Oilpan: Replace RefPtrs to Node and its subclasses in core/xml/ with Oilpan transition types.

Source/core/xml/NativeXPathNSResolver.h

 /*
  * Copyright (C) 2007 Alexey Proskuryakov (ap@nypop.com)
  *
  * 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 17 matching lines @@
 
 #include "core/xml/XPathNSResolver.h"
 #include "wtf/RefPtr.h"
 
 namespace WebCore {
 
 class Node;
 
 class NativeXPathNSResolver FINAL : public XPathNSResolver {
 public:
-    static PassRefPtrWillBeRawPtr<NativeXPathNSResolver> create(PassRefPtr<Node> node)
+    static PassRefPtrWillBeRawPtr<NativeXPathNSResolver> create(PassRefPtrWillBeRawPtr<Node> node)
     {
         return adoptRefWillBeNoop(new NativeXPathNSResolver(node));
     }
     virtual ~NativeXPathNSResolver();
 
     virtual AtomicString lookupNamespaceURI(const String& prefix) OVERRIDE;
 
     virtual void trace(Visitor*) OVERRIDE;
 
 private:
-    explicit NativeXPathNSResolver(PassRefPtr<Node>);
-    RefPtr<Node> m_node;
+    explicit NativeXPathNSResolver(PassRefPtrWillBeRawPtr<Node>);
+
+    RefPtrWillBeMember<Node> m_node;
 };
 
 } // namespace WebCore
 
 #endif // NativeXPathNSResolver_h