[Chromecast] Upgrade to new CMA backend API

chromecast/media/cma/pipeline/media_pipeline.h

-// Copyright 2014 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_PIPELINE_MEDIA_PIPELINE_H_
-#define CHROMECAST_MEDIA_CMA_PIPELINE_MEDIA_PIPELINE_H_
-
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/macros.h"
-#include "base/time/time.h"
-#include "media/base/pipeline_status.h"
-
-namespace media {
-class AudioDecoderConfig;
-class BrowserCdm;
-class VideoDecoderConfig;
-}
-
-namespace chromecast {
-namespace media {
-class AudioPipeline;
-class CodedFrameProvider;
-struct MediaPipelineClient;
-class VideoPipeline;
-
-class MediaPipeline {
- public:
-  MediaPipeline() {}
-  virtual ~MediaPipeline() {}
-
-  // Set the media pipeline client.
-  virtual void SetClient(const MediaPipelineClient& client) = 0;
-
-  // Set the CDM to use for decryption.
-  // The CDM is refered by its id.
-  virtual void SetCdm(int cdm_id) = 0;
-
-  // Return the audio/video pipeline owned by the MediaPipeline.
-  virtual AudioPipeline* GetAudioPipeline() const = 0;
-  virtual VideoPipeline* GetVideoPipeline() const = 0;
-
-  // Create an audio/video pipeline.
-  // MediaPipeline owns the resulting audio/video pipeline.
-  // Only one audio and one video pipeline can be created.
-  virtual void InitializeAudio(
-      const ::media::AudioDecoderConfig& config,
-      scoped_ptr<CodedFrameProvider> frame_provider,
-      const ::media::PipelineStatusCB& status_cb) = 0;
-  virtual void InitializeVideo(
-      const std::vector<::media::VideoDecoderConfig>& configs,
-      scoped_ptr<CodedFrameProvider> frame_provider,
-      const ::media::PipelineStatusCB& status_cb) = 0;
-
-  // Control the media pipeline state machine.
-  virtual void StartPlayingFrom(base::TimeDelta time) = 0;
-  virtual void Flush(const ::media::PipelineStatusCB& status_cb) = 0;
-  virtual void Stop() = 0;
-
-  // Set the playback rate.
-  virtual void SetPlaybackRate(double playback_rate) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MediaPipeline);
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_PIPELINE_MEDIA_PIPELINE_H_