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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
 
 "use strict";
 
 (function()
 {
   var subscriptionsMap = Object.create(null);
   var filtersMap = Object.create(null);
   var collections = Object.create(null);
   var acceptableAdsUrl = null;
-  var maxItemId = 0;
   var getMessage = ext.i18n.getMessage;
   var filterErrors =
   {
     "synchronize_invalid_url": "options_filterList_lastDownload_invalidURL",
     "synchronize_connection_error": "options_filterList_lastDownload_connectionError",
     "synchronize_invalid_data": "options_filterList_lastDownload_invalidData",
     "synchronize_checksum_mismatch": "options_filterList_lastDownload_checksumMismatch"
   };
 
   function Collection(details)
@@ skipping 57 matching lines @@
     }.bind(this));
 
     for (var j = 0; j < this.details.length; j++)
     {
       var table = E(this.details[j].id);
       var template = table.querySelector("template");
       for (var i = 0; i < arguments.length; i++)
       {
         var item = arguments[i];
         var listItem = document.createElement("li");
-        var itemId = "item-" + (++maxItemId);
         listItem.appendChild(document.importNode(template.content, true));
+        listItem.setAttribute("aria-label", this._getItemTitle(item, j));
         listItem.setAttribute("data-access", item.url || item.text);
-        listItem.setAttribute("id", itemId);
         listItem.setAttribute("role", "section");
 
         var label = listItem.querySelector(".display");
-        label.setAttribute("for", itemId);
         if (item.recommended && label.hasAttribute("data-tooltip"))
         {
           var tooltipId = label.getAttribute("data-tooltip");
           tooltipId = tooltipId.replace("%value%", item.recommended);
           label.setAttribute("data-tooltip", tooltipId);
         }
 
         var controls = listItem.querySelectorAll(".control");
         for (var k = 0; k < controls.length; k++)
         {
@@ skipping 1052 matching lines @@
   });
   ext.backgroundPage.sendMessage(
   {
     type: "subscriptions.listen",
     filter: ["added", "disabled", "homepage", "lastDownload", "removed",
         "title", "downloadStatus", "downloading"]
   });
 
   window.addEventListener("DOMContentLoaded", onDOMLoaded, false);
 })();