[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/backend/audio_pipeline_device_default.h

-// Copyright 2015 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 CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_
-#define CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_
-
-#include <vector>
-
-#include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/threading/thread_checker.h"
-#include "chromecast/public/media/audio_pipeline_device.h"
-#include "chromecast/public/media/decoder_config.h"
-
-namespace chromecast {
-namespace media {
-
-class MediaClockDevice;
-class MediaComponentDeviceDefault;
-struct MediaPipelineDeviceParams;
-
-class AudioPipelineDeviceDefault : public AudioPipelineDevice {
- public:
-  AudioPipelineDeviceDefault(const MediaPipelineDeviceParams& params,
-                             MediaClockDevice* media_clock_device);
-  ~AudioPipelineDeviceDefault() override;
-
-  // AudioPipelineDevice implementation.
-  void SetClient(Client* client) override;
-  State GetState() const override;
-  bool SetState(State new_state) override;
-  bool SetStartPts(int64_t time_microseconds) override;
-  FrameStatus PushFrame(DecryptContext* decrypt_context,
-                        CastDecoderBuffer* buffer,
-                        FrameStatusCB* completion_cb) override;
-  RenderingDelay GetRenderingDelay() const override;
-  bool SetConfig(const AudioConfig& config) override;
-  void SetStreamVolumeMultiplier(float multiplier) override;
-  bool GetStatistics(Statistics* stats) const override;
-
- private:
-  scoped_ptr<MediaComponentDeviceDefault> pipeline_;
-
-  AudioConfig config_;
-  std::vector<uint8_t> config_extra_data_;
-
-  base::ThreadChecker thread_checker_;
-  DISALLOW_COPY_AND_ASSIGN(AudioPipelineDeviceDefault);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_BACKEND_AUDIO_PIPELINE_DEVICE_DEFAULT_H_