Enable WTF::HashSet<OwnPtr<> >

Source/core/xml/XPathParser.cpp

 /*
  * Copyright 2005 Maksim Orlovich <maksim@kde.org>
  * Copyright (C) 2006 Apple Computer, Inc.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  *
  * 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
@@ skipping 470 matching lines @@
         HashSet<Vector<OwnPtr<Predicate> >*>::iterator pend = m_predicateVectors.end();
         for (HashSet<Vector<OwnPtr<Predicate> >*>::iterator it = m_predicateVectors.begin(); it != pend; ++it)
             delete *it;
         m_predicateVectors.clear();
 
         HashSet<Vector<OwnPtr<Expression> >*>::iterator eend = m_expressionVectors.end();
         for (HashSet<Vector<OwnPtr<Expression> >*>::iterator it = m_expressionVectors.begin(); it != eend; ++it)
             delete *it;
         m_expressionVectors.clear();
 
-        deleteAllValues(m_strings);
         m_strings.clear();
 
-        deleteAllValues(m_nodeTests);
         m_nodeTests.clear();
 
         m_topExpr = 0;
 
         if (m_gotNamespaceError)
             exceptionState.throwDOMException(NamespaceError, "The string '" + statement + "' contains unresolvable namespaces.");
         else
             exceptionState.throwDOMException(SyntaxError, "The string '" + statement + "' is not a valid XPath expression.");
         return 0;
     }
@@ skipping 75 matching lines @@
     delete vector;
 }
 
 void Parser::registerString(String* s)
 {
     if (s == 0)
         return;
 
     ASSERT(!m_strings.contains(s));
 
-    m_strings.add(s);
+    m_strings.add(adoptPtr(s));
 }
 
 void Parser::deleteString(String* s)
 {
     if (s == 0)
         return;
 
     ASSERT(m_strings.contains(s));
 
     m_strings.remove(s);
-    delete s;
 }
 
 void Parser::registerNodeTest(Step::NodeTest* t)
 {
     if (t == 0)
         return;
 
     ASSERT(!m_nodeTests.contains(t));
 
-    m_nodeTests.add(t);
+    m_nodeTests.add(adoptPtr(t));
 }
 
 void Parser::deleteNodeTest(Step::NodeTest* t)
 {
     if (t == 0)
         return;
 
     ASSERT(m_nodeTests.contains(t));
 
     m_nodeTests.remove(t);
-    delete t;
 }