Update content/ to use scoped_refptr<T>::get() rather than implicit "operator T*"

content/renderer/media/video_destination_handler.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 "content/renderer/media/video_destination_handler.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "content/renderer/media/media_stream_dependency_factory.h"
@@ skipping 172 matching lines @@
   std::string track_id = talk_base::ToString(talk_base::CreateRandomId64());
   PpFrameWriter* writer = new PpFrameWriter();
   if (!factory->AddNativeVideoMediaTrack(track_id, &stream, writer)) {
     delete writer;
     return false;
   }
 
   // Gets a handler to the native video track, which owns the |writer|.
   MediaStreamExtraData* extra_data =
       static_cast<MediaStreamExtraData*>(stream.extraData());
-  webrtc::MediaStreamInterface* native_stream = extra_data->stream();
+  webrtc::MediaStreamInterface* native_stream = extra_data->stream().get();
   DCHECK(native_stream);
   VideoTrackVector video_tracks = native_stream->GetVideoTracks();
   // Currently one supports one video track per media stream.
   DCHECK(video_tracks.size() == 1);
 
   *frame_writer = new PpFrameWriterProxy(video_tracks[0].get(), writer);
   return true;
 }
 
 }  // namespace content