Issue 5695 - Use tabs.insertCSS if extensionTypes.CSSOrigin exists

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 483 matching lines @@
 
       if (this.style && this.style.parentElement)
         this.style.parentElement.removeChild(this.style);
       this.style = null;
 
       if (response.trace)
         this.tracer = new ElementHidingTracer();
 
       this.inject = response.inject;
 
-      if (response.selectors)

[Manish Jethani, 2017/09/17 13:51:38]

Check for the existence of response.selectors since it will be missing if there
are no selectors.

-      {
-        if (this.inject)
-          this.addSelectors(response.selectors);
-        else if (this.tracer)
-          this.tracer.addSelectors(response.selectors);
-      }
+      if (this.inject)
+        this.addSelectors(response.selectors);
+      else if (this.tracer)
+        this.tracer.addSelectors(response.selectors);
 
       this.elemHideEmulation.apply();
     });
   }
 };
 
 if (document instanceof HTMLDocument)
 {
   checkSitekey();
 
   elemhide = new ElemHide();
   elemhide.apply();
 
   document.addEventListener("error", event =>
   {
     checkCollapse(event.target);
   }, true);
 
   document.addEventListener("load", event =>
   {
     let element = event.target;
     if (/^i?frame$/.test(element.localName))
       checkCollapse(element);
   }, true);
 }