Remove reference counting from media::DemuxerStream and friends.

media/base/video_renderer.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_RENDERER_H_
 #define MEDIA_BASE_VIDEO_RENDERER_H_
 
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
@@ skipping 35 matching lines @@
   // |size_changed_cb| is executed whenever the dimensions of the video has
   // changed.
   //
   // |ended_cb| is executed when video rendering has reached the end of stream.
   //
   // |error_cb| is executed if an error was encountered.
   //
   // |get_time_cb| is used to query the current media playback time.
   //
   // |get_duration_cb| is used to query the media duration.
-  virtual void Initialize(const scoped_refptr<DemuxerStream>& stream,
+  virtual void Initialize(DemuxerStream* stream,
                           const PipelineStatusCB& init_cb,
                           const StatisticsCB& statistics_cb,
                           const TimeCB& time_cb,
                           const NaturalSizeChangedCB& size_changed_cb,
                           const base::Closure& ended_cb,
                           const PipelineStatusCB& error_cb,
                           const TimeDeltaCB& get_time_cb,
                           const TimeDeltaCB& get_duration_cb) = 0;
 
   // Start audio decoding and rendering at the current playback rate, executing
@@ skipping 21 matching lines @@
   // Updates the current playback rate.
   virtual void SetPlaybackRate(float playback_rate) = 0;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(VideoRenderer);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_VIDEO_RENDERER_H_