[Chromecast] Upgrade to new CMA backend API

chromecast/public/media/video_pipeline_device.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_PUBLIC_MEDIA_VIDEO_PIPELINE_DEVICE_H_
-#define CHROMECAST_PUBLIC_MEDIA_VIDEO_PIPELINE_DEVICE_H_
-
-#include "media_component_device.h"
-
-namespace chromecast {
-struct Size;
-
-namespace media {
-struct VideoConfig;
-
-// Interface for platform-specific video pipeline backend.
-// See comments on MediaComponentDevice.
-//
-// Notes:
-// - Like a regular MediaComponentDevice, frames are possibly rendered only
-//   in the kRunning state.
-//   However, the first frame must be rendered regardless of the clock state:
-//   - no synchronization needed to display the first frame,
-//   - the clock rate has no impact on the presentation of the first frame.
-class VideoPipelineDevice : public MediaComponentDevice {
- public:
-  // Callback interface for natural size of video changing.
-  class VideoClient {
-   public:
-    virtual ~VideoClient() {}
-    virtual void OnNaturalSizeChanged(const Size& size) = 0;
-  };
-
-  ~VideoPipelineDevice() override {}
-
-  // Registers |client| as the video specific event handler.
-  // Implementation takes ownership of |client|.
-  virtual void SetVideoClient(VideoClient* client) = 0;
-
-  // Provides the video configuration.
-  // Called before switching from |kStateUninitialized| to |kStateIdle|.
-  // Afterwards, this can be invoked any time the configuration changes.
-  // Returns true if the configuration is a supported configuration.
-  virtual bool SetConfig(const VideoConfig& config) = 0;
-};
-
-}  // namespace media
-}  // namespace chromecast
-
-#endif  // CHROMECAST_MEDIA_CMA_BACKEND_VIDEO_PIPELINE_DEVICE_H_