Switch to standard integer types in media/, take 2.

media/cdm/ppapi/external_clear_key/ffmpeg_cdm_audio_decoder.cc

 // 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.
 
 #include "media/cdm/ppapi/external_clear_key/ffmpeg_cdm_audio_decoder.h"
 
+#include <stddef.h>
+
 #include <algorithm>
 
 #include "base/logging.h"
 #include "media/base/audio_bus.h"
 #include "media/base/audio_timestamp_helper.h"
 #include "media/base/data_buffer.h"
 #include "media/base/limits.h"
 #include "media/base/timestamp_constants.h"
 #include "media/ffmpeg/ffmpeg_common.h"
 
@@ skipping 403 matching lines @@
   av_frame_.reset();
 }
 
 void FFmpegCdmAudioDecoder::SerializeInt64(int64_t value) {
   const size_t previous_size = serialized_audio_frames_.size();
   serialized_audio_frames_.resize(previous_size + sizeof(value));
   memcpy(&serialized_audio_frames_[0] + previous_size, &value, sizeof(value));
 }
 
 }  // namespace media