Bug 1331599 - script-generated patch to replace removeEventListener calls with the once option when possible, r=jaws.

2017-01-25 07:01:52 +01:00
parent 69e05ad75e
commit 91f7a2ef3a
491 changed files with 1353 additions and 2307 deletions
--- a/browser/components/extensions/ext-utils.js
+++ b/browser/components/extensions/ext-utils.js
@@ -47,10 +47,9 @@ function promisePopupShown(popup) {
    if (popup.state == "open") {
      resolve();
    } else {
-      popup.addEventListener("popupshown", function onPopupShown(event) {
-        popup.removeEventListener("popupshown", onPopupShown);
+      popup.addEventListener("popupshown", function(event) {
        resolve();
-      });
+      }, {once: true});
    }
  });
 }