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

ash/system/power/tray_power.h

 // Copyright (c) 2012 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_SYSTEM_CHROMEOS_POWER_TRAY_POWER_H_
-#define ASH_COMMON_SYSTEM_CHROMEOS_POWER_TRAY_POWER_H_
+#ifndef ASH_SYSTEM_POWER_TRAY_POWER_H_
+#define ASH_SYSTEM_POWER_TRAY_POWER_H_
 
 #include <memory>
 
-#include "ash/common/system/chromeos/power/power_status.h"
-#include "ash/common/system/tray/system_tray_item.h"
+#include "ash/system/power/power_status.h"
+#include "ash/system/tray/system_tray_item.h"
 #include "base/macros.h"
 
 namespace message_center {
 class MessageCenter;
 }
 
 namespace ash {
 
 class BatteryNotification;
 class DualRoleNotification;
@@ skipping 85 matching lines @@
 
   // Has the user already dismissed a low-power notification? Should be set
   // back to false when all power sources are disconnected.
   bool usb_notification_dismissed_;
 
   DISALLOW_COPY_AND_ASSIGN(TrayPower);
 };
 
 }  // namespace ash
 
-#endif  // ASH_COMMON_SYSTEM_CHROMEOS_POWER_TRAY_POWER_H_
+#endif  // ASH_SYSTEM_POWER_TRAY_POWER_H_