[Mojo Video Capture] Cleanup naming of classes/files in services/video_capture

services/video_capture/device_client_media_to_mojo_adapter.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_DEVICE_CLIENT_MEDIA_TO_MOJO_ADAPTER_H_
-#define SERVICES_VIDEO_CAPTURE_DEVICE_CLIENT_MEDIA_TO_MOJO_ADAPTER_H_
-
-#include "media/capture/video/video_capture_device.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "services/video_capture/public/interfaces/mock_video_capture_device.mojom.h"
-
-namespace video_capture {
-
-// Adapter that allows a media::VideoCaptureDevice::Client to be used in place
-// of a mojom::MockDeviceClient. Since the implemented interface
-// MockDeviceClient is empty, its purpose is mostly to own the wrapped
-// instance of media::VideoCaptureDevice::Client and keep it alive until the
-// connection is closed.
-class DeviceClientMediaToMojoAdapter : public mojom::MockDeviceClient {
- public:
-  ~DeviceClientMediaToMojoAdapter() override;
-
-  DeviceClientMediaToMojoAdapter(
-      std::unique_ptr<media::VideoCaptureDevice::Client> client);
-
- private:
-  std::unique_ptr<media::VideoCaptureDevice::Client> client_;
-};
-
-}  // namespace video_capture
-
-#endif  // SERVICES_VIDEO_CAPTURE_DEVICE_CLIENT_MEDIA_TO_MOJO_ADAPTER_H_