Remove reference counting from media::Demuxer 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_renderer.h"
 
 namespace media {
 
-FilterCollection::FilterCollection() {}
+FilterCollection::FilterCollection() : demuxer_(NULL) {}
 
 FilterCollection::~FilterCollection() {}
 
-void FilterCollection::SetDemuxer(const scoped_refptr<Demuxer>& demuxer) {
+void FilterCollection::SetDemuxer(Demuxer* demuxer) {
   demuxer_ = demuxer;
 }
 
-const scoped_refptr<Demuxer>& FilterCollection::GetDemuxer() {
+Demuxer* FilterCollection::GetDemuxer() {
   return demuxer_;
 }
 
 void FilterCollection::SetAudioRenderer(
     scoped_ptr<AudioRenderer> audio_renderer) {
   audio_renderer_ = audio_renderer.Pass();
 }
 
 scoped_ptr<AudioRenderer> FilterCollection::GetAudioRenderer() {
   return audio_renderer_.Pass();
 }
 
 void FilterCollection::SetVideoRenderer(
     scoped_ptr<VideoRenderer> video_renderer) {
   video_renderer_ = video_renderer.Pass();
 }
 
 scoped_ptr<VideoRenderer> FilterCollection::GetVideoRenderer() {
   return video_renderer_.Pass();
 }
 
 }  // namespace media