Revert of content/common: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/common/gpu/media/h264_decoder.h

 // Copyright (c) 2012 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_COMMON_GPU_MEDIA_H264_DECODER_H_
 #define CONTENT_COMMON_GPU_MEDIA_H264_DECODER_H_
 
 #include <vector>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop_proxy.h"
 #include "content/common/content_export.h"
 #include "content/common/gpu/media/accelerated_video_decoder.h"
 #include "content/common/gpu/media/h264_dpb.h"
 #include "media/base/limits.h"
 #include "media/filters/h264_parser.h"
 #include "ui/gfx/geometry/size.h"
 
 namespace content {
 
 // Clients of this class are expected to pass H264 Annex-B byte stream
@@ skipping 231 matching lines @@
   int last_output_poc_;
 
   H264Accelerator* accelerator_;
 
   DISALLOW_COPY_AND_ASSIGN(H264Decoder);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_GPU_MEDIA_H264_DECODER_H_