Make the CSS interface members static

Source/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 24 matching lines @@
 #include "core/css/parser/CSSParser.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 PassRefPtrWillBeRawPtr<DOMWindowCSS> DOMWindowCSS::create()
 {
     return adoptRefWillBeNoop(new DOMWindowCSS());
 }
 
-bool DOMWindowCSS::supports(const String& property, const String& value) const
+bool DOMWindowCSS::supports(const String& property, const String& value)
 {
     CSSPropertyID unresolvedProperty = unresolvedCSSPropertyID(property);
     if (unresolvedProperty == CSSPropertyInvalid)
         return false;
     ASSERT(CSSPropertyMetadata::isEnabledProperty(unresolvedProperty));
 
     // This will return false when !important is present
     RefPtrWillBeRawPtr<MutableStylePropertySet> dummyStyle = MutableStylePropertySet::create();
     return CSSParser::parseValue(dummyStyle.get(), unresolvedProperty, value, false, HTMLStandardMode, 0);
 }
 
-bool DOMWindowCSS::supports(const String& conditionText) const
+bool DOMWindowCSS::supports(const String& conditionText)
 {
     return CSSParser::parseSupportsCondition(conditionText);
 }
 
 }