Oilpan: Prepare moving HTMLTemplateElement to oipan

Source/core/html/HTMLTemplateElement.cpp

 /*
  * Copyright (C) 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 29 matching lines @@
 using namespace HTMLNames;
 
 inline HTMLTemplateElement::HTMLTemplateElement(Document& document)
     : HTMLElement(templateTag, document)
 {
     ScriptWrappable::init(this);
 }
 
 HTMLTemplateElement::~HTMLTemplateElement()
 {
+#if !ENABLE(OILPAN)
     if (m_content)
         m_content->clearHost();
+#endif
 }
 
 PassRefPtrWillBeRawPtr<HTMLTemplateElement> HTMLTemplateElement::create(Document& document)
 {
     return adoptRefWillBeRefCountedGarbageCollected(new HTMLTemplateElement(document));
 }
 
 DocumentFragment* HTMLTemplateElement::content() const
 {
     if (!m_content)
@@ skipping 14 matching lines @@
 }
 
 void HTMLTemplateElement::didMoveToNewDocument(Document& oldDocument)
 {
     HTMLElement::didMoveToNewDocument(oldDocument);
     if (!m_content)
         return;
     document().ensureTemplateDocument().adoptIfNeeded(*m_content);
 }
 
+void HTMLTemplateElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_content);
+    HTMLElement::trace(visitor);
+}
+
 } // namespace WebCore