Revert "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_SHUTDOWN_CONTROLLER_H_
-#define ASH_SHUTDOWN_CONTROLLER_H_
+#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.
@@ skipping 22 matching lines @@
   bool reboot_on_shutdown_ = false;
 
   // Bindings for the ShutdownController interface.
   mojo::BindingSet<mojom::ShutdownController> bindings_;
 
   DISALLOW_COPY_AND_ASSIGN(ShutdownController);
 };
 
 }  // namespace ash
 
-#endif  // ASH_SHUTDOWN_CONTROLLER_H_
+#endif  // ASH_COMMON_SHUTDOWN_CONTROLLER_H_