Make sure to use CSSValueID and CSSPropertyID rather than integers.

Source/core/dom/StyledElement.h

Index: Source/core/dom/StyledElement.h
diff --git a/Source/core/dom/StyledElement.h b/Source/core/dom/StyledElement.h
index c6811a9e316447b306f67e1bbd16d292eacd0ef1..a93efe2b99217224050b819c5f998f02fc664a52 100644
--- a/Source/core/dom/StyledElement.h
+++ b/Source/core/dom/StyledElement.h
@@ -47,7 +47,8 @@ public:
 
     const StylePropertySet* inlineStyle() const { return elementData() ? elementData()->m_inlineStyle.get() : 0; }
     
-    bool setInlineStyleProperty(CSSPropertyID, int identifier, bool important = false);
+    bool setInlineStyleProperty(CSSPropertyID, CSSValueID identifier, bool important = false);
+    bool setInlineStyleProperty(CSSPropertyID, CSSPropertyID identifier, bool important = false);
     bool setInlineStyleProperty(CSSPropertyID, double value, CSSPrimitiveValue::UnitTypes, bool important = false);
     bool setInlineStyleProperty(CSSPropertyID, const String& value, bool important = false);
     bool removeInlineStyleProperty(CSSPropertyID);
@@ -70,7 +71,7 @@ protected:
 
     virtual bool isPresentationAttribute(const QualifiedName&) const { return false; }
 
-    void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, int identifier);
+    void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, CSSValueID identifier);
     void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, double value, CSSPrimitiveValue::UnitTypes);
     void addPropertyToPresentationAttributeStyle(MutableStylePropertySet*, CSSPropertyID, const String& value);