Remove font-variant CSSValueList conversion code

Source/core/css/CSSProperty.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.
  *
  * 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 58 matching lines @@
     {
     }
 
     CSSPropertyID id() const { return static_cast<CSSPropertyID>(m_metadata.m_propertyID); }
     bool isSetFromShorthand() const { return m_metadata.m_isSetFromShorthand; };
     CSSPropertyID shorthandID() const { return m_metadata.shorthandID(); };
     bool isImportant() const { return m_metadata.m_important; }
 
     CSSValue* value() const { return m_value.get(); }
 
-    void wrapValueInCommaSeparatedList();
-
     static CSSPropertyID resolveDirectionAwareProperty(CSSPropertyID, TextDirection, WritingMode);
     static bool isAffectedByAllProperty(CSSPropertyID);
 
     const StylePropertyMetadata& metadata() const { return m_metadata; }
 
     DEFINE_INLINE_TRACE() { visitor->trace(m_value); }
 
 private:
     StylePropertyMetadata m_metadata;
     RefPtrWillBeMember<CSSValue> m_value;
@@ skipping 68 matching lines @@
     default:
         return propId;
     }
 }
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::CSSProperty);
 
 #endif // CSSProperty_h