Issue 6999 - Remove inlineEmulated flag in content.applyFilters

lib/contentFiltering.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 230 matching lines @@
   if (!inline && !updateFrameStyles(sender.page.id, sender.frame.id,
                                     selectors, "standard"))
   {
     inline = true;
   }
 
   let response = {trace, inline, emulatedPatterns};
   if (trace || inline)
     response.selectors = selectors;
 
-  // If we can't remove user style sheets using tabs.removeCSS, we'll only keep
-  // adding them, which could cause problems with emulation filters as
-  // described in issue #5864. Instead, we can just ask the content script to
-  // add styles for emulation filters inline.
-  if (!styleSheetRemovalSupported)
-    response.inlineEmulated = true;
-
   return response;
 });
 
 port.on("content.injectSelectors", (message, sender) =>
 {
   updateFrameStyles(sender.page.id, sender.frame.id, message.selectors,
                     message.groupName, message.appendOnly);
 });
 
 fetch(browser.extension.getURL("/snippets.js"), {cache: "no-cache"})
 .then(response => response.ok ? response.text() : "")
 .then(text =>
 {
   snippetsLibrarySource = text;
 });