CSSValue Immediates: Make CSSPrimitiveValue a container

Source/core/css/StylePropertySet.cpp

Index: Source/core/css/StylePropertySet.cpp
diff --git a/Source/core/css/StylePropertySet.cpp b/Source/core/css/StylePropertySet.cpp
index 4faea219044b1a2edac335dcdd63184cc360f449..78d600fa42a745186c47def4ecc99be6b5d77c6e 100644
--- a/Source/core/css/StylePropertySet.cpp
+++ b/Source/core/css/StylePropertySet.cpp
@@ -250,6 +250,11 @@ bool MutableStylePropertySet::setProperty(CSSPropertyID unresolvedProperty, cons
     return CSSParser::parseValue(this, unresolvedProperty, value, important, cssParserMode(), contextStyleSheet);
 }
 
+void MutableStylePropertySet::setProperty(CSSPropertyID propertyID, CSSPrimitiveValue prpValue, bool important)
+{
+    setProperty(propertyID, CSSValue(prpValue), important);
+}
+
 void MutableStylePropertySet::setProperty(CSSPropertyID propertyID, CSSValue prpValue, bool important)
 {
     StylePropertyShorthand shorthand = shorthandForProperty(propertyID);