Oilpan: Prepare moving AXObject to heap

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 19 matching lines @@
 #include "modules/accessibility/AXMenuListPopup.h"
 #include "modules/accessibility/AXObjectCacheImpl.h"
 
 namespace blink {
 
 AXMenuList::AXMenuList(LayoutMenuList* layoutObject, AXObjectCacheImpl* axObjectCache)
     : AXLayoutObject(layoutObject, axObjectCache)
 {
 }
 
-PassRefPtr<AXMenuList> AXMenuList::create(LayoutMenuList* layoutObject, AXObjectCacheImpl* axObjectCache)
+PassRefPtrWillBeRawPtr<AXMenuList> AXMenuList::create(LayoutMenuList* layoutObject, AXObjectCacheImpl* axObjectCache)
 {
-    return adoptRef(new AXMenuList(layoutObject, axObjectCache));
+    return adoptRefWillBeNoop(new AXMenuList(layoutObject, axObjectCache));
 }
 
 AccessibilityRole AXMenuList::determineAccessibilityRole()
 {
     if ((m_ariaRole = determineAriaRoleAttribute()) != UnknownRole)
         return m_ariaRole;
 
     return PopUpButtonRole;
 }
 
@@ skipping 28 matching lines @@
     m_haveChildren = true;
 
     AXObjectCacheImpl* cache = axObjectCache();
 
     AXObject* list = cache->getOrCreate(MenuListPopupRole);
     if (!list)
         return;
 
     toAXMockObject(list)->setParent(this);
     if (list->accessibilityIsIgnored()) {
+#if ENABLE(OILPAN)
+        cache->remove(list);
+#else
         cache->remove(list->axObjectID());
+#endif
         return;
     }
 
     m_children.append(list);
 
     list->addChildren();
 }
 
 bool AXMenuList::isCollapsed() const
 {
@@ skipping 52 matching lines @@
         return;
 
     AXMenuListPopup* popup = toAXMenuListPopup(children()[0].get());
     popup->didHide();
 
     if (node() && node()->focused())
         axObjectCache()->postNotification(this, AXObjectCacheImpl::AXFocusedUIElementChanged);
 }
 
 } // namespace blink