Eliminate ash::internal namespace

ash/system/chromeos/power/tray_power.cc

 // 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.
 
 #include "ash/system/chromeos/power/tray_power.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/ash_switches.h"
 #include "ash/shell.h"
 #include "ash/system/chromeos/power/power_status_view.h"
@@ skipping 20 matching lines @@
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/fill_layout.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 
 using message_center::MessageCenter;
 using message_center::Notification;
 
 namespace ash {
-namespace internal {
 namespace tray {
-
 namespace {
 
 const int kMaxSpringChargerAccessibilityNotifyCount = 3;
 const int kSpringChargerAccessibilityTimerFirstTimeNotifyInSeconds = 30;
 const int kSpringChargerAccessibilityTimerRepeatInMinutes = 5;
 
 }
 
 // This view is used only for the tray.
 class PowerTrayView : public views::ImageView {
@@ skipping 336 matching lines @@
         SAFE_SPRING_CHARGER : UNCONFIRMED_SPRING_CHARGER;
   }
 
   if (current_charger != UNKNOWN_CHARGER) {
     UMA_HISTOGRAM_ENUMERATION("Power.ChargerType",
                               current_charger,
                               CHARGER_TYPE_COUNT);
   }
 }
 
-}  // namespace internal
 }  // namespace ash