Add GetUrl to DemuxerStreamProvider interface

media/filters/ffmpeg_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/ffmpeg_demuxer.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 
@@ skipping 916 matching lines @@
 
 base::Time FFmpegDemuxer::GetTimelineOffset() const {
   return timeline_offset_;
 }
 
 DemuxerStream* FFmpegDemuxer::GetStream(DemuxerStream::Type type) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   return GetFFmpegStream(type);
 }
 
+GURL* FFmpegDemuxer::GetUrl() {
+  // Should never return anything else than nullptr (see DemuxerStreamProvider).
+  return nullptr;
+}
+
 FFmpegDemuxerStream* FFmpegDemuxer::GetFFmpegStream(
     DemuxerStream::Type type) const {
   StreamVector::const_iterator iter;
   for (iter = streams_.begin(); iter != streams_.end(); ++iter) {
     if (*iter && (*iter)->type() == type) {
       return *iter;
     }
   }
   return NULL;
 }
@@ skipping 657 matching lines @@
 
 void FFmpegDemuxer::SetLiveness(DemuxerStream::Liveness liveness) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   for (const auto& stream : streams_) {  // |stream| is a ref to a pointer.
     if (stream)
       stream->SetLiveness(liveness);
   }
 }
 
 }  // namespace media