Eliminate ash::internal namespace

ash/wm/workspace/multi_window_resize_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_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 #define ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_
 
 #include <vector>
 
 #include "ash/ash_export.h"
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/timer/timer.h"
 #include "ui/aura/window_observer.h"
 #include "ui/gfx/rect.h"
 #include "ui/views/mouse_watcher.h"
 
 namespace aura {
 class Window;
 }
 
 namespace views {
 class Widget;
 }
 
 namespace ash {
-namespace internal {
-
 class MultiWindowResizeControllerTest;
 class WorkspaceWindowResizer;
 
 // Two directions resizes happen in.
 enum Direction {
   TOP_BOTTOM,
   LEFT_RIGHT,
 };
 
 // MultiWindowResizeController is responsible for determining and showing a
@@ skipping 134 matching lines @@
   gfx::Rect show_bounds_in_screen_;
 
   // Used to detect whether the mouse is over the windows. While
   // |resize_widget_| is non-NULL (ie the widget is showing) we ignore calls
   // to Show().
   scoped_ptr<views::MouseWatcher> mouse_watcher_;
 
   DISALLOW_COPY_AND_ASSIGN(MultiWindowResizeController);
 };
 
-}  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_WM_WORKSPACE_MULTI_WINDOW_RESIZE_CONTROLLER_H_