1 files changed, 6 insertions, 4 deletions
diff --git a/layout/reftests/webcomponents/dynamic-insertion-point-distribution-1.html b/layout/reftests/webcomponents/dynamic-insertion-point-distribution-1.html
index c57f72b37..aefe84f25 100644
--- a/layout/reftests/webcomponents/dynamic-insertion-point-distribution-1.html
+++ b/layout/reftests/webcomponents/dynamic-insertion-point-distribution-1.html
@@ -5,9 +5,11 @@
   <body>
     <div id="host"></div>
     <script>
-      var host = document.getElementById("host");
-      var root = host.createShadowRoot();
-      root.innerHTML = 'a <content></content> c';
+      var host, root;
+
+      host = document.getElementById("host");
+      root = host.attachShadow({mode: 'open'});
+      root.innerHTML = 'a <slot></slot> c';
 
       function tweak() {
         var span = document.createElement("span");
@@ -19,7 +21,7 @@
         document.documentElement.removeAttribute("class");
       }
 
-      window.addEventListener("MozReftestInvalidate", tweak, false);
+      window.addEventListener("MozReftestInvalidate", tweak);
     </script>
   </body>
 </html>