Remove NodeList's anonymous named getter

Source/core/dom/NamedNodesCollection.cpp

 // Copyright (c) 2008, 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.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 23 matching lines @@
 
 namespace WebCore {
 
 Node* NamedNodesCollection::item(unsigned index) const
 {
     if (index < m_nodes.size())
         return m_nodes[index].get();
     return 0;
 }
 
-Node* NamedNodesCollection::namedItem(const AtomicString& id) const
-{
-    for (unsigned i = 0; i < m_nodes.size(); ++i) {
-        Node* node = m_nodes[i].get();
-        if (node->hasID() && toElement(node)->getIdAttribute() == id)
-            return node;
-    }
-    return 0;
-}
-
 } // namespace WebCore