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

Source/core/css/CSSParserValues.cpp

 /*
  * Copyright (C) 2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 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 18 matching lines @@
 namespace WebCore {
 
 using namespace WTF;
 
 CSSParserValueList::~CSSParserValueList()
 {
     size_t numValues = m_values.size();
     for (size_t i = 0; i < numValues; i++) {
         if (m_values[i].unit == CSSParserValue::Function)
             delete m_values[i].function;
+        else if (m_values[i].unit == CSSParserValue::ValueList)
+            delete m_values[i].valueList;
     }
 }
 
 void CSSParserValueList::addValue(const CSSParserValue& v)
 {
     m_values.append(v);
 }
 
 void CSSParserValueList::insertValueAt(unsigned i, const CSSParserValue& v)
 {
@@ skipping 17 matching lines @@
     if (id)
         return CSSPrimitiveValue::createIdentifier(id);
 
     if (unit == CSSParserValue::Operator) {
         RefPtr<CSSPrimitiveValue> primitiveValue = CSSPrimitiveValue::createParserOperator(iValue);
         primitiveValue->setPrimitiveType(CSSPrimitiveValue::CSS_PARSER_OPERATOR);
         return primitiveValue;
     }
     if (unit == CSSParserValue::Function)
         return CSSFunctionValue::create(function);
+    if (unit == CSSParserValue::ValueList)
+        return CSSValueList::createFromParserValueList(valueList);
     if (unit >= CSSParserValue::Q_EMS)
         return CSSPrimitiveValue::createAllowingMarginQuirk(fValue, CSSPrimitiveValue::CSS_EMS);
 
     CSSPrimitiveValue::UnitTypes primitiveUnit = static_cast<CSSPrimitiveValue::UnitTypes>(unit);
     switch (primitiveUnit) {
     case CSSPrimitiveValue::CSS_IDENT:
     case CSSPrimitiveValue::CSS_PROPERTY_ID:
     case CSSPrimitiveValue::CSS_VALUE_ID:
         return CSSPrimitiveValue::create(string, CSSPrimitiveValue::CSS_PARSER_IDENTIFIER);
     case CSSPrimitiveValue::CSS_NUMBER:
@@ skipping 143 matching lines @@
     CSSParserSelector* selector = const_cast<CSSParserSelector*>(this);
     do {
         if (selector->isDistributedPseudoElement())
             return selector;
     } while ((selector = selector->tagHistory()));
     return 0;
 }
 
 }