Implements determineAccessibilityRole() instead of roleValue()

Source/modules/accessibility/AXMenuList.cpp

 /*
  * Copyright (C) 2010 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 AXMenuList::AXMenuList(LayoutMenuList* layoutObject, AXObjectCacheImpl* axObjectCache)
     : AXLayoutObject(layoutObject, axObjectCache)
 {
 }
 
 PassRefPtr<AXMenuList> AXMenuList::create(LayoutMenuList* layoutObject, AXObjectCacheImpl* axObjectCache)
 {
     return adoptRef(new AXMenuList(layoutObject, axObjectCache));
 }
 
-AccessibilityRole AXMenuList::roleValue() const
+AccessibilityRole AXMenuList::determineAccessibilityRole()
 {
-    AccessibilityRole ariaRole = ariaRoleAttribute();
-    if (ariaRole != UnknownRole)
-        return ariaRole;
+    if ((m_ariaRole = determineAriaRoleAttribute()) != UnknownRole)
+        return m_ariaRole;
+
     return PopUpButtonRole;
 }
 
 bool AXMenuList::press() const
 {
     LayoutMenuList* menuList = toLayoutMenuList(m_layoutObject);
     if (menuList->popupIsVisible())
         menuList->hidePopup();
     else
         menuList->showPopup();
@@ skipping 85 matching lines @@
         return;
 
     AXMenuListPopup* popup = toAXMenuListPopup(children()[0].get());
     popup->didHide();
 
     if (node() && node()->focused())
         axObjectCache()->postNotification(this, AXObjectCacheImpl::AXFocusedUIElementChanged);
 }
 
 } // namespace blink