Revert "chromeos: Move files in //ash/common to //ash, part 1"

ash/system/chromeos/power/tablet_power_button_controller.h

Index: ash/system/chromeos/power/tablet_power_button_controller.h
diff --git a/ash/system/power/tablet_power_button_controller.h b/ash/system/chromeos/power/tablet_power_button_controller.h
similarity index 95%
rename from ash/system/power/tablet_power_button_controller.h
rename to ash/system/chromeos/power/tablet_power_button_controller.h
index 834045e1936f5121926317daaa7d3d0c7e0ae05e..2a90377683139507dcb7065204c87c549c3f606f 100644
--- a/ash/system/power/tablet_power_button_controller.h
+++ b/ash/system/chromeos/power/tablet_power_button_controller.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
-#define ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
+#ifndef ASH_SYSTEM_CHROMEOS_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
+#define ASH_SYSTEM_CHROMEOS_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
 
 #include <memory>
 
@@ -136,4 +136,4 @@ class ASH_EXPORT TabletPowerButtonController
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_
+#endif  // ASH_SYSTEM_CHROMEOS_POWER_TABLET_POWER_BUTTON_CONTROLLER_H_