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

firstRun.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 37 matching lines @@
     getDocLink("acceptable_ads_criteria", (link) =>
     {
       setLinks("acceptable-ads-explanation", link, openFilters);
     });
 
     getDocLink("contribute", (link) =>
     {
       setLinks("share-headline", link);
     });
 
-    ext.backgroundPage.sendMessage({
+    chrome.runtime.sendMessage({
       type: "app.get",
       what: "issues"
     }, (issues) =>
     {
       // Show warning if filterlists settings were reinitialized
       if (issues.filterlistsReinitialized)
       {
         E("filterlistsReinitializedWarning").removeAttribute("hidden");
         setLinks("filterlistsReinitializedWarning", openFilters);
       }
     });
 
     updateSocialLinks();
 
     ext.onMessage.addListener((message) =>
     {
       if (message.type == "subscriptions.respond")
       {
         updateSocialLinks();
       }
     });
-    ext.backgroundPage.sendMessage({
+    chrome.runtime.sendMessage({
       type: "subscriptions.listen",
       filter: ["added", "removed", "updated", "disabled"]
     });
   }
 
   function updateSocialLinks()
   {
     for (let network of ["twitter", "facebook", "gplus"])
     {
       let link = E("share-" + network);
@@ skipping 16 matching lines @@
     event.preventDefault();
 
     getDocLink(event.target.id, (link) =>
     {
       openSharePopup(link);
     });
   }
 
   function openFilters()
   {
-    ext.backgroundPage.sendMessage({type: "app.open", what: "options"});
+    chrome.runtime.sendMessage({type: "app.open", what: "options"});
   }
 
   document.addEventListener("DOMContentLoaded", onDOMLoaded, false);
 }());