Video Capture Mojo (1.4b): Implement ability to use fake device instance

services/video_capture/video_capture_device_proxy_impl.h

 // Copyright 2016 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 SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_IMPL_H_
 #define SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_IMPL_H_
 
+#include "media/capture/video/video_capture_device.h"
 #include "services/video_capture/public/interfaces/video_capture_device_proxy.mojom.h"
 
 namespace video_capture {
 
 // Implementation of mojom::VideoCaptureDeviceProxy backed by a given instance
 // of media::VideoCaptureDevice.
 class VideoCaptureDeviceProxyImpl : public mojom::VideoCaptureDeviceProxy {
  public:
+  VideoCaptureDeviceProxyImpl(
+      std::unique_ptr<media::VideoCaptureDevice> device);
+  ~VideoCaptureDeviceProxyImpl() override;
+
   // mojom::VideoCaptureDeviceProxy:
   void Start(mojom::VideoCaptureFormatPtr requested_format,
              mojom::ResolutionChangePolicy resolution_change_policy,
              mojom::PowerLineFrequency power_line_frequency,
              mojom::VideoCaptureDeviceClientPtr client) override;
+
+  // TODO(chfremer): Consider using Mojo type mapping instead of conversion
+  // methods.
+  // https://crbug.com/642387
+  static media::VideoCaptureFormat ConvertFromMojoToMedia(
+      mojom::VideoCaptureFormatPtr format);
+  static media::VideoPixelFormat ConvertFromMojoToMedia(
+      media::mojom::VideoFormat format);
+  static media::VideoPixelStorage ConvertFromMojoToMedia(
+      mojom::VideoPixelStorage storage);
+  static media::ResolutionChangePolicy ConvertFromMojoToMedia(
+      mojom::ResolutionChangePolicy policy);
+  static media::PowerLineFrequency ConvertFromMojoToMedia(
+      mojom::PowerLineFrequency frequency);
+
+ private:
+  std::unique_ptr<media::VideoCaptureDevice> device_;
 };
 
 }  // namespace video_capture
 
 #endif  // SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_IMPL_H_