Oilpan: Prepare to move FormAssociatedElement to Oilpan heap, part 2.

Source/core/html/HTMLFieldSetElement.cpp

 /*
  * 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, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 31 matching lines @@
     , m_documentVersion(0)
 {
     ScriptWrappable::init(this);
 }
 
 PassRefPtrWillBeRawPtr<HTMLFieldSetElement> HTMLFieldSetElement::create(Document& document, HTMLFormElement* form)
 {
     return adoptRefWillBeRefCountedGarbageCollected(new HTMLFieldSetElement(document, form));
 }
 
+void HTMLFieldSetElement::trace(Visitor* visitor)
+{
+#if ENABLE(OILPAN)
+    visitor->trace(m_associatedElements);
+#endif
+    HTMLFormControlElement::trace(visitor);
+}
+
 void HTMLFieldSetElement::invalidateDisabledStateUnder(Element& base)
 {
     for (Element* element = ElementTraversal::firstWithin(base); element; element = ElementTraversal::next(*element, &base)) {
         if (element->isFormControlElement())
             toHTMLFormControlElement(element)->ancestorDisabledStateWasChanged();
     }
 }
 
 void HTMLFieldSetElement::disabledAttributeChanged()
 {
@@ skipping 51 matching lines @@
             continue;
         }
 
         if (!element->isFormControlElement())
             continue;
 
         m_associatedElements.append(toHTMLFormControlElement(element));
     }
 }
 
-const Vector<FormAssociatedElement*>& HTMLFieldSetElement::associatedElements() const
+const FormAssociatedElement::List& HTMLFieldSetElement::associatedElements() const
 {
     refreshElementsIfNeeded();
     return m_associatedElements;
 }
 
 } // namespace