Issue 4580 - Replace ext.backgroundPage.sendMessage with runtime.sendMessage

i18n.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
  * 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";
 
 // Getting UI locale cannot be done synchronously on Firefox,
 // requires messaging the background page. For Chrome and Safari,
 // we could get the UI locale here, but would need to duplicate
 // the logic implemented in Utils.appLocale.
-ext.backgroundPage.sendMessage(
+chrome.runtime.sendMessage(
   {
     type: "app.get",
     what: "localeInfo"
   },
   (localeInfo) =>
   {
     document.documentElement.lang = localeInfo.locale;
     document.documentElement.dir = localeInfo.bidiDir;
   }
 );
@@ skipping 76 matching lines @@
 
   dateParts = dateParts.map(
     (datePart) => datePart < 10 ? "0" + datePart : datePart
   );
 
   return [dateParts.splice(0, 3).join("-"), dateParts.join(":")];
 }
 
 // Fill in the strings as soon as possible
 window.addEventListener("DOMContentLoaded", loadI18nStrings, true);