Eliminate ash::internal namespace

ash/system/chromeos/power/power_status.h

 // Copyright (c) 2013 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_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_
 #define ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/observer_list.h"
 #include "base/strings/string16.h"
 #include "base/time/time.h"
 #include "chromeos/dbus/power_manager/power_supply_properties.pb.h"
 #include "chromeos/dbus/power_manager_client.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace ash {
-namespace internal {
 
 // PowerStatus is a singleton that receives updates about the system's
 // power status from chromeos::PowerManagerClient and makes the information
 // available to interested classes within Ash.
 class ASH_EXPORT PowerStatus : public chromeos::PowerManagerClient::Observer {
  public:
   // Different styles of battery icons.
   enum IconSet {
     ICON_LIGHT,
     ICON_DARK
@@ skipping 116 matching lines @@
       const power_manager::PowerSupplyProperties& proto) OVERRIDE;
 
   ObserverList<Observer> observers_;
 
   // Current state.
   power_manager::PowerSupplyProperties proto_;
 
   DISALLOW_COPY_AND_ASSIGN(PowerStatus);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SYSTEM_CHROMEOS_POWER_POWER_STATUS_H_