Eliminate ash::internal namespace

ash/display/output_configurator_animation.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_DISPLAY_OUTPUT_CONFIGURATOR_ANIMATION_H_
 #define ASH_DISPLAY_OUTPUT_CONFIGURATOR_ANIMATION_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
 #include "base/callback.h"
 #include "base/timer/timer.h"
 #include "ui/display/chromeos/output_configurator.h"
 
 namespace aura {
 class RootWindow;
 class Window;
 }  // namespace aura
 
 namespace ui {
 class Layer;
 }  // namespace ui
 
 namespace ash {
-namespace internal {
 
 // OutputConfiguratorAnimation provides the visual effects for
 // ui::OutputConfigurator, such like fade-out/in during changing
 // the display mode.
 class ASH_EXPORT OutputConfiguratorAnimation
     : public ui::OutputConfigurator::Observer {
  public:
   OutputConfiguratorAnimation();
   virtual ~OutputConfiguratorAnimation();
 
@@ skipping 17 matching lines @@
   // during an animation, the method call will cancel all of the animations
   // and *not* call the registered callback.
   void ClearHidingLayers();
 
   std::map<aura::Window*, ui::Layer*> hiding_layers_;
   scoped_ptr<base::OneShotTimer<OutputConfiguratorAnimation> > timer_;
 
   DISALLOW_COPY_AND_ASSIGN(OutputConfiguratorAnimation);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_DISPLAY_OUTPUT_CONFIGURATION_CONTROLLER_H_