Oilpan: add transition types to shadow DOM supporting objects.

Source/core/dom/shadow/InsertionPoint.h

 /*
  * 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 50 matching lines @@
 
     bool shouldUseFallbackElements() const;
 
     size_t size() const { return m_distribution.size(); }
     Node* at(size_t index)  const { return m_distribution.at(index).get(); }
     Node* first() const { return m_distribution.isEmpty() ? 0 : m_distribution.first().get(); }
     Node* last() const { return m_distribution.isEmpty() ? 0 : m_distribution.last().get(); }
     Node* nextTo(const Node* node) const { return m_distribution.nextTo(node); }
     Node* previousTo(const Node* node) const { return m_distribution.previousTo(node); }
 
+    virtual void trace(Visitor*) OVERRIDE;
+
 protected:
     InsertionPoint(const QualifiedName&, Document&);
     virtual bool rendererIsNeeded(const RenderStyle&) OVERRIDE;
     virtual void childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta) OVERRIDE;
     virtual InsertionNotificationRequest insertedInto(ContainerNode*) OVERRIDE;
     virtual void removedFrom(ContainerNode*) OVERRIDE;
     virtual void willRecalcStyle(StyleRecalcChange) OVERRIDE;
 
 private:
     ContentDistribution m_distribution;
     bool m_registeredWithShadowRoot;
 };
 
-typedef Vector<RefPtr<InsertionPoint> > DestinationInsertionPoints;
+typedef WillBeHeapVector<RefPtrWillBeMember<InsertionPoint> > DestinationInsertionPoints;
 
 DEFINE_ELEMENT_TYPE_CASTS(InsertionPoint, isInsertionPoint());
 
 inline bool isActiveInsertionPoint(const Node& node)
 {
     return node.isInsertionPoint() && toInsertionPoint(node).isActive();
 }
 
 inline bool isActiveShadowInsertionPoint(const Node& node)
 {
     return node.isInsertionPoint() && toInsertionPoint(node).isShadowInsertionPoint();
 }
 
 inline ElementShadow* shadowWhereNodeCanBeDistributed(const Node& node)
 {
     Node* parent = node.parentNode();
     if (!parent)
         return 0;
     if (parent->isShadowRoot() && !toShadowRoot(parent)->isYoungest())
         return node.shadowHost()->shadow();
     if (isActiveInsertionPoint(*parent))
         return node.shadowHost()->shadow();
     if (parent->isElementNode())
         return toElement(parent)->shadow();
     return 0;
 }
 
 const InsertionPoint* resolveReprojection(const Node*);
 
-void collectDestinationInsertionPoints(const Node&, Vector<InsertionPoint*, 8>& results);
+void collectDestinationInsertionPoints(const Node&, WillBeHeapVector<RawPtrWillBeMember<InsertionPoint>, 8>& results);
 
 } // namespace WebCore
 
 #endif // InsertionPoint_h