Plumb DemuxerStream::EnableBitstreamConverter through mojo pipeline.

media/mojo/services/mojo_demuxer_stream_impl.cc

Index: media/mojo/services/mojo_demuxer_stream_impl.cc
diff --git a/media/mojo/services/mojo_demuxer_stream_impl.cc b/media/mojo/services/mojo_demuxer_stream_impl.cc
index f7af94925f7a8999da12f68626d45f7ae7097040..b564cb677b80ffaba1db92b0f89211c387454c26 100644
--- a/media/mojo/services/mojo_demuxer_stream_impl.cc
+++ b/media/mojo/services/mojo_demuxer_stream_impl.cc
@@ -75,6 +75,10 @@ void MojoDemuxerStreamImpl::Read(const ReadCallback& callback)  {
                            weak_factory_.GetWeakPtr(), callback));
 }
 
+void MojoDemuxerStreamImpl::EnableBitstreamConverter() {
+  stream_->EnableBitstreamConverter();
+}
+
 void MojoDemuxerStreamImpl::OnBufferReady(
     const ReadCallback& callback,
     media::DemuxerStream::Status status,