Remove reference counting from media::Demuxer and friends.

media/base/video_decoder.h

 // 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.
 
 #ifndef MEDIA_BASE_VIDEO_DECODER_H_
 #define MEDIA_BASE_VIDEO_DECODER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "media/base/pipeline_status.h"
@@ skipping 16 matching lines @@
 
   VideoDecoder();
   virtual ~VideoDecoder();
 
   // Initializes a VideoDecoder with the given DemuxerStream, executing the
   // |status_cb| upon completion.
   // |statistics_cb| is used to update the global pipeline statistics.
   // Note:
   // 1) No VideoDecoder calls should be made before |status_cb| is executed.
   // 2) DemuxerStream should not be accessed after the VideoDecoder is stopped.
-  virtual void Initialize(const scoped_refptr<DemuxerStream>& stream,
+  virtual void Initialize(DemuxerStream* stream,
                           const PipelineStatusCB& status_cb,
                           const StatisticsCB& statistics_cb) = 0;
 
   // Requests a frame to be decoded. The status of the decoder and decoded frame
   // are returned via the provided callback. Only one read may be in flight at
   // any given time.
   //
   // Implementations guarantee that the callback will not be called from within
   // this method.
   //
@@ skipping 31 matching lines @@
   // use a fixed set of VideoFrames for decoding.
   virtual bool HasOutputFrameAvailable() const;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoDecoder);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_DECODER_H_