Add *CSS* prefix to FontValue and FontFeatureValue

Source/core/css/CSSFontFeatureValue.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef FontFeatureValue_h
-#define FontFeatureValue_h
+#ifndef CSSFontFeatureValue_h
+#define CSSFontFeatureValue_h
 
 #include "core/css/CSSValue.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebCore {
 
-class FontFeatureValue : public CSSValue {
+class CSSFontFeatureValue : public CSSValue {
 public:
-    static PassRefPtr<FontFeatureValue> create(const String& tag, int value)
+    static PassRefPtr<CSSFontFeatureValue> create(const String& tag, int value)
     {
-        return adoptRef(new FontFeatureValue(tag, value));
+        return adoptRef(new CSSFontFeatureValue(tag, value));
     }
 
     const String& tag() const { return m_tag; }
     int value() const { return m_value; }
     String customCssText() const;
 
-    bool equals(const FontFeatureValue&) const;
+    bool equals(const CSSFontFeatureValue&) const;
 
 private:
-    FontFeatureValue(const String&, int);
+    CSSFontFeatureValue(const String&, int);
 
     String m_tag;
     const int m_value;
 };
 
+DEFINE_CSS_VALUE_TYPE_CASTS(FontFeatureValue);
+
 } // namespace
 
 #endif