Issue 4580 - Replace ext.devtools with devtools

background.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 61 matching lines @@
     filterlistsReinitialized: false,
     addSubscription: false,
     filterError: false,
     downloadStatus: "synchronize_ok",
     showNotificationUI: false,
     showPageOptions: false
   };
   updateFromURL(params);
 
   let modules = {};
-
-  window.require = module => modules[module];
+  window.require = function(module)
+  {
+    return modules[module];
+  };
 
   modules.utils = {
     Utils: {
       getDocLink(link)
       {
         return "https://adblockplus.org/redirect?link=" + encodeURIComponent(link);
       },
       get appLocale()
       {
-        return chrome.i18n.getUILanguage();
+        return browser.i18n.getUILanguage();
       },
       get readingDirection()
       {
         return /^(?:ar|fa|he|ug|ur)\b/.test(this.appLocale) ? "rtl" : "ltr";
       }
     }
   };
 
   modules.prefs = {Prefs: new EventEmitter()};
   let prefs = {
@@ skipping 305 matching lines @@
     showOptions(callback)
     {
       if (!/\/(?:mobile|desktop)-options\.html\b/.test(top.location.href))
         window.open("desktop-options.html", "_blank");
 
       if (callback)
         callback();
     }
   };
 
   modules.requestBlocker = {

[Manish Jethani, 2017/10/12 01:30:02]

Unrelated, but requestBlocker.filterTypes needs to be defined, otherwise it's an
error in messageResponder.js

     filterTypes: []
   };
 
   window.addEventListener("message", (event) =>
   {
     if (event.data.type != "message")
       return;
     let message = event.data.payload;
     let {messageId} = event.data;
     let sender = {
@@ skipping 106 matching lines @@
             {
               host,
               whitelisted: isWhitelisted
             }
           ]
         }
       }, "*");
     }, 1000);
   }
 
-  chrome.runtime.onConnect.addListener(port =>

[Manish Jethani, 2017/10/12 01:30:02]

Use runtime.onConnect, what the real background page does.

+  browser.runtime.onConnect.addListener(port =>
   {
     // blocked request
     port.postMessage({
       type: "add-record",
       request: {
         url: "http://adserver.example.com/ad_banner.png",
         type: "IMAGE",
         docDomain: "example.com"
       },
       filter: {
@@ skipping 56 matching lines @@
       },
       filter: {
         text: "||example.com/some-annoying-popup$popup",
         whitelisted: false,
         userDefined: true,
         subscription: null
       }
     });
   });
 }());