Get rid of SelectorCheckingContext.

sky/engine/core/html/HTMLContentElement.cpp

 /*
  * Copyright (C) 2011 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.
  *     * Neither the name of Google Inc. nor the names of its
@@ skipping 89 matching lines @@
         if (allowAnyPseudoClasses)
             continue;
         for (const CSSSelector* subSelector = selector; subSelector; subSelector = subSelector->tagHistory()) {
             if (includesDisallowedPseudoClass(*subSelector))
                 return false;
         }
     }
     return true;
 }
 
-static inline bool checkOneSelector(const CSSSelector& selector, const Vector<RawPtr<Node>, 32>& siblings, int nth)
-{
-    Element* element = toElement(siblings[nth]);
-    SelectorChecker selectorChecker;
-    SelectorChecker::SelectorCheckingContext context(selector, element);
-    return selectorChecker.match(context);
-}
-
 bool HTMLContentElement::matchSelector(const Vector<RawPtr<Node>, 32>& siblings, int nth) const
 {
     for (const CSSSelector* selector = selectorList().first(); selector; selector = CSSSelectorList::next(*selector)) {
-        if (checkOneSelector(*selector, siblings, nth))
+        Element* element = toElement(siblings[nth]);
+        SelectorChecker checker(*element);
+        if (checker.match(*selector, element))
             return true;
     }
     return false;
 }
 
 }