Image Capture: move files out of content/browser/media/capture to replicate WebKit's structure

content/browser/media/capture/image_capture_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 CONTENT_BROWSER_MEDIA_CAPTURE_IMAGE_CAPTURE_IMPL_H_
-#define CONTENT_BROWSER_MEDIA_CAPTURE_IMAGE_CAPTURE_IMPL_H_
-
-#include "media/capture/mojo/image_capture.mojom.h"
-
-namespace content {
-
-class ImageCaptureImpl : public media::mojom::ImageCapture {
- public:
-  ImageCaptureImpl();
-  ~ImageCaptureImpl() override;
-
-  static void Create(media::mojom::ImageCaptureRequest request);
-
-  void GetCapabilities(const std::string& source_id,
-                       const GetCapabilitiesCallback& callback) override;
-
-  void SetOptions(const std::string& source_id,
-                  media::mojom::PhotoSettingsPtr settings,
-                  const SetOptionsCallback& callback) override;
-
-  void TakePhoto(const std::string& source_id,
-                 const TakePhotoCallback& callback) override;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(ImageCaptureImpl);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_MEDIA_CAPTURE_IMAGE_CAPTURE_IMPL_H_