Bug 1533452 - Very frequent (80%) macOS debug TEST-UNEXPECTED-FAIL | leakcheck | default 3024989 bytes leaked (AbstractThread, AbstractWatcher, AnimationTimeline, AtomSet, AudioChannelAgent, ...) when Gecko 67 merges to Beta on 2019-03-11 r=dao

MozReview-Commit-ID: BTTLzWmA1HT

Differential Revision: https://phabricator.services.mozilla.com/D23034

--HG--
extra : moz-landing-system : lando

browser/base/content/browser.js

@@ -8299,13 +8299,13 @@ var ConfirmationHint = {
       this._panel.setAttribute("hidearrow", "true");
     }
 
+    // The timeout value used here allows the panel to stay open for
+    // 1.5s second after the text transition (duration=120ms) has finished.
+    // If there is a description, we show for 4s and there is no text transition.
+    const DURATION = options.showDescription ? 4000 : 1500 + 120;
     this._panel.addEventListener("popupshown", () => {
       this._animationBox.setAttribute("animate", "true");
 
-      // The timeout value used here allows the panel to stay open for
-      // 1.5s second after the text transition (duration=120ms) has finished.
-      // If there is a description, we show for 4s and there is no text transition.
-      const DURATION = options.showDescription ? 4000 : 1500 + 120;
       setTimeout(() => {
         this._panel.hidePopup(true);
       }, DURATION);