Add *CSS* prefix to FontValue and FontFeatureValue

Source/core/css/FontValue.h

-/*
- * (C) 1999-2003 Lars Knoll (knoll@kde.org)
- * Copyright (C) 2004, 2005, 2006, 2008 Apple Inc. All rights reserved.
- *
- * 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,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Library General Public License for more details.
- *
- * You should have received a copy of the GNU Library General Public License
- * along with this library; see the file COPYING.LIB.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
- * Boston, MA 02110-1301, USA.
- */
-
-#ifndef FontValue_h
-#define FontValue_h
-
-#include "core/css/CSSValue.h"
-#include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
-
-namespace WebCore {
-
-class CSSPrimitiveValue;
-class CSSValueList;
-
-class FontValue : public CSSValue {
-public:
-    static PassRefPtr<FontValue> create()
-    {
-        return adoptRef(new FontValue);
-    }
-
-    String customCssText() const;
-
-    bool equals(const FontValue&) const;
-
-    RefPtr<CSSPrimitiveValue> style;
-    RefPtr<CSSPrimitiveValue> variant;
-    RefPtr<CSSPrimitiveValue> weight;
-    RefPtr<CSSPrimitiveValue> size;
-    RefPtr<CSSPrimitiveValue> lineHeight;
-    RefPtr<CSSValueList> family;
-
-private:
-    FontValue()
-        : CSSValue(FontClass)
-    {
-    }
-};
-
-} // namespace
-
-#endif