }
 
   BufferQueue empty_video_buffers;