Split out CSSParser public API

Source/core/css/CSSPrimitiveValue.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2012 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 687 matching lines @@
     return result;
 }
 
 double CSSPrimitiveValue::getDoubleValue() const
 {
     return m_primitiveUnitType != CSS_CALC ? m_value.num : m_value.calc->doubleValue();
 }
 
 CSSPrimitiveValue::UnitTypes CSSPrimitiveValue::canonicalUnitTypeForCategory(UnitCategory category)
 {
-    // The canonical unit type is chosen according to the way BisonCSSParser::validUnit() chooses the default unit
-    // in each category (based on unitflags).
+    // The canonical unit type is chosen according to the way CSSParser::validUnit()
+    // chooses the default unit in each category (based on unitflags).
     switch (category) {
     case UNumber:
         return CSS_NUMBER;
     case ULength:
         return CSS_PX;
     case UPercent:
         return CSS_UNKNOWN; // Cannot convert between numbers and percent.
     case UTime:
         return CSS_MS;
     case UAngle:
@@ skipping 32 matching lines @@
         return false;
 
     if (targetCategory == UNumber) {
         // We interpret conversion to CSS_NUMBER as conversion to a canonical unit in this value's category.
         targetUnitType = canonicalUnitTypeForCategory(sourceCategory);
         if (targetUnitType == CSS_UNKNOWN)
             return false;
     }
 
     if (sourceUnitType == CSS_NUMBER) {
-        // We interpret conversion from CSS_NUMBER in the same way as BisonCSSParser::validUnit() while using non-strict mode.
+        // We interpret conversion from CSS_NUMBER in the same way as
+        // CSSParser::validUnit() while using non-strict mode.
         sourceUnitType = canonicalUnitTypeForCategory(targetCategory);
         if (sourceUnitType == CSS_UNKNOWN)
             return false;
     }
 
     double convertedValue = getDoubleValue();
 
     // First convert the value from m_primitiveUnitType to canonical type.
     double factor = conversionToCanonicalUnitsScaleFactor(sourceUnitType);
     convertedValue *= factor;
@@ skipping 527 matching lines @@
         return m_value.parserOperator == other.m_value.parserOperator;
     case CSS_CALC:
         return m_value.calc && other.m_value.calc && m_value.calc->equals(*other.m_value.calc);
     case CSS_SHAPE:
         return m_value.shape && other.m_value.shape && m_value.shape->equals(*other.m_value.shape);
     }
     return false;
 }
 
 } // namespace WebCore