From 0af09bde3155c615918f74cabbf810810bb95a4b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philip=20J=C3=A4genstedt?= <philip@foolip.org>
Date: Wed, 11 Sep 2019 14:47:19 +0200
Subject: [PATCH] [fullscreen] wrap event listener callback in `t.step_func`

This is to avoid a harness error if `trans.requestFullscreen()` is not supported:
https://wpt.fyi/results/fullscreen/rendering/fullscreen-css-transition.html?run_id=314000010&run_id=293450006&run_id=308130006&run_id=291640006
---
 fullscreen/rendering/fullscreen-css-transition.html | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fullscreen/rendering/fullscreen-css-transition.html b/fullscreen/rendering/fullscreen-css-transition.html
index 1d50502ee3bdb9..b494dc04e6d900 100644
--- a/fullscreen/rendering/fullscreen-css-transition.html
+++ b/fullscreen/rendering/fullscreen-css-transition.html
@@ -17,11 +17,11 @@
       assert_equals(document.fullscreenElement, trans);
       assert_equals(getComputedStyle(trans).color, "rgb(0, 128, 0)", "Transition is in progress - still green");
     });
-    trans.addEventListener('click', e => {
+    trans.addEventListener('click', t.step_func(() => {
       trans.style.color = "red";
       trans.offsetTop;
       trans.requestFullscreen();
-    }, {once: true});
+    }), {once: true});
     test_driver.click(trans);
   });
 </script>