Miscellaneous header file cleanup for src/media.

media/filters/ffmpeg_audio_decoder.cc

 // Copyright (c) 2011 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_audio_decoder.h"
 
 #include "base/bind.h"
+#include "media/base/audio_decoder_config.h"
 #include "media/base/data_buffer.h"
 #include "media/base/demuxer.h"
 #include "media/base/filter_host.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 
 namespace media {
 
 // Returns true if the decode result was an error.
 static bool IsErrorResult(int result, int decoded_size) {
   return result < 0 ||
@@ skipping 264 matching lines @@
 
 base::TimeDelta FFmpegAudioDecoder::CalculateDuration(int size) {
   int64 denominator = ChannelLayoutToChannelCount(channel_layout_) *
       bits_per_channel_ / 8 * samples_per_second_;
   double microseconds = size /
       (denominator / static_cast<double>(base::Time::kMicrosecondsPerSecond));
   return base::TimeDelta::FromMicroseconds(static_cast<int64>(microseconds));
 }
 
 }  // namespace media