Use C++11 range-based loop for core/xml and core/loader

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 463 matching lines @@
     Parser* oldParser = currentParser;
     currentParser = this;
     int parseError = xpathyyparse(this);
     currentParser = oldParser;
 
     if (parseError) {
 #if !ENABLE(OILPAN)
         while (!m_parseNodes.isEmpty())
             delete m_parseNodes.takeAny();
 
-        HashSet<Vector<OwnPtr<Predicate> >*>::iterator pend = m_predicateVectors.end();
-        for (HashSet<Vector<OwnPtr<Predicate> >*>::iterator it = m_predicateVectors.begin(); it != pend; ++it)
-            delete *it;
+        for (auto& predicate : m_predicateVectors)
+            delete predicate;
         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;
+        for (auto& expression : m_expressionVectors)
+            delete expression;
         m_expressionVectors.clear();
 
         m_nodeTests.clear();
 #endif
 
         m_strings.clear();
 
         m_topExpr = nullptr;
 
         if (m_gotNamespaceError)
@@ skipping 130 matching lines @@
 #if !ENABLE(OILPAN)
     if (t == 0)
         return;
 
     ASSERT(m_nodeTests.contains(t));
 
     m_nodeTests.remove(t);
 #endif
 }