Fix incorrect evaluation of resolution media queries

Source/core/css/CSSPrimitiveValue.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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.
  *
@@ skipping 121 matching lines @@
 
     // This enum follows the CSSParser::Units enum augmented with UNIT_FREQUENCY for frequencies.
     enum UnitCategory {
         UNumber,
         UPercent,
         ULength,
         UAngle,
         UTime,
         UFrequency,
         UViewportPercentageLength,
-#if ENABLE(RESOLUTION_MEDIA_QUERY)
         UResolution,
-#endif
         UOther
     };
 
     bool isAngle() const
     {
         return m_primitiveUnitType == CSS_DEG
                || m_primitiveUnitType == CSS_RAD
                || m_primitiveUnitType == CSS_GRAD
                || m_primitiveUnitType == CSS_TURN;
     }
@@ skipping 21 matching lines @@
     bool isShape() const { return m_primitiveUnitType == CSS_SHAPE; }
     bool isString() const { return m_primitiveUnitType == CSS_STRING; }
     bool isTime() const { return m_primitiveUnitType == CSS_S || m_primitiveUnitType == CSS_MS; }
     bool isURI() const { return m_primitiveUnitType == CSS_URI; }
     bool isCalculated() const { return m_primitiveUnitType == CSS_CALC; }
     bool isCalculatedPercentageWithNumber() const { return primitiveType() == CSS_CALC_PERCENTAGE_WITH_NUMBER; }
     bool isCalculatedPercentageWithLength() const { return primitiveType() == CSS_CALC_PERCENTAGE_WITH_LENGTH; }
     bool isDotsPerInch() const { return primitiveType() == CSS_DPI; }
     bool isDotsPerPixel() const { return primitiveType() == CSS_DPPX; }
     bool isDotsPerCentimeter() const { return primitiveType() == CSS_DPCM; }
+    bool isResolution() const
+    {
+        unsigned short type = primitiveType();
+        return type >= CSS_DPPX && type <= CSS_DPCM;
+    }
     bool isVariableName() const { return primitiveType() == CSS_VARIABLE_NAME; }
     bool isViewportPercentageLength() const { return m_primitiveUnitType >= CSS_VW && m_primitiveUnitType <= CSS_VMAX; }
     bool isFlex() const { return primitiveType() == CSS_FR; }
 
     static PassRefPtr<CSSPrimitiveValue> createIdentifier(int identifier) { return adoptRef(new CSSPrimitiveValue(identifier)); }
     static PassRefPtr<CSSPrimitiveValue> createColor(unsigned rgbValue) { return adoptRef(new CSSPrimitiveValue(rgbValue)); }
     static PassRefPtr<CSSPrimitiveValue> create(double value, UnitTypes type) { return adoptRef(new CSSPrimitiveValue(value, type)); }
     static PassRefPtr<CSSPrimitiveValue> create(const String& value, UnitTypes type) { return adoptRef(new CSSPrimitiveValue(value, type)); }
 
     template<typename T> static PassRefPtr<CSSPrimitiveValue> create(T value)
@@ skipping 176 matching lines @@
     ASSERT_WITH_SECURITY_IMPLICATION(!value || value->isPrimitiveValue());
     return static_cast<const CSSPrimitiveValue*>(value);
 }
 
 // Catch unneeded cast.
 void toCSSPrimitiveValue(const CSSPrimitiveValue*);
 
 } // namespace WebCore
 
 #endif // CSSPrimitiveValue_h