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

include.preload.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 147 matching lines @@
 function checkCollapse(element)
 {
   let mediatype = typeMap.get(element.localName);
   if (!mediatype)
     return;
 
   let urls = getURLsFromElement(element);
   if (urls.length == 0)
     return;
 
-  ext.backgroundPage.sendMessage(
+  chrome.runtime.sendMessage(
     {
       type: "filters.collapse",
       urls,
       mediatype,
       baseURL: document.location.href
     },
 
     collapse =>
     {
       if (collapse)
       {
         hideElement(element);
       }
     }
   );
 }
 
 function checkSitekey()
 {
   let attr = document.documentElement.getAttribute("data-adblockkey");
   if (attr)
-    ext.backgroundPage.sendMessage({type: "filters.addKey", token: attr});
+    chrome.runtime.sendMessage({type: "filters.addKey", token: attr});
 }
 
 function ElementHidingTracer()
 {
   this.selectors = [];
   this.changedNodes = [];
   this.timeout = null;
   this.observer = new MutationObserver(this.observe.bind(this));
   this.trace = this.trace.bind(this);
 
@@ skipping 40 matching lines @@
               selectors.push(selector);
 
             break nodes;
           }
         }
       }
     }
 
     if (selectors.length > 0 || filters.length > 0)
     {
-      ext.backgroundPage.sendMessage({
+      chrome.runtime.sendMessage({
         type: "devtools.traceElemHide",
         selectors, filters
       });
     }
   },
 
   onTimeout()
   {
     this.checkNodes(this.changedNodes, this.selectors);
     this.changedNodes = [];
@@ skipping 183 matching lines @@
       // (Firefox 53 onwards for now and possibly Chrome in the near future).
       // Once all supported platforms have implemented this API, we can remove
       // the code below. See issue #5090.
       // Related Chrome and Firefox issues:
       // https://bugs.chromium.org/p/chromium/issues/detail?id=632009
       // https://bugzilla.mozilla.org/show_bug.cgi?id=1310026
       this.injectSelectors(selectors, filters);
     }
     else
     {
-      ext.backgroundPage.sendMessage({
+      chrome.runtime.sendMessage({
         type: "elemhide.injectSelectors",
         selectors
       });
     }
 
     if (this.tracer)
       this.tracer.addSelectors(selectors, filters);
   },
 
   hideElements(elements, filters)
   {
     for (let element of elements)
       hideElement(element);
 
     if (this.tracer)
     {
-      ext.backgroundPage.sendMessage({
+      chrome.runtime.sendMessage({
         type: "devtools.traceElemHide",
         selectors: [],
         filters
       });
     }
   },
 
   apply()
   {
-    ext.backgroundPage.sendMessage({type: "elemhide.getSelectors"}, response =>
+    chrome.runtime.sendMessage({type: "elemhide.getSelectors"}, response =>
     {
       if (this.tracer)
         this.tracer.disconnect();
       this.tracer = null;
 
       if (this.style && this.style.parentElement)
         this.style.parentElement.removeChild(this.style);
       this.style = null;
 
       if (response.trace)
@@ skipping 23 matching lines @@
     checkCollapse(event.target);
   }, true);
 
   document.addEventListener("load", event =>
   {
     let element = event.target;
     if (/^i?frame$/.test(element.localName))
       checkCollapse(element);
   }, true);
 }