WeakPtr destruction order cleanup: media edition.

media/filters/ffmpeg_audio_decoder.cc

 // 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.
 
 #include "media/filters/ffmpeg_audio_decoder.h"
 
 #include "base/bind.h"
 #include "base/callback_helpers.h"
 #include "base/location.h"
 #include "base/single_thread_task_runner.h"
@@ skipping 54 matching lines @@
 // Called by FFmpeg's allocation routine to free a buffer. |opaque| is the
 // AudioBuffer allocated, so unref it.
 static void ReleaseAudioBufferImpl(void* opaque, uint8* data) {
   scoped_refptr<AudioBuffer> buffer;
   buffer.swap(reinterpret_cast<AudioBuffer**>(&opaque));
 }
 
 FFmpegAudioDecoder::FFmpegAudioDecoder(
     const scoped_refptr<base::SingleThreadTaskRunner>& task_runner)
     : task_runner_(task_runner),
-      weak_factory_(this),
       demuxer_stream_(NULL),
       bytes_per_channel_(0),
       channel_layout_(CHANNEL_LAYOUT_NONE),
       channels_(0),
       samples_per_second_(0),
       av_sample_format_(0),
       last_input_timestamp_(kNoTimestamp()),
-      output_frames_to_drop_(0) {
-}
+      output_frames_to_drop_(0),
+      weak_factory_(this) {}
 
 void FFmpegAudioDecoder::Initialize(
     DemuxerStream* stream,
     const PipelineStatusCB& status_cb,
     const StatisticsCB& statistics_cb) {
   DCHECK(task_runner_->BelongsToCurrentThread());
   PipelineStatusCB initialize_cb = BindToCurrentLoop(status_cb);
 
   FFmpegGlue::InitializeFFmpeg();
 
@@ skipping 496 matching lines @@
     // Decoding finished successfully, update statistics.
     if (result > 0) {
       PipelineStatistics statistics;
       statistics.audio_bytes_decoded = result;
       statistics_cb_.Run(statistics);
     }
   } while (packet.size > 0);
 }
 
 }  // namespace media