Issue 5404 - :-abp-properties() nested within :-abp-has() should work if the relevant selector refe…

chrome/content/elemHideEmulation.js

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2017 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 206 matching lines @@
    * @param {Node} subtree the subtree we work on.
    * @param {StringifiedStyle[]} styles the stringified style objects.
    */
   *getElements(prefix, subtree, styles)
   {
     let actualPrefix = (!prefix || incompletePrefixRegexp.test(prefix)) ?
         prefix + "*" : prefix;
     let elements = subtree.querySelectorAll(actualPrefix);
     for (let element of elements)
     {
-      let newPrefix = makeSelector(element, "");
-      let iter = evaluate(this._innerSelectors, 0, newPrefix + " ",
-                          element, styles);
+      let iter = evaluate(this._innerSelectors, 0, "", element, styles);
       for (let selector of iter)
-        // we insert a space between the two. It becomes a no-op if selector
-        // doesn't have a combinator
-        if (subtree.querySelector(selector))
+        if (element.querySelector(selector))
           yield element;
     }
   }
 };
 
 function PropsSelector(propertyExpression)
 {
   let regexpString;
   if (propertyExpression.length >= 2 && propertyExpression[0] == "/" &&
       propertyExpression[propertyExpression.length - 1] == "/")
@@ skipping 224 matching lines @@
 
       if (this.patterns.length > 0)
       {
         let {document} = this.window;
         this.addSelectors();
         document.addEventListener("load", this.onLoad.bind(this), true);
       }
     });
   }
 };