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

content/renderer/media/video_source_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_source_handler.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "content/renderer/media/media_stream_dependency_factory.h"
@@ skipping 104 matching lines @@
     return source;
   }
 
   // Get the first video track from the stream.
   MediaStreamExtraData* extra_data =
       static_cast<MediaStreamExtraData*>(stream.extraData());
   if (!extra_data) {
     LOG(ERROR) << "GetFirstVideoSource - MediaStreamExtraData is NULL.";
     return source;
   }
-  webrtc::MediaStreamInterface* native_stream = extra_data->stream();
+  webrtc::MediaStreamInterface* native_stream = extra_data->stream().get();
   if (!native_stream) {
     LOG(ERROR) << "GetFirstVideoSource - native stream is NULL.";
     return source;
   }
   webrtc::VideoTrackVector native_video_tracks =
       native_stream->GetVideoTracks();
   if (native_video_tracks.empty()) {
     LOG(ERROR) << "GetFirstVideoSource - stream has no video track.";
     return source;
   }
   source = native_video_tracks[0]->GetSource();
   return source;
 }
 
 VideoRenderer* VideoSourceHandler::GetReceiver(
     FrameReaderInterface* reader) {
   std::map<FrameReaderInterface*, VideoRenderer*>::iterator it;
   it = reader_to_receiver_.find(reader);
   if (it == reader_to_receiver_.end()) {
     return NULL;
   }
   return it->second;
 }
 
 }  // namespace content