Issue 3294 - Fix broken Android build (again)

include/AdblockPlus/Notification.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2015 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 31 matching lines @@
   struct NotificationTexts
   {
     std::string title;
     std::string message;
   };
  
   /**
    * Wrapper for an Adblock Plus notification object.
    */
   class Notification: public JsValue,
-                      public std::tr1::enable_shared_from_this<Notification>
+                      public std::enable_shared_from_this<Notification>
   {
     friend class FilterEngine;
   protected:
     /**
      * Constructor.
      * @param jsValue `JsValuePtr` notification JavaScript object.
      */
     explicit Notification(const JsValuePtr& jsValue);
   public:
     /**
@@ skipping 18 matching lines @@
      * Marks this notification as shown. It is only relevant for question
      * notifications. Other notifications are marked automatically.
      */
     void MarkAsShown();
   private:
   };
   typedef std::shared_ptr<Notification> NotificationPtr;
 }
 
 #endif