Migrate Pipeline & PipelineImpl to PipelineStatusCB.

media/filters/ffmpeg_demuxer.h

 // 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.
 
 // Implements the Demuxer interface using FFmpeg's libavformat.  At this time
 // will support demuxing any audio/video format thrown at it.  The streams
 // output mime types audio/x-ffmpeg and video/x-ffmpeg and include an integer
 // key FFmpegCodecID which contains the CodecID enumeration value.  The CodecIDs
 // can be used to create and initialize the corresponding FFmpeg decoder.
 //
@@ skipping 116 matching lines @@
 
 class FFmpegDemuxer : public Demuxer, public FFmpegURLProtocol {
  public:
   explicit FFmpegDemuxer(MessageLoop* message_loop);
   virtual ~FFmpegDemuxer();
 
   // Posts a task to perform additional demuxing.
   virtual void PostDemuxTask();
 
   void Initialize(
-      DataSource* data_source, PipelineStatusCallback* callback);
+      DataSource* data_source, const PipelineStatusCB& callback);
 
   // Filter implementation.
   virtual void Stop(FilterCallback* callback);
   virtual void Seek(base::TimeDelta time, const FilterStatusCB& cb);
   virtual void OnAudioRendererDisabled();
   virtual void set_host(FilterHost* filter_host);
   virtual void SetPlaybackRate(float playback_rate);
   virtual void SetPreload(Preload preload);
 
   // Demuxer implementation.
@@ skipping 13 matching lines @@
   // For testing purposes.
   void disable_first_seek_hack_for_testing() { first_seek_hack_ = false; }
 
  private:
   // Only allow a factory to create this class.
   friend class MockFFmpegDemuxer;
   FRIEND_TEST_ALL_PREFIXES(FFmpegDemuxerTest, ProtocolRead);
 
   // Carries out initialization on the demuxer thread.
   void InitializeTask(
-      DataSource* data_source, PipelineStatusCallback* callback);
+      DataSource* data_source, const PipelineStatusCB& callback);
 
   // Carries out a seek on the demuxer thread.
   void SeekTask(base::TimeDelta time, const FilterStatusCB& cb);
 
   // Carries out demuxing and satisfying stream reads on the demuxer thread.
   void DemuxTask();
 
   // Carries out stopping the demuxer streams on the demuxer thread.
   void StopTask(FilterCallback* callback);
 
@@ skipping 72 matching lines @@
   // starting clock value to match the timestamps in the media file. Default
   // is 0.
   base::TimeDelta start_time_;
 
   DISALLOW_COPY_AND_ASSIGN(FFmpegDemuxer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_FFMPEG_DEMUXER_H_