Revert "Fix a ton of compiler warnings."

views/controls/menu/simple_menu_model.h

 // Copyright (c) 2009 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 CONTROLS_MENU_VIEWS_SIMPLE_MENU_MODEL_H_
 #define CONTROLS_MENU_VIEWS_SIMPLE_MENU_MODEL_H_
 
 #include <vector>
 
 #include "base/string16.h"
@@ skipping 26 matching lines @@
     virtual string16 GetLabelForCommandId(int command_id) const {
       return string16();
     }
 
     // Notifies the delegate that the item with the specified command id was
     // visually highlighted within the menu.
     virtual void CommandIdHighlighted(int command_id) {}
 
     // Performs the action associated with the specified command id.
     virtual void ExecuteCommand(int command_id) = 0;
-
-   protected:
-    ~Delegate() {}
   };
 
   // The Delegate can be NULL, though if it is items can't be checked or
   // disabled.
   explicit SimpleMenuModel(Delegate* delegate);
   virtual ~SimpleMenuModel();
 
   // Methods for adding items to the model.
   void AddItem(int command_id, const string16& label);
   void AddItemWithStringId(int command_id, int string_id);
@@ skipping 41 matching lines @@
   std::vector<Item> items_;
 
   Delegate* delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(SimpleMenuModel);
 };
 
 }  // namespace views
 
 #endif  // CONTROLS_MENU_VIEWS_SIMPLE_MENU_MODEL_H_