Use a direct include of utf_string_conversions.h in content/.

content/renderer/media/remote_media_stream_impl.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/remote_media_stream_impl.h"
 
 #include <string>
 
 #include "base/logging.h"
-#include "base/utf_string_conversions.h"
+#include "base/strings/utf_string_conversions.h"
 #include "content/renderer/media/media_stream_extra_data.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 
 namespace content {
 
 // RemoteMediaStreamTrackObserver is responsible for listening on change
 // notification on a remote webrtc MediaStreamTrack and notify WebKit.
 class RemoteMediaStreamTrackObserver
     : NON_EXPORTED_BASE(public webrtc::ObserverInterface),
       NON_EXPORTED_BASE(public base::NonThreadSafe) {
@@ skipping 187 matching lines @@
       InitializeWebkitTrack(*it, &new_track,
                             WebKit::WebMediaStreamSource::TypeVideo);
       video_track_observers_.push_back(
           new RemoteMediaStreamTrackObserver(*it, new_track));
       webkit_stream_.addTrack(new_track);
     }
   }
 }
 
 }  // namespace content