Generate toCSSFooValue() for CSS child values

Source/core/css/CSSPrimitiveValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 367 matching lines @@
         Counter* counter;
         Rect* rect;
         Quad* quad;
         unsigned rgbcolor;
         Pair* pair;
         CSSBasicShape* shape;
         CSSCalcValue* calc;
     } m_value;
 };
 
-inline CSSPrimitiveValue* toCSSPrimitiveValue(CSSValue* value)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isPrimitiveValue());
-    return static_cast<CSSPrimitiveValue*>(value);
-}
-
-inline const CSSPrimitiveValue* toCSSPrimitiveValue(const CSSValue* value)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isPrimitiveValue());
-    return static_cast<const CSSPrimitiveValue*>(value);
-}
-
-// Catch unneeded cast.
-void toCSSPrimitiveValue(const CSSPrimitiveValue*);
+DEFINE_CSS_VALUE_TYPE_CASTS(PrimitiveValue);
 
 } // namespace WebCore
 
 #endif // CSSPrimitiveValue_h