Remove font-variant CSSValueList conversion code

Source/core/css/CSSProperty.cpp

Index: Source/core/css/CSSProperty.cpp
diff --git a/Source/core/css/CSSProperty.cpp b/Source/core/css/CSSProperty.cpp
index 584b3dc21397315a1b68e0913db143ed77bd6ccf..cf22182b09bc2c471ee61796705a172cd52af30e 100644
--- a/Source/core/css/CSSProperty.cpp
+++ b/Source/core/css/CSSProperty.cpp
@@ -22,7 +22,6 @@
 #include "core/css/CSSProperty.h"
 
 #include "core/StylePropertyShorthand.h"
-#include "core/css/CSSValueList.h"
 #include "core/style/ComputedStyleConstants.h"
 
 namespace blink {
@@ -45,13 +44,6 @@ CSSPropertyID StylePropertyMetadata::shorthandID() const
     return shorthands.at(m_indexInShorthandsVector).id();
 }
 
-void CSSProperty::wrapValueInCommaSeparatedList()
-{
-    RefPtrWillBeRawPtr<CSSValue> value = m_value.release();
-    m_value = CSSValueList::createCommaSeparated();
-    toCSSValueList(m_value.get())->append(value.release());
-}
-
 enum LogicalBoxSide { BeforeSide, EndSide, AfterSide, StartSide };
 enum PhysicalBoxSide { TopSide, RightSide, BottomSide, LeftSide };