Make sure to use CSSValueID and CSSPropertyID rather than integers.

Source/core/css/CSSValuePool.cpp

 /*
  * Copyright (C) 2011, 2012 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 30 matching lines @@
 CSSValuePool::CSSValuePool()
     : m_inheritedValue(CSSInheritedValue::create())
     , m_implicitInitialValue(CSSInitialValue::createImplicit())
     , m_explicitInitialValue(CSSInitialValue::createExplicit())
     , m_colorTransparent(CSSPrimitiveValue::createColor(Color::transparent))
     , m_colorWhite(CSSPrimitiveValue::createColor(Color::white))
     , m_colorBlack(CSSPrimitiveValue::createColor(Color::black))
 {
 }
 
-PassRefPtr<CSSPrimitiveValue> CSSValuePool::createIdentifierValue(int ident)
+PassRefPtr<CSSPrimitiveValue> CSSValuePool::createIdentifierValue(CSSValueID ident)
 {
-    if (ident <= 0 || ident >= numCSSValueKeywords)
+    if (ident <= 0)
         return CSSPrimitiveValue::createIdentifier(ident);
 
     if (!m_identifierValueCache[ident])
         m_identifierValueCache[ident] = CSSPrimitiveValue::createIdentifier(ident);
     return m_identifierValueCache[ident];
 }
 
+PassRefPtr<CSSPrimitiveValue> CSSValuePool::createIdentifierValue(CSSPropertyID ident)
+{
+    return CSSPrimitiveValue::createIdentifier(ident);
+}
+
 PassRefPtr<CSSPrimitiveValue> CSSValuePool::createColorValue(unsigned rgbValue)
 {
     // These are the empty and deleted values of the hash table.
     if (rgbValue == Color::transparent)
         return m_colorTransparent;
     if (rgbValue == Color::white)
         return m_colorWhite;
     // Just because it is common.
     if (rgbValue == Color::black)
         return m_colorBlack;
@@ skipping 70 matching lines @@
         m_identifierValueCache[i] = 0;
 
     for (int i = 0; i < maximumCacheableIntegerValue; ++i) {
         m_pixelValueCache[i] = 0;
         m_percentValueCache[i] = 0;
         m_numberValueCache[i] = 0;
     }
 }
 
 }