Reland: Remove reference counting from media::VideoDecoder and friends.

media/base/filter_collection.cc

 // 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.
 
 #include "media/base/filter_collection.h"
 
 #include "base/logging.h"
 #include "media/base/audio_renderer.h"
 #include "media/base/demuxer.h"
-#include "media/base/video_decoder.h"
 #include "media/base/video_renderer.h"
 
 namespace media {
 
 FilterCollection::FilterCollection() {}
 
 FilterCollection::~FilterCollection() {}
 
 void FilterCollection::SetDemuxer(const scoped_refptr<Demuxer>& demuxer) {
   demuxer_ = demuxer;
@@ skipping 14 matching lines @@
 
 void FilterCollection::SetVideoRenderer(
     scoped_ptr<VideoRenderer> video_renderer) {
   video_renderer_ = video_renderer.Pass();
 }
 
 scoped_ptr<VideoRenderer> FilterCollection::GetVideoRenderer() {
   return video_renderer_.Pass();
 }
 
-FilterCollection::VideoDecoderList* FilterCollection::GetVideoDecoders() {
-  return &video_decoders_;
-}
-
 }  // namespace media