Issue 3826 - Filter preference change events

lib/uninstall.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 Eyeo GmbH
  *
  * Adblock Plus is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 3 as
  * published by the Free Software Foundation.
  *
  * Adblock Plus is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 39 matching lines @@
   chrome.runtime.setUninstallURL(Utils.getDocLink("uninstalled") + "&" +
                                  search.join("&"));
 }
 
 // The uninstall URL contains the notification download count as a parameter,
 // therefore we must wait for preferences to be loaded before generating the
 // URL and we need to re-generate it each time the notification data changes.
 if ("setUninstallURL" in chrome.runtime)
 {
   Prefs.untilLoaded.then(setUninstallURL);
-  Prefs.onChanged.addListener(function(name)
-  {
-    if (name == "notificationdata")
-      setUninstallURL();
-  });
+  Prefs.on("notificationdata", setUninstallURL);
 }