Oilpan: move LiveNodeList collections to the heap.

Source/core/events/TreeScopeEventContext.cpp

 /*
  * Copyright (C) 2014 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 16 matching lines @@
 #include "config.h"
 #include "core/events/TreeScopeEventContext.h"
 
 #include "core/dom/StaticNodeList.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/events/EventPath.h"
 #include "core/events/TouchEventContext.h"
 
 namespace WebCore {
 
-PassRefPtr<NodeList> TreeScopeEventContext::ensureEventPath(EventPath& path)
+PassRefPtrWillBeRawPtr<NodeList> TreeScopeEventContext::ensureEventPath(EventPath& path)
 {
     if (m_eventPath)
         return m_eventPath;
 
     Vector<RefPtr<Node> > nodes;
     nodes.reserveInitialCapacity(path.size());
     for (size_t i = 0; i < path.size(); ++i) {
         if (path[i].treeScopeEventContext()->isInclusiveAncestorOf(*this))
             nodes.append(path[i].node());
     }
@@ skipping 27 matching lines @@
 int TreeScopeEventContext::calculatePrePostOrderNumber(int orderNumber)
 {
     m_preOrder = orderNumber;
     for (size_t i = 0; i < m_children.size(); ++i)
         orderNumber = m_children[i]->calculatePrePostOrderNumber(orderNumber + 1);
     m_postOrder = orderNumber + 1;
     return orderNumber + 1;
 }
 
 }