Add GetUrl to DemuxerStreamProvider interface

media/mojo/services/demuxer_stream_provider_shim.cc

 // Copyright 2014 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/mojo/services/demuxer_stream_provider_shim.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 30 matching lines @@
 DemuxerStream* DemuxerStreamProviderShim::GetStream(DemuxerStream::Type type) {
   DCHECK(demuxer_ready_cb_.is_null());
   for (auto* stream : streams_) {
     if (stream->type() == type)
       return stream;
   }
 
   return nullptr;
 }
 
+GURL* DemuxerStreamProviderShim::GetUrl() {
+  return nullptr;
+}
+
 void DemuxerStreamProviderShim::OnStreamReady() {
   if (++streams_ready_ == streams_.size())
     base::ResetAndReturn(&demuxer_ready_cb_).Run();
 }
 
 }  // namespace media