media: Use native video enum types in media mojo interfaces

services/video_capture/public/interfaces/video_capture_format_traits.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_PUBLIC_INTERFACES_VIDEO_CAPTURE_FORMAT_TYPEMAP_H_
 #define SERVICES_VIDEO_CAPTURE_PUBLIC_INTERFACES_VIDEO_CAPTURE_FORMAT_TYPEMAP_H_
 
 #include "media/base/video_capture_types.h"
 #include "mojo/common/common_custom_types_struct_traits.h"
 #include "services/video_capture/public/interfaces/video_capture_format.mojom.h"
 
 namespace mojo {
 
 template <>
 struct StructTraits<video_capture::mojom::VideoCaptureFormatDataView,
                     media::VideoCaptureFormat> {
   static const gfx::Size& frame_size(const media::VideoCaptureFormat& format) {
     return format.frame_size;
   }
 
   static float frame_rate(const media::VideoCaptureFormat& format) {
     return format.frame_rate;
   }
 
-  static media::mojom::VideoFormat pixel_format(
+  static media::VideoPixelFormat pixel_format(
       const media::VideoCaptureFormat& format) {
-    return static_cast<media::mojom::VideoFormat>(format.pixel_format);
+    return format.pixel_format;
   }
 
   static video_capture::mojom::VideoPixelStorage pixel_storage(
       const media::VideoCaptureFormat& format) {
     return static_cast<video_capture::mojom::VideoPixelStorage>(
         format.pixel_storage);
 }
 
   static bool Read(video_capture::mojom::VideoCaptureFormatDataView data,
                    media::VideoCaptureFormat* out);
 };
 
 template <>
 struct EnumTraits<video_capture::mojom::VideoPixelStorage,
                   media::VideoPixelStorage> {
   static video_capture::mojom::VideoPixelStorage ToMojom(
       media::VideoPixelStorage video_pixel_storage);
 
   static bool FromMojom(video_capture::mojom::VideoPixelStorage input,
                         media::VideoPixelStorage* out);
 };
 }
 
 #endif  // SERVICES_VIDEO_CAPTURE_PUBLIC_INTERFACES_VIDEO_CAPTURE_FORMAT_TYPEMAP_H_