Updated reflect_dom_object to be passed by value

components/script/dom/domimplementation.rs

@@ -40,7 +40,7 @@ impl DOMImplementation {
     pub fn new(document: JSRef<Document>) -> Temporary<DOMImplementation> {
         let window = document.window().root();
         reflect_dom_object(box DOMImplementation::new_inherited(document),
-                           &Window(*window),
+                           Window(*window),
                            DOMImplementationBinding::Wrap)
     }
 }