From a7e91b2956bac0d09c7feded05da065f11c276a2 Mon Sep 17 00:00:00 2001
From: Rafael Weinstein <rafaelw@chromium.org>
Date: Mon, 17 Mar 2014 16:45:57 -0700
Subject: [PATCH] fix dom stubs

---
 benchmark/dom.js | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/benchmark/dom.js b/benchmark/dom.js
index a628136..03b6bf4 100644
--- a/benchmark/dom.js
+++ b/benchmark/dom.js
@@ -71,8 +71,9 @@ Node.prototype = {
   },
 
   removeChild: function(node) {
-    if (node.parentNode != this)
-      return;
+    if (node.parentNode != this) {
+      throw Error('NotFoundError');
+    }
     if (!node.previousSibling && !node.nextSibling) {
       this.firstChild = null;
       this.lastChild = null;
@@ -90,6 +91,8 @@ Node.prototype = {
     node.parentNode = null;
     node.previousSibling = null;
     node.nextSibling = null;
+
+    return node;
   },
   insertBefore: function(node, otherNode) {
     if (node.parentNode)
@@ -405,4 +408,4 @@ function HTMLBaseElement(owner, tagName) {
 }
 HTMLBaseElement.prototype = {
   __proto__: HTMLElement.prototype
-};
\ No newline at end of file
+};