Render inband text tracks in the media pipeline

media/base/demuxer.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "media/base/demuxer.h"
 
 #include "base/logging.h"
 
 namespace media {
 
@@ skipping 10 matching lines @@
   status_cb.Run(PIPELINE_OK);
 }
 
 void Demuxer::Stop(const base::Closure& callback) {
   DCHECK(!callback.is_null());
   callback.Run();
 }
 
 void Demuxer::OnAudioRendererDisabled() {}
 
+int Demuxer::GetStreamCount() const {
+  return 0;
+}
+
+DemuxerStream* Demuxer::GetStreamByIndex(int index) {
+  return NULL;
+}
+
 }  // namespace media