Move views::Accelerator to ui in order to use it from aura code.

views/controls/menu/menu_model_adapter.h

 // Copyright (c) 2011 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 VIEWS_CONTROLS_MENU_MENU_MODEL_ADAPTER_H_
 #define VIEWS_CONTROLS_MENU_MENU_MODEL_ADAPTER_H_
 #pragma once
 
 #include <map>
 
@@ skipping 28 matching lines @@
   }
   int triggerable_event_flags() const { return triggerable_event_flags_; }
 
  protected:
   // views::MenuDelegate implementation.
   virtual void ExecuteCommand(int id) OVERRIDE;
   virtual void ExecuteCommand(int id, int mouse_event_flags) OVERRIDE;
   virtual bool IsTriggerableEvent(MenuItemView* source,
                                   const MouseEvent& e) OVERRIDE;
   virtual bool GetAccelerator(int id,
-                              views::Accelerator* accelerator) OVERRIDE;
+                              ui::Accelerator* accelerator) OVERRIDE;
   virtual string16 GetLabel(int id) const OVERRIDE;
   virtual const gfx::Font& GetLabelFont(int id) const OVERRIDE;
   virtual bool IsCommandEnabled(int id) const OVERRIDE;
   virtual bool IsItemChecked(int id) const OVERRIDE;
   virtual void SelectionChanged(MenuItemView* menu) OVERRIDE;
   virtual void WillShowMenu(MenuItemView* menu) OVERRIDE;
   virtual void WillHideMenu(MenuItemView* menu) OVERRIDE;
 
  private:
   // Implementation of BuildMenu().  index_offset is both input and output;
@@ skipping 11 matching lines @@
 
   // Map MenuItems to MenuModels.  Used to implement WillShowMenu().
   std::map<MenuItemView*, ui::MenuModel*> menu_map_;
 
   DISALLOW_COPY_AND_ASSIGN(MenuModelAdapter);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_CONTROLS_MENU_MENU_MODEL_ADAPTER_H_