Issue 7284 - Move CSS escaping to createStyleSheet

test/filterClasses.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 427 matching lines @@
   test.done();
 };
 
 exports.testElemHideRulesWithBraces = function(test)
 {
   compareFilter(
     test, "###foo{color: red}", [
       "type=elemhide",
       "text=###foo{color: red}",
       "selectorDomains=",
-      "selector=#foo\\7B color: red\\7D ",
+      "selector=#foo{color: red}",
       "domains="
     ]
   );
   compareFilter(
     test, "foo.com#?#:-abp-properties(/margin: [3-4]{2}/)", [
       "type=elemhideemulation",
       "text=foo.com#?#:-abp-properties(/margin: [3-4]{2}/)",
       "selectorDomains=foo.com",
-      "selector=:-abp-properties(/margin: [3-4]\\7B 2\\7D /)",
+      "selector=:-abp-properties(/margin: [3-4]{2}/)",
       "domains=foo.com"
     ]
   );
   test.done();
 };
 
 exports.testSnippetFilters = function(test)
 {
   compareFilter(test, "foo.com#$#abc", ["type=snippet", "text=foo.com#$#abc", "scriptDomains=foo.com", "script=abc", "domains=foo.com"]);
   compareFilter(test, "foo.com,~bar.com#$#abc", ["type=snippet", "text=foo.com,~bar.com#$#abc", "scriptDomains=foo.com", "script=abc", "domains=foo.com|~bar.com"]);
@@ skipping 175 matching lines @@
 
   test.notEqual(filter2.domains, filter5.domains);
 
   // Check twice for element hiding filters to make sure the internal cached
   // values are also not equal.
   test.notEqual(filter4.domains, filter6.domains);
   test.notEqual(filter4.domains, filter6.domains);
 
   test.done();
 };