Oilpan: add Element/Node Member fields to stack allocated objects.

Source/core/dom/SelectorQuery.cpp

 /*
  * Copyright (C) 2011, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2014 Samsung Electronics. 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.
@@ skipping 45 matching lines @@
     ALWAYS_INLINE static void appendElement(OutputType& output, Node& element)
     {
         output.append(&element);
     }
 };
 
 enum ClassElementListBehavior { AllElements, OnlyRoots };
 
 template <ClassElementListBehavior onlyRoots>
 class ClassElementList {
+    STACK_ALLOCATED();
 public:
     ClassElementList(ContainerNode& rootNode, const AtomicString& className)
         : m_className(className)
-        , m_rootNode(rootNode)
+        , m_rootNode(&rootNode)
         , m_currentElement(nextInternal(ElementTraversal::firstWithin(rootNode))) { }
 
     bool isEmpty() const { return !m_currentElement; }
 
     Element* next()
     {
         Element* current = m_currentElement;
         ASSERT(current);
         if (onlyRoots)
-            m_currentElement = nextInternal(ElementTraversal::nextSkippingChildren(*m_currentElement, &m_rootNode));
+            m_currentElement = nextInternal(ElementTraversal::nextSkippingChildren(*m_currentElement, m_rootNode));
         else
-            m_currentElement = nextInternal(ElementTraversal::next(*m_currentElement, &m_rootNode));
+            m_currentElement = nextInternal(ElementTraversal::next(*m_currentElement, m_rootNode));
         return current;
     }
 
 private:
     Element* nextInternal(Element* element)
     {
-        for (; element; element = ElementTraversal::next(*element, &m_rootNode)) {
+        for (; element; element = ElementTraversal::next(*element, m_rootNode)) {
             if (element->hasClass() && element->classNames().contains(m_className))
                 return element;
         }
         return 0;
     }
 
     const AtomicString& m_className;
-    ContainerNode& m_rootNode;
-    Element* m_currentElement;
+    RawPtrWillBeMember<ContainerNode> m_rootNode;
+    RawPtrWillBeMember<Element> m_currentElement;
 };
 
 void SelectorDataList::initialize(const CSSSelectorList& selectorList)
 {
     ASSERT(m_selectors.isEmpty());
 
     unsigned selectorCount = 0;
     for (const CSSSelector* selector = selectorList.first(); selector; selector = CSSSelectorList::next(*selector))
         selectorCount++;
 
@@ skipping 407 matching lines @@
     m_entries.add(selectors, selectorQuery.release());
     return rawSelectorQuery;
 }
 
 void SelectorQueryCache::invalidate()
 {
     m_entries.clear();
 }
 
 }