Refactor some code that depends on FFmpeg

media/filters/ffmpeg_video_decoder.cc

-// Copyright (c) 2009 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.
+// 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 "media/base/media_format.h"
-#include "media/filters/ffmpeg_common.h"  // For kFFmpegVideo.
+#include "media/ffmpeg/ffmpeg_common.h"  // For kFFmpegVideo.
 #include "media/filters/ffmpeg_video_decode_engine.h"
 
 namespace media {
 
 FFmpegVideoDecoder::FFmpegVideoDecoder(FFmpegVideoDecodeEngine* engine)
     : VideoDecoderImpl(engine) {
 }
 
 FFmpegVideoDecoder::~FFmpegVideoDecoder() {
 }
 
 // static
 FilterFactory* FFmpegVideoDecoder::CreateFactory() {
   return new FilterFactoryImpl1<FFmpegVideoDecoder, FFmpegVideoDecodeEngine*>(
       new FFmpegVideoDecodeEngine());
 }
 
 // static
 bool FFmpegVideoDecoder::IsMediaFormatSupported(const MediaFormat& format) {
   std::string mime_type;
   return format.GetAsString(MediaFormat::kMimeType, &mime_type) &&
       mime_type::kFFmpegVideo == mime_type;
 }
 
 }  // namespace media