Revert 194993 "Remove reference counting from media::VideoDecode..."

trunk/src/media/base/video_renderer.h

Index: trunk/src/media/base/video_renderer.h
===================================================================
--- trunk/src/media/base/video_renderer.h	(revision 195011)
+++ trunk/src/media/base/video_renderer.h	(working copy)
@@ -5,6 +5,8 @@
 #ifndef MEDIA_BASE_VIDEO_RENDERER_H_
 #define MEDIA_BASE_VIDEO_RENDERER_H_
 
+#include <list>
+
 #include "base/callback.h"
 #include "base/memory/ref_counted.h"
 #include "base/time.h"
@@ -22,6 +24,8 @@
 
 class MEDIA_EXPORT VideoRenderer {
  public:
+  typedef std::list<scoped_refptr<VideoDecoder> > VideoDecoderList;
+
   // Used to update the pipeline's clock time. The parameter is the time that
   // the clock should not exceed.
   typedef base::Callback<void(base::TimeDelta)> TimeCB;
@@ -35,8 +39,8 @@
   VideoRenderer();
   virtual ~VideoRenderer();
 
-  // Initialize a VideoRenderer with |stream|, executing |init_cb| upon
-  // completion.
+  // Initialize a VideoRenderer with the given DemuxerStream and
+  // VideoDecoderList, executing |init_cb| callback upon completion.
   //
   // |statistics_cb| is executed periodically with video rendering stats, such
   // as dropped frames.
@@ -54,6 +58,7 @@
   //
   // |get_duration_cb| is used to query the media duration.
   virtual void Initialize(const scoped_refptr<DemuxerStream>& stream,
+                          const VideoDecoderList& decoders,
                           const PipelineStatusCB& init_cb,
                           const StatisticsCB& statistics_cb,
                           const TimeCB& time_cb,