Remove reference counting from media::Demuxer and friends.

media/filters/audio_renderer_impl.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/filters/audio_renderer_impl.h"
 
 #include <math.h>
 
 #include <algorithm>
 
@@ skipping 161 matching lines @@
     splicer_->Reset();
     algorithm_->FlushBuffers();
     earliest_end_time_ = now_cb_.Run();
 
     AttemptRead_Locked();
   }
 
   sink_->Pause();
 }
 
-void AudioRendererImpl::Initialize(const scoped_refptr<DemuxerStream>& stream,
+void AudioRendererImpl::Initialize(DemuxerStream* stream,
                                    const PipelineStatusCB& init_cb,
                                    const StatisticsCB& statistics_cb,
                                    const base::Closure& underflow_cb,
                                    const TimeCB& time_cb,
                                    const base::Closure& ended_cb,
                                    const base::Closure& disabled_cb,
                                    const PipelineStatusCB& error_cb) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   DCHECK(stream);
   DCHECK_EQ(stream->type(), DemuxerStream::AUDIO);
@@ skipping 17 matching lines @@
   error_cb_ = error_cb;
 
   decoder_selector_->SelectAudioDecoder(
       stream,
       statistics_cb,
       base::Bind(&AudioRendererImpl::OnDecoderSelected, weak_this_));
 }
 
 void AudioRendererImpl::OnDecoderSelected(
     scoped_ptr<AudioDecoder> decoder,
-    const scoped_refptr<DecryptingDemuxerStream>& decrypting_demuxer_stream) {
+    scoped_ptr<DecryptingDemuxerStream> decrypting_demuxer_stream) {
   DCHECK(message_loop_->BelongsToCurrentThread());
   scoped_ptr<AudioDecoderSelector> deleter(decoder_selector_.Pass());
 
   if (state_ == kStopped) {
     DCHECK(!sink_);
     return;
   }
 
   if (!decoder) {
     base::ResetAndReturn(&init_cb_).Run(DECODER_ERROR_NOT_SUPPORTED);
     return;
   }
 
   decoder_ = decoder.Pass();
-  decrypting_demuxer_stream_ = decrypting_demuxer_stream;
+  decrypting_demuxer_stream_ = decrypting_demuxer_stream.Pass();
 
   int sample_rate = decoder_->samples_per_second();
   int buffer_size = GetHighLatencyOutputBufferSize(sample_rate);
   AudioParameters::Format format = AudioParameters::AUDIO_PCM_LINEAR;
 
   // Either AudioOutputResampler or renderer side mixing must be enabled to use
   // the low latency pipeline.
   const CommandLine* cmd_line = CommandLine::ForCurrentProcess();
   if (!cmd_line->HasSwitch(switches::kDisableRendererSideMixing) ||
       !cmd_line->HasSwitch(switches::kDisableAudioOutputResampler)) {
@@ skipping 411 matching lines @@
     case kUnderflow:
     case kRebuffering:
     case kStopped:
       if (status != PIPELINE_OK)
         error_cb_.Run(status);
       return;
   }
 }
 
 }  // namespace media