[oilpan] Handlify childrenChanged.

Source/core/html/HTMLOptionElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2004, 2005, 2006, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility, Inc.  All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 246 matching lines @@
     if (m_isSelected == selected)
         return;
 
     m_isSelected = selected;
     didAffectSelector(AffectedSelectorChecked);
 
     if (Handle<HTMLSelectElement> select = ownerSelectElement())
         select->invalidateSelectedItems();
 }
 
-void HTMLOptionElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLOptionElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
 #if ENABLE(DATALIST_ELEMENT)
     if (Handle<HTMLDataListElement> dataList = ownerDataListElement())
         dataList->optionElementChildrenChanged();
     else
 #endif
     if (Handle<HTMLSelectElement> select = ownerSelectElement())
         select->optionElementChildrenChanged();
     HTMLElement::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
@@ skipping 134 matching lines @@
 }
 
 #endif
 
 void HTMLOptionElement::accept(Visitor* visitor) const
 {
     HTMLElement::accept(visitor);
 }
 
 } // namespace