Issue 6999 - Remove inlineEmulated flag in content.applyFilters

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 381 matching lines @@
     this.observer.disconnect();
     clearTimeout(this.timeout);
   }
 };
 
 function ContentFiltering()
 {
   this.styles = new Map();
   this.tracer = null;
   this.inline = true;
-  this.inlineEmulated = true;
 
   this.elemHideEmulation = new ElemHideEmulation(
-    this.addSelectors.bind(this),
+    () => {},
     this.hideElements.bind(this)
   );
 }
 ContentFiltering.prototype = {
   selectorGroupSize: 1024,
 
   addSelectorsInline(selectors, groupName, appendOnly = false)
   {
     let style = this.styles.get(groupName);
 
@@ skipping 39 matching lines @@
     for (let i = 0; i < selectors.length; i += this.selectorGroupSize)
     {
       let selector = selectors.slice(i, i + this.selectorGroupSize).join(", ");
       style.sheet.insertRule(selector + "{display: none !important;}",
                              style.sheet.cssRules.length);
     }
   },
 
   addSelectors(selectors, filters, groupName = "emulated", appendOnly = false)
   {
-    if (this.inline || this.inlineEmulated)
+    if (this.inline)
     {
       // Insert the style rules inline if we have been instructed by the
       // background page to do so. This is usually the case, except on platforms
       // that do support user stylesheets via the browser.tabs.insertCSS API
       // (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
@@ skipping 39 matching lines @@
     response =>
     {
       if (this.tracer)
         this.tracer.disconnect();
       this.tracer = null;
 
       if (response.trace)
         this.tracer = new ElementHidingTracer();
 
       this.inline = response.inline;
-      this.inlineEmulated = !!response.inlineEmulated;
 
       if (this.inline)
         this.addSelectorsInline(response.selectors, "standard");
 
       if (this.tracer)
         this.tracer.addSelectors(response.selectors);
 
-      // Prefer CSS selectors for -abp-has and -abp-contains unless the
-      // background page has asked us to use inline styles.
-      this.elemHideEmulation.useInlineStyles = this.inline ||
-                                               this.inlineEmulated;
-
       this.elemHideEmulation.apply(response.emulatedPatterns);
     });
   }
 };
 
 if (document instanceof HTMLDocument)
 {
   checkSitekey();
 
   contentFiltering = new ContentFiltering();
   contentFiltering.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);
 }
 
 window.checkCollapse = checkCollapse;
 window.contentFiltering = contentFiltering;
 window.typeMap = typeMap;
 window.getURLsFromElement = getURLsFromElement;