Remove UseCounter

sky/engine/core/css/DOMWindowCSS.cpp

 /*
  * Copyright (C) 2012 Motorola Mobility 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
@@ skipping 42 matching lines @@
 
     if (normalizedValue.isEmpty())
         return false;
 
     RefPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
     return BisonCSSParser::parseValue(dummyStyle.get(), propertyID, normalizedValue, HTMLStandardMode, 0);
 }
 
 bool DOMWindowCSS::supports(const String& conditionText) const
 {
-    CSSParserContext context(0);
+    CSSParserContext context;
     BisonCSSParser parser(context);
     return parser.parseSupportsCondition(conditionText);
 }
 
 }