Mac: Use cross-platform menu model for profile button.

chrome/browser/ui/cocoa/profile_menu_button.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 CHROME_BROWSER_UI_COCOA_PROFILE_MENU_BUTTON_H_
 #define CHROME_BROWSER_UI_COCOA_PROFILE_MENU_BUTTON_H_
 #pragma once
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/memory/scoped_nsobject.h"
+#include "base/memory/scoped_ptr.h"
+#import "chrome/browser/ui/cocoa/menu_controller.h"
+
+class ProfileMenuModel;
 
 // PopUp button that shows the multiprofile menu.
 @interface ProfileMenuButton : NSPopUpButton {
  @private
   BOOL shouldShowProfileDisplayName_;
   scoped_nsobject<NSTextFieldCell> textFieldCell_;
 
   scoped_nsobject<NSImage> cachedTabImage_;
   // Cache the various button states when creating |cachedTabImage_|. If
   // any of these states change then the cached image is invalidated.
   BOOL cachedTabImageIsPressed_;
+
+  // The popup menu and its model.
+  scoped_nsobject<MenuController> menu_;
+  scoped_ptr<ProfileMenuModel> profile_menu_model_;
 }
 
 @property(assign,nonatomic) BOOL shouldShowProfileDisplayName;
 @property(assign,nonatomic) NSString* profileDisplayName;
 
 // Gets the size of the control that would display all its contents.
 - (NSSize)desiredControlSize;
 // Gets the minimum size that the control should be resized to.
 - (NSSize)minControlSize;
 
 // Public for testing.
 - (void)   mouseDown:(NSEvent*)event
   withShowMenuTarget:(id)target;
 
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_PROFILE_MENU_BUTTON_H_