Issue 5650 - Apply emulation filters to shadow DOMs

test/browser/elemHideEmulation.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 91 matching lines @@
   insertStyleRule("#" + element.id + " " + styleBlock);
   return element;
 }
 
 // Create a new ElemHideEmulation instance with @selectors.
 function applyElemHideEmulation(selectors)
 {
   return Promise.resolve().then(() =>
   {
     let elemHideEmulation = new ElemHideEmulation(
+      testDocument,
+      null,
       newSelectors =>
       {
         if (!newSelectors.length)
           return;
         let selector = newSelectors.join(", ");
         insertStyleRule(selector + "{display: none !important;}");
       },
       elems =>
       {
         for (let elem of elems)
           elem.style.display = "none";
       }
     );
 
-    elemHideEmulation.document = testDocument;
     elemHideEmulation.MIN_INVOCATION_INTERVAL = REFRESH_INTERVAL / 2;
     elemHideEmulation.apply(selectors.map(selector => ({selector})));
     return elemHideEmulation;
   });
 }
 
 exports.testVerbatimPropertySelector = function(test)
 {
   let toHide = createElementWithStyle("{background-color: #000}");
   applyElemHideEmulation(
@@ skipping 443 matching lines @@
     expectVisible(test, child2);
     return timeout(REFRESH_INTERVAL);
   }).then(() =>
   {
     expectHidden(test, parent);
     expectVisible(test, child);
     expectHidden(test, sibling);
     expectVisible(test, child2);
   }).catch(unexpectedError.bind(test)).then(() => test.done());
 };