[Mojo Video Capture] Move conversions between mojom and media types to a separate file

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"
 
@@ skipping 10 matching lines @@
   // mojom::VideoCaptureDeviceProxy:
   void Start(mojom::VideoCaptureFormatPtr requested_format,
              mojom::ResolutionChangePolicy resolution_change_policy,
              mojom::PowerLineFrequency power_line_frequency,
              mojom::VideoCaptureDeviceClientPtr client) override;
 
   void Stop();
 
   void OnClientConnectionErrorOrClose();
 
-  // 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_;
   bool device_running_ = false;
 };
 
 }  // namespace video_capture
 
 #endif  // SERVICES_VIDEO_CAPTURE_VIDEO_CAPTURE_DEVICE_IMPL_H_