Issue 6507 - Inject style sheet proactively from background page

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 482 matching lines @@
     if (this.tracer)
     {
       browser.runtime.sendMessage({
         type: "devtools.traceElemHide",
         selectors: [],
         filters
       });
     }
   },
 
-  apply({trace, inline, inlineEmulated, selectors, emulatedPatterns} = {})
+  apply({trace, inline, inlineEmulated, selectors, emulatedPatterns = []})
   {
     if (this.tracer)
       this.tracer.disconnect();
     this.tracer = null;
 
     if (trace)
       this.tracer = new ElementHidingTracer();
 
     this.inline = inline;
     this.inlineEmulated = !!inlineEmulated;
@@ skipping 35 matching lines @@
     let element = event.target;
     if (/^i?frame$/.test(element.localName))
       checkCollapse(element);
   }, true);
 }
 
 window.checkCollapse = checkCollapse;
 window.elemhide = elemhide;
 window.typeMap = typeMap;
 window.getURLsFromElement = getURLsFromElement;