Use a direct include of the message_loop header in content/, part 4.

content/renderer/media/rtc_video_decoder_factory_tv.h

 // Copyright 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.
 
 #ifndef CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_
 #define CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
-#include "base/message_loop.h"
+#include "base/message_loop/message_loop.h"
 #include "content/common/content_export.h"
 #include "media/base/demuxer.h"
 #include "third_party/libjingle/source/talk/media/webrtc/webrtcvideodecoderfactory.h"
 #include "ui/gfx/size.h"
 
 namespace webrtc {
 class VideoDecoder;
 }
 
 namespace content {
@@ skipping 46 matching lines @@
   scoped_ptr<RTCDemuxerStream> stream_;
 
   bool is_acquired_;
 
   DISALLOW_COPY_AND_ASSIGN(RTCVideoDecoderFactoryTv);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MEDIA_RTC_VIDEO_DECODER_FACTORY_TV_H_