Remove reference counting from media::Pipeline.

media/filters/pipeline_integration_test_base.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_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
 #define MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_
 
 #include "base/message_loop.h"
 #include "base/md5.h"
 #include "media/audio/null_audio_sink.h"
@@ skipping 58 matching lines @@
   // after playback completes.  Pipeline must have been started with hashing
   // enabled.
   std::string GetAudioHash();
 
  protected:
   base::MessageLoop message_loop_;
   base::MD5Context md5_context_;
   bool hashing_enabled_;
   scoped_ptr<Demuxer> demuxer_;
   scoped_ptr<DataSource> data_source_;
-  scoped_refptr<Pipeline> pipeline_;
+  scoped_ptr<Pipeline> pipeline_;
   scoped_refptr<NullAudioSink> audio_sink_;
   bool ended_;
   PipelineStatus pipeline_status_;
   NeedKeyCB need_key_cb_;
 
   void OnStatusCallbackChecked(PipelineStatus expected_status,
                                PipelineStatus status);
   void OnStatusCallback(PipelineStatus status);
   PipelineStatusCB QuitOnStatusCB(PipelineStatus expected_status);
   void DemuxerNeedKeyCB(const std::string& type,
@@ skipping 11 matching lines @@
                     const DecryptorReadyCB& decryptor_ready_cb);
   void OnVideoRendererPaint(const scoped_refptr<VideoFrame>& frame);
 
   MOCK_METHOD1(OnSetOpaque, void(bool));
   MOCK_METHOD1(OnBufferingState, void(Pipeline::BufferingState));
 };
 
 }  // namespace media
 
 #endif  // MEDIA_FILTERS_PIPELINE_INTEGRATION_TEST_BASE_H_