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

media/formats/mp2t/mp2t_stream_parser.cc

Index: media/formats/mp2t/mp2t_stream_parser.cc
diff --git a/media/formats/mp2t/mp2t_stream_parser.cc b/media/formats/mp2t/mp2t_stream_parser.cc
index e7a5f890f7e5d2e4c5235126cc20f9677f337831..020a0ee270acdef45d4fa4aee79e23eaf8e2bb1d 100644
--- a/media/formats/mp2t/mp2t_stream_parser.cc
+++ b/media/formats/mp2t/mp2t_stream_parser.cc
@@ -168,7 +168,7 @@ void Mp2tStreamParser::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) {
   DCHECK(!is_initialized_);
@@ -183,7 +183,7 @@ void Mp2tStreamParser::Init(
   config_cb_ = config_cb;
   new_buffers_cb_ = new_buffers_cb;
   encrypted_media_init_data_cb_ = encrypted_media_init_data_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;
 }
@@ -592,7 +592,7 @@ bool Mp2tStreamParser::EmitRemainingBuffers() {
     if (!segment_started_) {
       DVLOG(1) << "Starting a new segment";
       segment_started_ = true;
-      new_segment_cb_.Run();
+      start_of_segment_cb_.Run();
     }
 
     // Update the audio and video config if needed.