Remove MessageLoop methods from Filter interface

media/filters/ffmpeg_video_decoder.cc

 // Copyright (c) 2010 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 "media/filters/ffmpeg_video_decoder.h"
 
 #include <deque>
 
 #include "base/task.h"
 #include "media/base/callback.h"
 #include "media/base/filters.h"
 #include "media/base/filter_host.h"
 #include "media/base/limits.h"
 #include "media/base/media_format.h"
 #include "media/base/video_frame.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 #include "media/ffmpeg/ffmpeg_util.h"
 #include "media/filters/ffmpeg_interfaces.h"
 #include "media/video/ffmpeg_video_decode_engine.h"
 #include "media/video/video_decode_context.h"
 
 namespace media {
 
-FFmpegVideoDecoder::FFmpegVideoDecoder(VideoDecodeContext* decode_context)
-    : width_(0),
+FFmpegVideoDecoder::FFmpegVideoDecoder(MessageLoop* message_loop,
+                                       VideoDecodeContext* decode_context)
+    : message_loop_(message_loop),
+      width_(0),
       height_(0),
       time_base_(new AVRational()),
       state_(kUnInitialized),
       decode_engine_(new FFmpegVideoDecodeEngine()),
       decode_context_(decode_context) {
   memset(&info_, 0, sizeof(info_));
 }
 
 FFmpegVideoDecoder::~FFmpegVideoDecoder() {
 }
@@ skipping 403 matching lines @@
     else
       VideoFrameReady(video_frame);
   }
 }
 
 void FFmpegVideoDecoder::SetVideoDecodeEngineForTest(
     VideoDecodeEngine* engine) {
   decode_engine_.reset(engine);
 }
 
+MessageLoop* FFmpegVideoDecoder::message_loop() {
+  return message_loop_;
+}
+
 }  // namespace media