[WIP] do something :-)

Source/core/dom/Node.cpp

 /*
  * 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 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 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
@@ skipping 72 matching lines @@
 #include "core/page/ContextMenuController.h"
 #include "core/page/Page.h"
 #include "core/svg/graphics/SVGImage.h"
 #include "platform/EventDispatchForbiddenScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "wtf/HashSet.h"
 #include "wtf/Partitions.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/RefCountedLeakCounter.h"
+#include "wtf/SizeAssertions.h"
 #include "wtf/Vector.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
 
 using namespace HTMLNames;
 
-struct SameSizeAsNode : NODE_BASE_CLASSES {
-    uint32_t m_nodeFlags;
-    void* m_pointer[5];
-};
-
-static_assert(sizeof(Node) <= sizeof(SameSizeAsNode), "Node should stay small");
+ASSERT_SIZE(Node, 36, 64);
 
 #if !ENABLE(OILPAN)
 void* Node::operator new(size_t size)
 {
     ASSERT(isMainThread());
     return partitionAlloc(WTF::Partitions::nodePartition(), size);
 }
 
 void Node::operator delete(void* ptr)
 {
@@ skipping 2274 matching lines @@
 
 void showNodePath(const blink::Node* node)
 {
     if (node)
         node->showNodePathForThis();
     else
         fprintf(stderr, "Cannot showNodePath for (nil)\n");
 }
 
 #endif