issue 3741 - Add "remove" option to list items in new options page

new-options.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 315 matching lines @@
     {
       id: "recommend-list-table",
       onClick: toggleRemoveSubscription
     }
   ]);
   collections.langs = new Collection(
   [
     {
       id: "blocking-languages-table",
       emptyText: "options_dialog_language_added_empty",
-      onClick: toggleRemoveSubscription
+      onClick: toggleDisableSubscription
     },
     {
       id: "blocking-languages-dialog-table",
       emptyText: "options_dialog_language_added_empty"
     }
   ]);
   collections.allLangs = new Collection(
   [
     {
       id: "all-lang-table",
       emptyText: "options_dialog_language_other_empty",
       onClick: onAddLanguageSubscriptionClick
     }
   ]);
   collections.acceptableAds = new Collection(
   [
     {
       id: "acceptableads-table",
       onClick: toggleRemoveSubscription
     }
   ]);
   collections.custom = new Collection(
   [
     {
       id: "custom-list-table",
-      onClick: toggleRemoveSubscription
+      onClick: toggleDisableSubscription
     }
   ]);
   collections.whitelist = new Collection(
   [
     {
       id: "whitelisting-table",
       emptyText: "options_whitelisted_empty",
       onClick: onRemoveFilterClick
     }
   ]);
@@ skipping 96 matching lines @@
       {
         var list = document.getElementById("subscriptionSelector");
         var doc = new DOMParser().parseFromString(text, "application/xml");
         var elements = doc.documentElement.getElementsByTagName("subscription");
         for (var i = 0; i < elements.length; i++)
         {
           var element = elements[i];
           var subscription = Object.create(null);
           subscription.originalTitle = element.getAttribute("title");
           subscription.url = element.getAttribute("url");
-          subscription.disabled = null;
+          subscription.disabled = true;
           subscription.downloadStatus = null;
           subscription.homepage = null;
           var recommendation = Object.create(null);
           recommendation.type = element.getAttribute("type");
           var prefix = element.getAttribute("prefixes");
           if (prefix)
           {
             prefix = prefix.replace(/\W/g, "_");
             subscription.title = getMessage("options_language_" + prefix);
           }
@@ skipping 627 matching lines @@
   });
   ext.backgroundPage.sendMessage(
   {
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
         "title", "downloadStatus", "downloading"]
   });
 
   window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
 })();