Moves Shell::CreateShelf() to WmShell

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 125 matching lines @@
   // calling this on the root window that doesn't have a shelf will
   // lead to a crash.
   SystemTray* GetSystemTray();
 
   // True if the window can receive events on this root window.
   bool CanWindowReceiveEvents(aura::Window* window);
 
   aura::Window* GetContainer(int container_id);
   const aura::Window* GetContainer(int container_id) const;
 
-  // 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(LoginStatus status);
 
   // Called when the brightness/grayscale animation from white to the login
   // wallpaper image has started.  Starts |boot_splash_screen_|'s hiding
   // animation (if the screen is non-NULL).
   void OnInitialWallpaperAnimationStarted();
 
   // Called when the wallpaper animation is finished. Updates
@@ skipping 108 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_