mash: Convert shelf to wm::WmWindow types, part 1

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 <memory>
 
@@ skipping 162 matching lines @@
   // default modal container is used.
   SystemModalContainerLayoutManager* GetSystemModalLayoutManager(
       aura::Window* window);
 
   aura::Window* GetContainer(int container_id);
   const aura::Window* GetContainer(int container_id) const;
 
   // Show shelf view if it was created hidden (before session has started).
   void ShowShelf();
 
-  // Called when the shelf associated with this root window is created.
-  void OnShelfCreated();
+  // Creates the shelf for this root window and notifies observers.
+  void CreateShelf();
 
   // Called when the login status changes after login (such as lock/unlock).
   // TODO(oshima): Investigate if we can merge this and |OnLoginStateChanged|.
   void UpdateAfterLoginStatusChange(user::LoginStatus status);
 
   // Called when the brightness/grayscale animation from white to the login
   // desktop background image has started.  Starts |boot_splash_screen_|'s
   // hiding animation (if the screen is non-NULL).
   void HandleInitialDesktopBackgroundAnimationStarted();
 
@@ skipping 124 matching lines @@
 
 // On classic ash, returns the RootWindowController for the given |root_window|.
 // On mus ash, returns the RootWindowController for the primary display.
 // See RootWindowController class comment above.
 ASH_EXPORT RootWindowController* GetRootWindowController(
     const aura::Window* root_window);
 
 }  // namespace ash
 
 #endif  // ASH_ROOT_WINDOW_CONTROLLER_H_