Add GetUrl to DemuxerStreamProvider interface

media/filters/chunk_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/filters/chunk_demuxer.h"
 
 #include <algorithm>
 #include <limits>
 #include <list>
 #include <utility>
@@ skipping 441 matching lines @@
   base::AutoLock auto_lock(lock_);
   if (type == DemuxerStream::VIDEO)
     return video_.get();
 
   if (type == DemuxerStream::AUDIO)
     return audio_.get();
 
   return NULL;
 }
 
+GURL* ChunkDemuxer::GetUrl() {
+  // Should never return anything else than nullptr (see DemuxerStreamProvider).
+  return nullptr;
+}
+
 TimeDelta ChunkDemuxer::GetStartTime() const {
   return TimeDelta();
 }
 
 int64_t ChunkDemuxer::GetMemoryUsage() const {
   base::AutoLock auto_lock(lock_);
   return (audio_ ? audio_->GetBufferedSize() : 0) +
          (video_ ? video_->GetBufferedSize() : 0);
 }
 
@@ skipping 684 matching lines @@
 }
 
 void ChunkDemuxer::ShutdownAllStreams() {
   for (MediaSourceStateMap::iterator itr = source_state_map_.begin();
        itr != source_state_map_.end(); ++itr) {
     itr->second->Shutdown();
   }
 }
 
 }  // namespace media