Moves Shell::ShowShelf() 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 214 matching lines @@
   // 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();
 
-  // Show shelf view if it was created hidden (before session has started).
-  void ShowShelf();
-
 #if defined(OS_CHROMEOS)
   // Test if MaximizeModeWindowManager is not enabled, and if
   // MaximizeModeController is not currently setting a display rotation. Or if
   // the |resolution_notification_controller_| is not showing its confirmation
   // dialog. If true then changes to display settings can be saved.
   bool ShouldSaveDisplaySettings();
 #endif
 
   AcceleratorControllerDelegateAura* accelerator_controller_delegate() {
     return accelerator_controller_delegate_.get();
@@ skipping 309 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_