Wrap CSS length conversion arguments in an object

Source/core/css/resolver/FilterOperationResolver.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 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 FilterOperationResolver_h
 #define FilterOperationResolver_h
 
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/platform/graphics/filters/FilterOperations.h"
 
 namespace WebCore {
 
+class CSSToLengthConversionData;
 class CSSValue;
-class RenderStyle;
 
 class FilterOperationResolver {
 private:
     FilterOperationResolver();
 public:
-    static bool createFilterOperations(CSSValue* inValue, const RenderStyle* inStyle, const RenderStyle* rootStyle, FilterOperations& outOperations, StyleResolverState&);
+    static bool createFilterOperations(CSSValue* inValue, const CSSToLengthConversionData&, FilterOperations& outOperations, StyleResolverState&);
 };
 
 } // namespace WebCore
 
 #endif // FilterOperationResolver_h