[CSS Grid Layout] Update named grid lines syntax to the last version of the specs

Source/core/css/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 123 matching lines @@
 struct CSSParserFunction;
 
 struct CSSParserValue {
     CSSValueID id;
     bool isInt;
     union {
         double fValue;
         int iValue;
         CSSParserString string;
         CSSParserFunction* function;
+        CSSParserValueList* valueList;
     };
     enum {
-        Operator = 0x100000,
-        Function = 0x100001,
-        Q_EMS    = 0x100002
+        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>);
 
     PassRefPtr<CSSValue> createCSSValue();
 };
 
 class CSSParserValueList {
     WTF_MAKE_FAST_ALLOCATED;
 public:
     CSSParserValueList()
         : m_current(0)
     {
@@ skipping 94 matching lines @@
     this->unit = unit;
 }
 
 inline void CSSParserValue::setFromFunction(CSSParserFunction* function)
 {
     id = CSSValueInvalid;
     this->function = function;
     unit = Function;
 }
 
+inline void CSSParserValue::setFromValueList(PassOwnPtr<CSSParserValueList> valueList)
+{
+    id = CSSValueInvalid;
+    this->valueList = valueList.leakPtr();
+    unit = ValueList;
+}
+
 }
 
 #endif