Eliminate ash::internal namespace

ash/root_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_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
@@ skipping 29 matching lines @@
 class Widget;
 }
 
 namespace wm {
 class InputMethodEventFilter;
 class RootWindowEventFilter;
 class ScopedCaptureClient;
 }
 
 namespace ash {
-class ShelfWidget;
-class StackingController;
-class SystemTray;
-
-namespace internal {
-
 class AlwaysOnTopController;
 class AnimatingDesktopController;
 class DesktopBackgroundWidgetController;
 class DockedWindowLayoutManager;
 class PanelLayoutManager;
 class RootWindowLayoutManager;
 class ScreenDimmer;
 class ShelfLayoutManager;
+class ShelfWidget;
+class StackingController;
 class StatusAreaWidget;
 class SystemBackgroundController;
 class SystemModalContainerLayoutManager;
+class SystemTray;
 class TouchHudDebug;
 class TouchHudProjection;
 class WorkspaceController;
 
 #if defined(OS_CHROMEOS)
 class BootSplashScreen;
 #endif
 
 // This class maintains the per root window state for ash. This class
 // owns the root window and other dependent objects that should be
@@ skipping 18 matching lines @@
   // Returns a RootWindowController that has a shelf for given
   // |window|. This returns the RootWindowController for the |window|'s
   // root window when multiple shelf mode is enabled, or the primary
   // RootWindowController otherwise.
   static RootWindowController* ForShelf(aura::Window* window);
 
   // Returns a RootWindowController of the window's root window.
   static RootWindowController* ForWindow(const aura::Window* window);
 
   // Returns the RootWindowController of the target root window.
-  static internal::RootWindowController* ForTargetRootWindow();
+  static RootWindowController* ForTargetRootWindow();
 
   // Returns container which contains a given |window|.
   static aura::Window* GetContainerForWindow(aura::Window* window);
 
   virtual ~RootWindowController();
 
   aura::Window* root_window() { return host_->window(); }
   const aura::Window* root_window() const { return host_->window(); }
   aura::WindowTreeHost* host() { return host_.get(); }
   const aura::WindowTreeHost* host() const { return host_.get(); }
@@ skipping 197 matching lines @@
   scoped_ptr< ::wm::ScopedCaptureClient> capture_client_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 
 // Gets the RootWindowController for |root_window|.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
-}  // namespace internal
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_