Remove "high"-latency audio code path

media/filters/reference_audio_renderer.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_REFERENCE_AUDIO_RENDERER_H_
-#define MEDIA_FILTERS_REFERENCE_AUDIO_RENDERER_H_
-
-// This is the reference implementation of AudioRenderer, which uses the audio
-// interfaces to open an audio device.  It cannot be used in the sandbox, but is
-// used in other applications such as the test player.
-//
-// Note: THIS IS NOT THE AUDIO RENDERER USED IN CHROME.
-//
-// See src/content/renderer/media/audio_renderer_impl.h for chrome's
-// implementation.
-
-#include "media/audio/audio_output_controller.h"
-#include "media/filters/audio_renderer_base.h"
-
-class AudioManager;
-
-namespace media {
-
-class MEDIA_EXPORT ReferenceAudioRenderer
-    : public AudioRendererBase,
-      public AudioOutputController::EventHandler {
- public:
-  explicit ReferenceAudioRenderer(AudioManager* audio_manager);
-  virtual ~ReferenceAudioRenderer();
-
-  // Filter implementation.
-  virtual void SetPlaybackRate(float playback_rate) OVERRIDE;
-
-  // AudioRenderer implementation.
-  virtual void SetVolume(float volume) OVERRIDE;
-
-  // AudioController::EventHandler implementation.
-  virtual void OnCreated(AudioOutputController* controller) OVERRIDE;
-  virtual void OnPlaying(AudioOutputController* controller) OVERRIDE;
-  virtual void OnPaused(AudioOutputController* controller) OVERRIDE;
-  virtual void OnError(AudioOutputController* controller,
-                       int error_code) OVERRIDE;
-  virtual void OnMoreData(AudioOutputController* controller,
-                          AudioBuffersState buffers_state) OVERRIDE;
-
- protected:
-  // AudioRendererBase implementation.
-  virtual bool OnInitialize(int bits_per_channel,
-                            ChannelLayout channel_layout,
-                            int sample_rate) OVERRIDE;
-  virtual void OnStop() OVERRIDE;
-  virtual void OnRenderEndOfStream() OVERRIDE;
-
- private:
-  scoped_refptr<AudioManager> audio_manager_;
-  int bytes_per_second_;
-  bool has_buffered_data_;
-
-  // Audio output controller.
-  scoped_refptr<media::AudioOutputController> controller_;
-
-  // Audio buffer.
-  int buffer_capacity_;
-  scoped_array<uint8> buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(ReferenceAudioRenderer);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_FILTERS_REFERENCE_AUDIO_RENDERER_H_