Issue 5835 - Add some notification related message handlers

messageResponder.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-present 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 336 matching lines @@
   {
     let notification = getActiveNotification();
 
     if (!notification ||
         "displayMethod" in message &&
         !shouldDisplay(message.displayMethod, notification.type))
       return;
 
     let texts = NotificationStorage.getLocalizedTexts(notification,
                                                       message.locale);
-    return Object.assign({}, notification, {texts});

[Thomas Greiner, 2017/10/09 10:52:59]

Detail: The third argument is redundant because you could write it as
`Object.assign({texts}, notification)`.

[kzar, 2017/10/09 11:13:51]

Good point, Done.

+    return Object.assign({texts}, notification);
   });
 
   port.on("subscriptions.add", (message, sender) =>
   {
     let subscription = Subscription.fromURL(message.url);
     if (message.confirm)
     {
       if ("title" in message)
         subscription.title = message.title;
       if ("homepage" in message)
@@ skipping 61 matching lines @@
     if (message.url)
       subscriptions = [Subscription.fromURL(message.url)];
 
     for (let subscription of subscriptions)
     {
       if (subscription instanceof DownloadableSubscription)
         Synchronizer.execute(subscription, true);
     }
   });
 })(this);