Revert of Add template parameter to ElementTraversal to iterate over Elements of a specific type

Source/core/dom/NodeIterator.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 55 matching lines @@
         return false;
     if (!isPointerBeforeNode) {
         isPointerBeforeNode = true;
         return true;
     }
     node = NodeTraversal::previous(*node, root);
     return node;
 }
 
 NodeIterator::NodeIterator(PassRefPtr<Node> rootNode, unsigned whatToShow, PassRefPtr<NodeFilter> filter)
-    : NodeIteratorBase(rootNode, whatToShow, filter)
+    : Traversal(rootNode, whatToShow, filter)
     , m_referenceNode(root(), true)
     , m_detached(false)
 {
     ScriptWrappable::init(this);
     root()->document().attachNodeIterator(this);
 }
 
 NodeIterator::~NodeIterator()
 {
     root()->document().detachNodeIterator(this);
@@ skipping 132 matching lines @@
                     node = NodeTraversal::previous(*node, root());
             }
             if (node)
                 referenceNode.node = node;
         }
     }
 }
 
 
 } // namespace WebCore