Revert of media: add video capture device for ARC++ camera HAL v3

media/capture/video/chromeos/video_capture_device_factory_chromeos.h

-// Copyright 2017 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 MEDIA_CAPTURE_VIDEO_CHROMEOS_VIDEO_CAPTURE_DEVICE_FACTORY_CHROMEOS_H_
-#define MEDIA_CAPTURE_VIDEO_CHROMEOS_VIDEO_CAPTURE_DEVICE_FACTORY_CHROMEOS_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "media/capture/video/chromeos/camera_hal_delegate.h"
-#include "media/capture/video/video_capture_device_factory.h"
-
-namespace media {
-
-class CAPTURE_EXPORT VideoCaptureDeviceFactoryChromeOS final
-    : public VideoCaptureDeviceFactory {
- public:
-  explicit VideoCaptureDeviceFactoryChromeOS(
-      scoped_refptr<base::SingleThreadTaskRunner>
-          task_runner_for_screen_observer);
-
-  ~VideoCaptureDeviceFactoryChromeOS() override;
-
-  // VideoCaptureDeviceFactory interface implementations.
-  std::unique_ptr<VideoCaptureDevice> CreateDevice(
-      const VideoCaptureDeviceDescriptor& device_descriptor) final;
-  void GetSupportedFormats(
-      const VideoCaptureDeviceDescriptor& device_descriptor,
-      VideoCaptureFormats* supported_formats) final;
-  void GetDeviceDescriptors(
-      VideoCaptureDeviceDescriptors* device_descriptors) final;
-
-  // Initializes the factory. The factory is functional only after this call
-  // succeeds.
-  bool Init();
-
-  // A run-time check for whether we should enable
-  // VideoCaptureDeviceFactoryChromeOS on the device.
-  static bool ShouldEnable();
-
- private:
-  const scoped_refptr<base::SingleThreadTaskRunner>
-      task_runner_for_screen_observer_;
-
-  // The thread that all the Mojo operations of |camera_hal_delegate_| take
-  // place.  Started in Init and stopped when the class instance is destroyed.
-  base::Thread camera_hal_ipc_thread_;
-
-  // Communication interface to the camera HAL.  |camera_hal_delegate_| is
-  // created on the thread on which Init is called.  All the Mojo communication
-  // that |camera_hal_delegate_| issues and receives must be sequenced through
-  // |camera_hal_ipc_thread_|.
-  scoped_refptr<CameraHalDelegate> camera_hal_delegate_;
-
-  DISALLOW_COPY_AND_ASSIGN(VideoCaptureDeviceFactoryChromeOS);
-};
-
-}  // namespace media
-
-#endif  // MEDIA_CAPTURE_VIDEO_CHROMEOS_VIDEO_CAPTURE_DEVICE_FACTORY_CHROMEOS_H_