In getClassPrototype replace ScriptRuntime.getTopLevelProp by getProperty to avoid double call to getTopLevelScope

git-svn-id: svn://10.0.0.236/trunk@130349 18797224-902f-48f8-a5cc-f745e15eee43

mozilla/js/rhino/src/org/mozilla/javascript/ScriptableObject.java

@@ -1317,7 +1317,7 @@ public abstract class ScriptableObject implements Scriptable, Serializable,
                                                String className)
     {
         scope = getTopLevelScope(scope);
-        Object ctor = ScriptRuntime.getTopLevelProp(scope, className);
+        Object ctor = getProperty(scope, className);
         if (ctor == NOT_FOUND || !(ctor instanceof Scriptable))
             return null;
         Scriptable ctorObj = (Scriptable) ctor;