Move VideoRenderer out of Filter heirarchy.

media/base/filter_collection.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_FILTER_COLLECTION_H_
 #define MEDIA_BASE_FILTER_COLLECTION_H_
 
 #include <list>
 
 #include "base/memory/ref_counted.h"
 #include "media/base/media_export.h"
 
 namespace media {
 
 class AudioDecoder;
 class AudioRenderer;
 class Demuxer;
 class VideoDecoder;
 class VideoRenderer;
 
-// This is a collection of Filter objects used to form a media playback
-// pipeline. See src/media/base/pipeline.h for more information.
+// Represents a set of uninitialized demuxer and audio/video decoders and
+// renderers. Used to start a Pipeline object for media playback.
+//
+// TODO(scherkus): Replace FilterCollection with something sensible, see
+// http://crbug.com/110800
 class MEDIA_EXPORT FilterCollection {
  public:
   FilterCollection();
   ~FilterCollection();
 
   // Demuxer accessor methods.
   void SetDemuxer(const scoped_refptr<Demuxer>& demuxer);
   const scoped_refptr<Demuxer>& GetDemuxer();
 
   // Adds a filter to the collection.
@@ skipping 23 matching lines @@
   std::list<scoped_refptr<VideoDecoder> > video_decoders_;
   std::list<scoped_refptr<AudioRenderer> > audio_renderers_;
   std::list<scoped_refptr<VideoRenderer> > video_renderers_;
 
   DISALLOW_COPY_AND_ASSIGN(FilterCollection);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_FILTER_COLLECTION_H_