1 files changed, 9 insertions, 3 deletions
diff --git a/browser/components/downloads/content/downloads.js b/browser/components/downloads/content/downloads.js
index 778b995e93..b420d48db6 100644
--- a/browser/components/downloads/content/downloads.js
+++ b/browser/components/downloads/content/downloads.js
@@ -528,7 +528,10 @@ var DownloadsPanel = {
   },
 
   _startWatchingForSpammyDownloadActivation() {
-    Services.els.addSystemEventListener(window, "keydown", this, true);
+    window.addEventListener("keydown", this, {
+      capture: true,
+      mozSystemGroup: true,
+    });
   },
 
   _lastBeepTime: 0,
@@ -546,7 +549,10 @@ var DownloadsPanel = {
   },
 
   _stopWatchingForSpammyDownloadActivation() {
-    Services.els.removeSystemEventListener(window, "keydown", this, true);
+    window.removeEventListener("keydown", this, {
+      capture: true,
+      mozSystemGroup: true,
+    });
   },
 
   /**
@@ -1458,7 +1464,7 @@ var DownloadsSummary = {
    * @param aEvent
    *        The click event being handled.
    */
-  onClick(aEvent) {
+  onClick() {
     DownloadsPanel.showDownloadsHistory();
   },