Moves Shell::CreateShelf() to WmShell

ash/shell.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_SHELL_H_
 #define ASH_SHELL_H_
 
 #include <memory>
 #include <utility>
 #include <vector>
@@ skipping 204 matching lines @@
   // Called when the screen is locked (after the lock window is visible) or
   // unlocked.
   void OnLockStateChanged(bool locked);
 
   // Called when a casting session is started or stopped.
   void OnCastingSessionStartedOrStopped(bool started);
 
   // Called when a root window is created.
   void OnRootWindowAdded(WmWindow* root_window);
 
-  // Initializes |shelf_|.  Does nothing if it's already initialized.
-  void CreateShelf();
-
   // Creates a virtual keyboard. Deletes the old virtual keyboard if it already
   // exists.
   void CreateKeyboard();
 
   // Deactivates the virtual keyboard.
   void DeactivateKeyboard();
 
 #if defined(OS_CHROMEOS)
   // Test if MaximizeModeWindowManager is not enabled, and if
   // MaximizeModeController is not currently setting a display rotation. Or if
@@ skipping 316 matching lines @@
   std::unique_ptr<GPUSupport> gpu_support_;
 
   std::unique_ptr<ImmersiveHandlerFactoryAsh> immersive_handler_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(Shell);
 };
 
 }  // namespace ash
 
 #endif  // ASH_SHELL_H_