Prepare SVGElement references in Document for oilpan

Source/core/dom/Document.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@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) Research In Motion Limited 2010-2011. All rights reserved.
@@ skipping 2081 matching lines @@
         return;
 
     setSecurityOrigin(SecurityOrigin::createUnique());
     didUpdateSecurityOrigin();
 }
 
 bool Document::dirtyElementsForLayerUpdate()
 {
     if (m_layerUpdateSVGFilterElements.isEmpty())
         return false;
-    HashSet<Element*>::iterator end = m_layerUpdateSVGFilterElements.end();
-    for (HashSet<Element*>::iterator it = m_layerUpdateSVGFilterElements.begin(); it != end; ++it)
+
+    for (WillBeHeapHashSet<RawPtrWillBeMember<Element> >::iterator it = m_layerUpdateSVGFilterElements.begin(), end = m_layerUpdateSVGFilterElements.end(); it != end; ++it)
         (*it)->setNeedsStyleRecalc(LocalStyleChange);
     m_layerUpdateSVGFilterElements.clear();
     return true;
 }
 
 void Document::scheduleSVGFilterLayerUpdateHack(Element& element)
 {
     if (element.styleChangeType() == NeedsReattachStyleChange)
         return;
     element.setSVGFilterNeedsLayerUpdate();
@@ skipping 18 matching lines @@
     m_useElementsNeedingUpdate.remove(&element);
 }
 
 void Document::updateUseShadowTreesIfNeeded()
 {
     ScriptForbiddenScope forbidScript;
 
     if (m_useElementsNeedingUpdate.isEmpty())
         return;
 
-    Vector<SVGUseElement*> elements;
+    WillBeHeapVector<RawPtrWillBeMember<SVGUseElement> > elements;
     copyToVector(m_useElementsNeedingUpdate, elements);
     m_useElementsNeedingUpdate.clear();
 
-    Vector<SVGUseElement*>::iterator end = elements.end();
-    for (Vector<SVGUseElement*>::iterator it = elements.begin(); it != end; ++it)
+    for (WillBeHeapVector<RawPtrWillBeMember<SVGUseElement> >::iterator it = elements.begin(), end = elements.end(); it != end; ++it)
         (*it)->buildPendingResource();
 }
 
 StyleResolver* Document::styleResolver() const
 {
     return m_styleEngine->resolver();
 }
 
 StyleResolver& Document::ensureStyleResolver() const
 {
@@ skipping 3674 matching lines @@
     visitor->trace(m_styleEngine);
     visitor->trace(m_formController);
     visitor->trace(m_domWindow);
     visitor->trace(m_fetcher);
     visitor->trace(m_parser);
     visitor->trace(m_contextFeatures);
     visitor->trace(m_styleSheetList);
     visitor->trace(m_mediaQueryMatcher);
     visitor->trace(m_registrationContext);
     visitor->trace(m_associatedFormControls);
+    visitor->trace(m_useElementsNeedingUpdate);
+    visitor->trace(m_layerUpdateSVGFilterElements);
     visitor->trace(m_templateDocument);
     visitor->trace(m_templateDocumentHost);
     visitor->trace(m_visibilityObservers);
     visitor->trace(m_userActionElements);
     visitor->trace(m_svgExtensions);
     visitor->trace(m_timeline);
     visitor->trace(m_compositorPendingAnimations);
     visitor->trace(m_contextDocument);
     visitor->registerWeakMembers<Document, &Document::clearWeakMembers>(this);
     DocumentSupplementable::trace(visitor);
     TreeScope::trace(visitor);
     ContainerNode::trace(visitor);
     ExecutionContext::trace(visitor);
 }
 
 } // namespace WebCore