Remove Attr child nodes (making Attr a Node, not a ContainerNode)

LayoutTests/fast/dom/insertedIntoDocument-child.html

Index: LayoutTests/fast/dom/insertedIntoDocument-child.html
diff --git a/LayoutTests/fast/dom/insertedIntoDocument-child.html b/LayoutTests/fast/dom/insertedIntoDocument-child.html
index 194eeb19aa39f5b4fc14daea69031932eb6382a6..37c29425dc10a1e3a35b3c9c79e20540115f8f11 100644
--- a/LayoutTests/fast/dom/insertedIntoDocument-child.html
+++ b/LayoutTests/fast/dom/insertedIntoDocument-child.html
@@ -15,12 +15,6 @@ gc = window.gc || function()
         var s = new String("AAAA");
 }
 
-handler = function()
-{   
-    this.removeEventListener("DOMNodeRemoved", handler, false);
-    document.body.removeChild(object);
-}
-
 window.onload = function()
 {
     object = document.createElement("object");
@@ -28,8 +22,6 @@ window.onload = function()
     
     attr = document.createAttribute("width");
     object.setAttributeNode(attr);
-    attr.appendChild(document.createTextNode(1));
-    attr.childNodes[0].addEventListener("DOMNodeRemoved", handler, false);
 
     embed = document.createElement("embed");
     embed.setAttribute("width", 2);