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-rw-r--r--toolkit/content/tests/chrome/window_maximized_persist.xhtml2
1 files changed, 1 insertions, 1 deletions
diff --git a/toolkit/content/tests/chrome/window_maximized_persist.xhtml b/toolkit/content/tests/chrome/window_maximized_persist.xhtml
index f7eb695f0f..10f7d36d07 100644
--- a/toolkit/content/tests/chrome/window_maximized_persist.xhtml
+++ b/toolkit/content/tests/chrome/window_maximized_persist.xhtml
@@ -8,7 +8,7 @@
id="window"
persist="height width sizemode">
<script type="application/javascript"><![CDATA[
- window.addEventListener("sizemodechange", evt => {
+ window.addEventListener("sizemodechange", () => {
window.arguments[0].postMessage("sizemodechange", "*");
});
]]></script>