Don't clear the list of source buffers in ChunkDemuxer::Shutdown()

media/filters/chunk_demuxer.cc

Index: media/filters/chunk_demuxer.cc
diff --git a/media/filters/chunk_demuxer.cc b/media/filters/chunk_demuxer.cc
index e28a2d313062f98d03e01817df9ba54d39e2db9c..c548467504824a96e2c63e3fa6353511255c1f2e 100644
--- a/media/filters/chunk_demuxer.cc
+++ b/media/filters/chunk_demuxer.cc
@@ -655,7 +655,7 @@ ChunkDemuxer::Status ChunkDemuxer::AddId(const std::string& id,
   CHECK(stream_parser.get());
 
   stream_parser->Init(
-      base::Bind(&ChunkDemuxer::OnStreamParserInitDone, this),
+      base::Bind(&ChunkDemuxer::OnStreamParserInitDone, base::Unretained(this)),
       base::Bind(&ChunkDemuxer::OnNewConfigs, base::Unretained(this),
                  has_audio, has_video),
       audio_cb,
@@ -857,12 +857,6 @@ void ChunkDemuxer::Shutdown() {
     if (video_)
       video_->Shutdown();
 
-    for (StreamParserMap::iterator it = stream_parser_map_.begin();
-         it != stream_parser_map_.end(); ++it) {
-      delete it->second;
-    }
-    stream_parser_map_.clear();
-
     ChangeState_Locked(SHUTDOWN);
   }