Add GetUrl to DemuxerStreamProvider interface

media/base/fake_demuxer_stream.cc

 // Copyright (c) 2013 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/fake_demuxer_stream.h"
 
 #include <stdint.h>
 
 #include <vector>
 
@@ skipping 205 matching lines @@
 
 FakeDemuxerStreamProvider::~FakeDemuxerStreamProvider() {
 }
 
 DemuxerStream* FakeDemuxerStreamProvider::GetStream(DemuxerStream::Type type) {
   if (type == DemuxerStream::Type::AUDIO)
     return nullptr;
   return &fake_video_stream_;
 };
 
+GURL* FakeDemuxerStreamProvider::GetUrl() {
+  return nullptr;
+};
+
 }  // namespace media