Remove reference counting from media::DemuxerStream and friends.

media/base/pipeline.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/pipeline.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 913 matching lines @@
       base::Bind(&Pipeline::OnAudioUnderflow, this),
       base::Bind(&Pipeline::OnAudioTimeUpdate, this),
       base::Bind(&Pipeline::OnAudioRendererEnded, this),
       base::Bind(&Pipeline::OnAudioDisabled, this),
       base::Bind(&Pipeline::SetError, this));
 }
 
 void Pipeline::InitializeVideoRenderer(const PipelineStatusCB& done_cb) {
   DCHECK(message_loop_->BelongsToCurrentThread());
 
-  scoped_refptr<DemuxerStream> stream =
-      demuxer_->GetStream(DemuxerStream::VIDEO);
+  DemuxerStream* stream = demuxer_->GetStream(DemuxerStream::VIDEO);
 
   {
     // Get an initial natural size so we have something when we signal
     // the kHaveMetadata buffering state.
     base::AutoLock l(lock_);
     natural_size_ = stream->video_decoder_config().natural_size();
   }
 
   video_renderer_ = filter_collection_->GetVideoRenderer();
   video_renderer_->Initialize(
@@ skipping 25 matching lines @@
 void Pipeline::StartClockIfWaitingForTimeUpdate_Locked() {
   lock_.AssertAcquired();
   if (!waiting_for_clock_update_)
     return;
 
   waiting_for_clock_update_ = false;
   clock_->Play();
 }
 
 }  // namespace media