Support named query generation

Source/core/dom/DOMStringMap.cpp

 /*
  * Copyright (C) 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 14 matching lines @@
 
 #include "config.h"
 #include "core/dom/DOMStringMap.h"
 
 namespace WebCore {
 
 DOMStringMap::~DOMStringMap()
 {
 }
 
+bool DOMStringMap::namedPropertyQuery(const AtomicString& name, int& returnValue, ExceptionCode& ec)
+{
+    if (contains(name)) {
+        returnValue = 0;
+        return true;
+    }
+    return false;
+}
+
 } // namespace WebCore