Support indexed setter generation

Source/core/css/CSSStyleDeclaration.cpp

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 147 matching lines @@
     }
 
     String result = getPropertyValueInternal(static_cast<CSSPropertyID>(propInfo->propID));
     if (result.isNull())
         result = ""; // convert null to empty string.
 
     returnValue1 = result;
     returnValue1Enabled = true;
 }
 
-bool CSSStyleDeclaration::anonymousNamedSetter(const AtomicString& propertyName, const String& value, ExceptionCode& ec)
+bool CSSStyleDeclaration::anonymousNamedSetter(const AtomicString& propertyName, const String& value, bool isValueNull, bool isValueUndefined, ExceptionCode& ec)
 {
     String propertyValue = value;
     CSSPropertyInfo* propInfo = CSSStyleDeclaration::cssPropertyInfo(propertyName);
     if (!propInfo)
         return false;
 
     if (propInfo->hadPixelOrPosPrefix)
         propertyValue.append("px");
 
     this->setPropertyInternal(static_cast<CSSPropertyID>(propInfo->propID), propertyValue, false, ec);
 
     return true;
 }
 
 } // namespace WebCore