chromeos: Move files in //ash/common to //ash, part 3

ash/common/shutdown_controller.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 ASH_COMMON_SHUTDOWN_CONTROLLER_H_
-#define ASH_COMMON_SHUTDOWN_CONTROLLER_H_
-
-#include "ash/ash_export.h"
-#include "ash/public/interfaces/shutdown.mojom.h"
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "mojo/public/cpp/bindings/binding_set.h"
-
-namespace ash {
-
-// Handles actual device shutdown by making requests to powerd over D-Bus.
-// Caches the DeviceRebootOnShutdown device policy sent from Chrome over mojo.
-class ASH_EXPORT ShutdownController
-    : NON_EXPORTED_BASE(public mojom::ShutdownController) {
- public:
-  ShutdownController();
-  ~ShutdownController() override;
-
-  bool reboot_on_shutdown() const { return reboot_on_shutdown_; }
-
-  // Shuts down or reboots based on the current DeviceRebootOnShutdown policy.
-  // Does not trigger the shutdown fade-out animation. For animated shutdown
-  // use WmShell::RequestShutdown(). Virtual for testing.
-  virtual void ShutDownOrReboot();
-
-  // Binds the mojom::ShutdownController interface request to this object.
-  void BindRequest(mojom::ShutdownControllerRequest request);
-
- private:
-  // mojom::ShutdownController:
-  void SetRebootOnShutdown(bool reboot_on_shutdown) override;
-
-  // Cached copy of the DeviceRebootOnShutdown policy from chrome.
-  bool reboot_on_shutdown_ = false;
-
-  // Bindings for the ShutdownController interface.
-  mojo::BindingSet<mojom::ShutdownController> bindings_;
-
-  DISALLOW_COPY_AND_ASSIGN(ShutdownController);
-};
-
-}  // namespace ash
-
-#endif  // ASH_COMMON_SHUTDOWN_CONTROLLER_H_