Generate toCSSFooValue for CSSFunctionValue and CSSSVGDocumentValue

Source/core/css/CSSFunctionValue.h

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * 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 41 matching lines @@
     CSSValueList* arguments() const { return m_args.get(); }
 
 private:
     explicit CSSFunctionValue(CSSParserFunction*);
     CSSFunctionValue(String, PassRefPtr<CSSValueList>);
 
     String m_name;
     RefPtr<CSSValueList> m_args;
 };
 
-inline CSSFunctionValue* toCSSFunctionValue(CSSValue* value)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(value->isFunctionValue());
-    return static_cast<CSSFunctionValue*>(value);
-}
-
-inline const CSSFunctionValue* toCSSFunctionValue(const CSSValue* value)
-{
-    ASSERT_WITH_SECURITY_IMPLICATION(value->isFunctionValue());
-    return static_cast<const CSSFunctionValue*>(value);
-}
-
-// Catch any unneeded cast.
-void toCSSFunctionValue(const CSSFunctionValue*);
+DEFINE_CSS_VALUE_TYPE_CASTS(FunctionValue);
 
 } // namespace WebCore
 
 #endif