Emit Media Source stream type and codecs to chrome://media-internals.

content/renderer/media/webmediaplayer_impl.cc

Index: content/renderer/media/webmediaplayer_impl.cc
diff --git a/content/renderer/media/webmediaplayer_impl.cc b/content/renderer/media/webmediaplayer_impl.cc
index 85561a487c52ca56d5552da064a6b22a915efd41..afb99d39ac260dd4abd41b8ce29590f659222ccf 100644
--- a/content/renderer/media/webmediaplayer_impl.cc
+++ b/content/renderer/media/webmediaplayer_impl.cc
@@ -1101,7 +1101,7 @@ void WebMediaPlayerImpl::StartPipeline() {
     chunk_demuxer_ = new media::ChunkDemuxer(
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened),
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnNeedKey),
-        add_text_track_cb,
+        add_text_track_cb, media_log_,
         base::Bind(&LogMediaSourceError, media_log_));
     demuxer_.reset(chunk_demuxer_);