Remove CSSParserValue::createCSSValue and unused callers

Source/core/css/parser/CSSParserValues.h

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008, 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 118 matching lines @@
     bool m_is8Bit;
 };
 
 template <>
 inline const LChar* CSSParserString::characters<LChar>() const { return characters8(); }
 
 template <>
 inline const UChar* CSSParserString::characters<UChar>() const { return characters16(); }
 
 struct CSSParserFunction;
+class CSSParserValueList;
 
 struct CSSParserValue {
     CSSValueID id;
     bool isInt;
     union {
         double fValue;
         int iValue;
         CSSParserString string;
         CSSParserFunction* function;
         CSSParserValueList* valueList;
     };
     enum {
         Operator  = 0x100000,
         Function  = 0x100001,
         ValueList = 0x100002,
         Q_EMS     = 0x100003,
     };
     int unit;
 
     inline void setFromNumber(double value, int unit = CSSPrimitiveValue::CSS_NUMBER);
     inline void setFromFunction(CSSParserFunction*);
     inline void setFromValueList(PassOwnPtr<CSSParserValueList>);
-
-    PassRefPtrWillBeRawPtr<CSSValue> createCSSValue();
 };
 
 class CSSParserValueList {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     CSSParserValueList()
         : m_current(0)
     {
     }
     ~CSSParserValueList();
@@ skipping 108 matching lines @@
 {
     id = CSSValueInvalid;
     this->valueList = valueList.leakPtr();
     unit = ValueList;
     isInt = false;
 }
 
 }
 
 #endif