Cleanup WebKit prefixed names for classes in css directory.

Source/core/css/CSSMixFunctionValue.h

 /*
  * Copyright (C) 2012 Adobe Systems Incorporated. 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 THE COPYRIGHT HOLDER “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 THE COPYRIGHT HOLDER 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 WebKitCSSMixFunctionValue_h
-#define WebKitCSSMixFunctionValue_h
+#ifndef CSSMixFunctionValue_h
+#define CSSMixFunctionValue_h
 
 #include "core/css/CSSValueList.h"
-#include <wtf/PassRefPtr.h>
+#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
-class WebKitCSSMixFunctionValue : public CSSValueList {
+class CSSMixFunctionValue : public CSSValueList {
 public:
-    static PassRefPtr<WebKitCSSMixFunctionValue> create()
+    static PassRefPtr<CSSMixFunctionValue> create()
     {
-        return adoptRef(new WebKitCSSMixFunctionValue());
+        return adoptRef(new CSSMixFunctionValue());
     }
 
     String customCssText() const;
 
-    PassRefPtr<WebKitCSSMixFunctionValue> cloneForCSSOM() const;
+    PassRefPtr<CSSMixFunctionValue> cloneForCSSOM() const;
 
-    bool equals(const WebKitCSSMixFunctionValue&) const;
+    bool equals(const CSSMixFunctionValue&) const;
 
     void reportDescendantMemoryUsage(MemoryObjectInfo*) const;
 
 private:
-    WebKitCSSMixFunctionValue();
-    WebKitCSSMixFunctionValue(const WebKitCSSMixFunctionValue& cloneFrom);
+    CSSMixFunctionValue();
+    CSSMixFunctionValue(const CSSMixFunctionValue& cloneFrom);
 };
-    
+
 } // namespace WebCore
 
 
 #endif