Remove reference counting from media::Demuxer and friends.

media/filters/video_renderer_base.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_FILTERS_VIDEO_RENDERER_BASE_H_
 #define MEDIA_FILTERS_VIDEO_RENDERER_BASE_H_
 
 #include <deque>
 
 #include "base/memory/ref_counted.h"
@@ skipping 48 matching lines @@
   // Setting |drop_frames_| to true causes the renderer to drop expired frames.
   VideoRendererBase(const scoped_refptr<base::MessageLoopProxy>& message_loop,
                     ScopedVector<VideoDecoder> decoders,
                     const SetDecryptorReadyCB& set_decryptor_ready_cb,
                     const PaintCB& paint_cb,
                     const SetOpaqueCB& set_opaque_cb,
                     bool drop_frames);
   virtual ~VideoRendererBase();
 
   // VideoRenderer implementation.
-  virtual void Initialize(const scoped_refptr<DemuxerStream>& stream,
+  virtual void Initialize(DemuxerStream* stream,
                           const PipelineStatusCB& init_cb,
                           const StatisticsCB& statistics_cb,
                           const TimeCB& max_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) OVERRIDE;
   virtual void Play(const base::Closure& callback) OVERRIDE;
   virtual void Pause(const base::Closure& callback) OVERRIDE;
@@ skipping 60 matching lines @@
   scoped_refptr<base::MessageLoopProxy> message_loop_;
   base::WeakPtrFactory<VideoRendererBase> weak_factory_;
   base::WeakPtr<VideoRendererBase> weak_this_;
 
   scoped_ptr<VideoDecoderSelector> decoder_selector_;
 
   // Used for accessing data members.
   base::Lock lock_;
 
   // Provides video frames to VideoRendererBase.
-  scoped_refptr<VideoFrameStream> video_frame_stream_;
+  VideoFrameStream video_frame_stream_;
 
   // Queue of incoming frames yet to be painted.
   typedef std::deque<scoped_refptr<VideoFrame> > VideoFrameQueue;
   VideoFrameQueue ready_frames_;
 
   // Keeps track of whether we received the end of stream buffer.
   bool received_end_of_stream_;
 
   // Used to signal |thread_| as frames are added to |frames_|.  Rule of thumb:
   // always check |state_| to see if it was set to STOPPED after waking up!
@@ skipping 86 matching lines @@
   // either for calling |paint_cb_| or for dropping. Set to kNoTimestamp()
   // during flushing.
   base::TimeDelta last_timestamp_;
 
   DISALLOW_COPY_AND_ASSIGN(VideoRendererBase);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_VIDEO_RENDERER_BASE_H_