[oilpan] Handlify childrenChanged.

Source/core/html/HTMLSelectElement.cpp

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
@@ skipping 348 matching lines @@
 {
     return static_cast<HTMLOptionsCollection*>(ensureCachedHTMLCollection(SelectOptions).get());
 }
 
 void HTMLSelectElement::updateListItemSelectedStates()
 {
     if (m_shouldRecalcListItems)
         recalcListItems();
 }
 
-void HTMLSelectElement::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+void HTMLSelectElement::childrenChanged(bool changedByParser, const Handle<Node>& beforeChange, const Handle<Node>& afterChange, int childCountDelta)
 {
     setRecalcListItems();
     setNeedsValidityCheck();
 
     HTMLFormControlElementWithState::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
 }
 
 void HTMLSelectElement::optionElementChildrenChanged()
 {
     setRecalcListItems();
@@ skipping 1194 matching lines @@
     return options;
 }
 
 void HTMLSelectElement::accept(Visitor* visitor) const
 {
     HTMLFormControlElementWithState::accept(visitor);
     visitor->visit(m_listItems);
 }
 
 } // namespace