1 files changed, 1 insertions, 1 deletions
diff --git a/dom/base/test/fullscreen/file_fullscreen-shadowdom.html b/dom/base/test/fullscreen/file_fullscreen-shadowdom.html
index 348e08ae87..1972e1457e 100644
--- a/dom/base/test/fullscreen/file_fullscreen-shadowdom.html
+++ b/dom/base/test/fullscreen/file_fullscreen-shadowdom.html
@@ -29,7 +29,7 @@
           var elem = shadowRoot.firstChild;
           var gotFullscreenEvent = false;
 
-          document.addEventListener("fullscreenchange", function (e) {
+          document.addEventListener("fullscreenchange", function () {
             if (document.fullscreenElement === host) {
               is(shadowRoot.fullscreenElement, elem,
                  "Expected element entered fullsceen");