Split out String, URI and CustomIdent from CSSPrimitiveValue

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 45 matching lines @@
         Operator  = 0x100000,
         Function  = 0x100001,
         CalcFunction  = 0x100002,
         ValueList = 0x100003,
         HexColor = 0x100004,
         Identifier = 0x100005,
         // Represents a dimension by a list of two values, a UnitType::Number and an Identifier
         DimensionList = 0x100006,
         // Represents a unicode range by a pair of UChar32 values
         UnicodeRange = 0x100007,
+        URI = 0x100008,
+        String = 0x100009,
     };
     int m_unit;
     CSSPrimitiveValue::UnitType unit() const { return static_cast<CSSPrimitiveValue::UnitType>(m_unit); }
     void setUnit(CSSPrimitiveValue::UnitType unit) { m_unit = static_cast<int>(unit); }
 
     inline void setFromNumber(double value, CSSPrimitiveValue::UnitType);
     inline void setFromOperator(UChar);
     inline void setFromValueList(PassOwnPtr<CSSParserValueList>);
 };
 
@@ skipping 71 matching lines @@
 {
     id = CSSValueInvalid;
     this->valueList = valueList.leakPtr();
     m_unit = ValueList;
     isInt = false;
 }
 
 }
 
 #endif