Introduce DEFINE_RENDER_OBJECT_TYPE_CASTS to replace manual toRenderFoo, and use it

Source/core/rendering/RenderTable.h

 /*
  * Copyright (C) 1997 Martin Jones (mjones@kde.org)
  *           (C) 1997 Torben Weis (weis@kde.org)
  *           (C) 1998 Waldo Bastian (bastian@kde.org)
  *           (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2009, 2010 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 332 matching lines @@
 inline RenderTableSection* RenderTable::topSection() const
 {
     ASSERT(!needsSectionRecalc());
     if (m_head)
         return m_head;
     if (m_firstBody)
         return m_firstBody;
     return m_foot;
 }
 
-inline RenderTable* toRenderTable(RenderObject* object)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTable());
-    return static_cast<RenderTable*>(object);
-}
-
-inline const RenderTable* toRenderTable(const RenderObject* object)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!object || object->isTable());
-    return static_cast<const RenderTable*>(object);
-}
-
-// This will catch anyone doing an unnecessary cast.
-void toRenderTable(const RenderTable*);
+DEFINE_RENDER_OBJECT_TYPE_CASTS(RenderTable, isTable());
 
 } // namespace WebCore
 
 #endif // RenderTable_h