Split CSSPrimitiveValue into CSSPrimitiveValue and CSSIdentifierValue

third_party/WebKit/Source/core/css/MediaQueryExp.cpp

 /*
  * CSS Media Query
  *
  * Copyright (C) 2006 Kimmo Kinnunen <kimmo.t.kinnunen@nokia.com>.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  * Copyright (C) 2013 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:
@@ skipping 203 matching lines @@
     if (tokenList.size() == 0 && featureWithoutValue(lowerMediaFeature)) {
         // Valid, creates a MediaQueryExp with an 'invalid' MediaQueryExpValue
     } else if (tokenList.size() == 1) {
         CSSParserToken token = tokenList.first();
 
         if (token.type() == IdentToken) {
             CSSValueID ident = token.id();
             if (!featureWithValidIdent(lowerMediaFeature, ident))
                 return nullptr;
             expValue.id = ident;
-            expValue.unit = CSSPrimitiveValue::UnitType::ValueID;
             expValue.isID = true;
         } else if (token.type() == NumberToken || token.type() == PercentageToken || token.type() == DimensionToken) {
             // Check for numeric token types since it is only safe for these types to call numericValue.
             if (featureWithValidDensity(lowerMediaFeature, token)
                 || featureWithValidPositiveLength(lowerMediaFeature, token)) {
                 // Media features that must have non-negative <density>, ie. dppx, dpi or dpcm,
                 // or Media features that must have non-negative <length> or number value.
                 expValue.value = token.numericValue();
                 expValue.unit = token.unitType();
                 expValue.isValue = true;
@@ skipping 76 matching lines @@
         output.append('/');
         output.append(printNumber(denominator));
     } else if (isID) {
         output.append(getValueName(id));
     }
 
     return output.toString();
 }
 
 } // namespace blink