Issue 4329 - Add $generichide support

lib/abp2blocklist.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 388 matching lines @@
     return;
 
   if (filter instanceof filterClasses.BlockingFilter)
     this.requestFilters.push(filter);
 
   if (filter instanceof filterClasses.WhitelistFilter)
   {
     if (filter.contentType & (typeMap.DOCUMENT | whitelistableRequestTypes))
       this.requestExceptions.push(filter);
 
-      if (filter.contentType & typeMap.ELEMHIDE)
-        this.elemhideExceptions.push(filter);
-      else if (filter.contentType & typeMap.GENERICHIDE)
-        this.generichideExceptions.push(filter);
+    if (filter.contentType & typeMap.ELEMHIDE)
+      this.elemhideExceptions.push(filter);
+    else if (filter.contentType & typeMap.GENERICHIDE)
+      this.generichideExceptions.push(filter);
   }
 
   if (filter instanceof filterClasses.ElemHideFilter)
     this.elemhideFilters.push(filter);
 
   if (filter instanceof filterClasses.ElemHideException)
   {
     let domains = this.elemhideSelectorExceptions[filter.selector];
     if (!domains)
       domains = this.elemhideSelectorExceptions[filter.selector] = [];
@@ skipping 49 matching lines @@
 
   for (let filter of this.elemhideExceptions)
     convertFilterAddRules(rules, filter, "ignore-previous-rules", false);
   for (let filter of this.requestFilters)
     convertFilterAddRules(rules, filter, "block", true);
   for (let filter of this.requestExceptions)
     convertFilterAddRules(rules, filter, "ignore-previous-rules", true);
 
   return rules.filter(rule => !hasNonASCI(rule));
 };