Eliminate ash::internal namespace

ash/wm/workspace/phantom_window_controller.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_WM_WORKSPACE_PHANTOM_WINDOW_CONTROLLER_H_
 #define ASH_WM_WORKSPACE_PHANTOM_WINDOW_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/gfx/rect.h"
 
 namespace aura {
 class Window;
 }
 
 namespace views {
 class Widget;
 }
 
 namespace ash {
-namespace internal {
 
 // PhantomWindowController is responsible for showing a phantom representation
 // of a window. It's used to show a preview of how snapping or docking a window
 // will affect the window's bounds.
 class ASH_EXPORT PhantomWindowController {
  public:
   explicit PhantomWindowController(aura::Window* window);
 
   // Hides the phantom window without any animation.
   virtual ~PhantomWindowController();
@@ skipping 41 matching lines @@
 
   // Phantom representation of the window which is in the root window matching
   // the window's initial bounds. This allows animations to progress from one
   // display to the other. NULL if the phantom window starts and ends in the
   // same root window. Not used when using the alternate caption button style.
   scoped_ptr<views::Widget> phantom_widget_in_start_root_;
 
   DISALLOW_COPY_AND_ASSIGN(PhantomWindowController);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_PHANTOM_WINDOW_CONTROLLER_H_