Remove unused feature ElementSetAttributeNodeNS

LayoutTests/dom/xhtml/level3/core/nodelookupprefix16.js

 
 /*
 Copyright © 2001-2004 World Wide Web Consortium, 
 (Massachusetts Institute of Technology, European Research Consortium 
 for Informatics and Mathematics, Keio University). All 
 Rights Reserved. This work is distributed under the W3C® Software License [1] in the 
 hope that it will be useful, but WITHOUT ANY WARRANTY; without even 
 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. 
 
 [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
@@ skipping 80 matching lines @@
       var prefix;
       var attNode;
       
       var docRef = null;
       if (typeof(this.doc) != 'undefined') {
         docRef = this.doc;
       }
       doc = load(docRef, "doc", "barfoo");
       elem = doc.createElementNS("http://www.w3.org/1999/xhtml","dom3:p");
       attr = doc.createAttributeNS("http://www.w3.org/XML/1998/namespace","xml:lang");
-      attNode = elem.setAttributeNodeNS(attr);
+      attNode = elem.setAttributeNode(attr);
       prefix = attr.lookupPrefix("http://www.w3.org/XML/1998/namespace");
       assertNull("nodelookupprefix16",prefix);
     
 }
 
 
 
 
 function runTest() {
    nodelookupprefix16();
 }