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

ash/common/system/chromeos/power/battery_notification.h

Index: ash/common/system/chromeos/power/battery_notification.h
diff --git a/ash/system/power/battery_notification.h b/ash/common/system/chromeos/power/battery_notification.h
similarity index 76%
rename from ash/system/power/battery_notification.h
rename to ash/common/system/chromeos/power/battery_notification.h
index ee031b5282e46625da36b46d63cd905434b9c3c9..fa69832090989cac88f9ac439b5aa0db9b8c92c2 100644
--- a/ash/system/power/battery_notification.h
+++ b/ash/common/system/chromeos/power/battery_notification.h
@@ -2,11 +2,11 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef ASH_SYSTEM_POWER_BATTERY_NOTIFICATION_H_
-#define ASH_SYSTEM_POWER_BATTERY_NOTIFICATION_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_POWER_BATTERY_NOTIFICATION_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_POWER_BATTERY_NOTIFICATION_H_
 
 #include "ash/ash_export.h"
-#include "ash/system/power/tray_power.h"
+#include "ash/common/system/chromeos/power/tray_power.h"
 #include "base/macros.h"
 
 namespace message_center {
@@ -33,4 +33,4 @@ class ASH_EXPORT BatteryNotification {
 
 }  // namespace ash
 
-#endif  // ASH_SYSTEM_POWER_BATTERY_NOTIFICATION_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_POWER_BATTERY_NOTIFICATION_H_