Issue 5556 - make C++ implementation of WebRequest manageable only by JsEngine

libadblockplus-android/src/org/adblockplus/libadblockplus/android/AdblockEngine.java

 /*
  * 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 298 matching lines @@
     {
       this.filterChangeCallback.dispose();
       this.filterChangeCallback = null;
     }
 
     if (this.showNotificationCallback != null)
     {
       this.showNotificationCallback.dispose();
       this.showNotificationCallback = null;
     }
-
-    if (this.webRequest != null)
-    {
-      this.webRequest.dispose();
-      this.webRequest = null;
-    }
   }
 
   public boolean isFirstRun()
   {
     return this.filterEngine.isFirstRun();
   }
 
   public boolean isElemhideEnabled()
   {
     return this.elemhideEnabled;
@@ skipping 287 matching lines @@
   public void setWhitelistedDomains(List<String> domains)
   {
     this.whitelistedDomains = domains;
   }
 
   public List<String> getWhitelistedDomains()
   {
     return whitelistedDomains;
   }
 }