Reduce the size of Node by 8 bytes on 64bit with gcc/clang compilers

Source/core/dom/Node.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 89 matching lines @@
 
 protected:
     NodeRareDataBase(RenderObject* renderer)
         : m_renderer(renderer)
     { }
 
 private:
     RenderObject* m_renderer;
 };
 
-class Node : public TreeSharedWillBeRefCountedGarbageCollected<Node>, public EventTarget, public ScriptWrappable {
+class Node : public EventTarget, public ScriptWrappable, public TreeSharedWillBeRefCountedGarbageCollected<Node> {
     friend class Document;
     friend class TreeScope;
     friend class TreeScopeAdopter;
 
     DEFINE_EVENT_TARGET_REFCOUNTING(TreeSharedWillBeRefCountedGarbageCollected<Node>);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(Node);
 public:
     enum NodeType {
         ELEMENT_NODE = 1,
         ATTRIBUTE_NODE = 2,
@@ skipping 786 matching lines @@
 } // namespace WebCore
 
 #ifndef NDEBUG
 // Outside the WebCore namespace for ease of invocation from gdb.
 void showNode(const WebCore::Node*);
 void showTree(const WebCore::Node*);
 void showNodePath(const WebCore::Node*);
 #endif
 
 #endif