Replace manual conversions with Mojo type mappings

services/video_capture/fake_device_test.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_FAKE_DEVICE_TEST_H_
 #define SERVICES_VIDEO_CAPTURE_FAKE_DEVICE_TEST_H_
 
 #include "services/video_capture/fake_device_descriptor_test.h"
 #include "services/video_capture/mock_supported_formats_receiver.h"
 
 namespace video_capture {
 
 // Test fixture that creates a proxy to the fake device provided by the fake
 // device factory.
 class FakeDeviceTest : public FakeDeviceDescriptorTest {
  public:
   FakeDeviceTest();
   ~FakeDeviceTest() override;
 
   void SetUp() override;
 
  protected:
   MockSupportedFormatsReceiver supported_formats_receiver_;
-  mojom::VideoCaptureFormatPtr fake_device_first_supported_format_;
-  mojom::VideoCaptureSettingsPtr requestable_settings_;
+  media::VideoCaptureFormat fake_device_first_supported_format_;
+  media::VideoCaptureParams requestable_settings_;
   mojom::VideoCaptureDeviceProxyPtr fake_device_proxy_;
 };
 
 }  // namespace video_capture
 
 #endif  // SERVICES_VIDEO_CAPTURE_FAKE_DEVICE_TEST_H_