Oilpan: move DOM string collection objects to the Oilpan heap.

Source/core/html/HTMLLinkElement.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) 2003, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Rob Buis (rwlbuis@gmail.com)
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 401 matching lines @@
 const Vector<IntSize>& HTMLLinkElement::iconSizes() const
 {
     return m_iconSizes;
 }
 
 DOMSettableTokenList* HTMLLinkElement::sizes() const
 {
     return m_sizes.get();
 }
 
+void HTMLLinkElement::trace(Visitor* visitor)
+{
+    visitor->trace(m_sizes);
+    HTMLElement::trace(visitor);
+}
+
 PassOwnPtr<LinkStyle> LinkStyle::create(HTMLLinkElement* owner)
 {
     return adoptPtr(new LinkStyle(owner));
 }
 
 LinkStyle::LinkStyle(HTMLLinkElement* owner)
     : LinkResource(owner)
     , m_disabledState(Unset)
     , m_pendingSheetType(None)
     , m_loading(false)
@@ skipping 254 matching lines @@
 void LinkStyle::ownerRemoved()
 {
     if (m_sheet)
         clearSheet();
 
     if (styleSheetIsLoading())
         removePendingSheet(RemovePendingSheetNotifyLater);
 }
 
 } // namespace WebCore