Issue 2325 - Add a way to set settings in libadblockplus for FRP and automatic updates

include/AdblockPlus/JsEngine.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 193 matching lines @@
 
     /**
      * Sets the `LogSystem` implementation used for logging (e.g. to handle
      * `console.log()` calls from JavaScript).
      * Setting this is optional, the engine will use a `DefaultLogSystem`
      * instance by default, which might be sufficient.
      * @param The `LogSystem` instance to use.
      */
     void SetLogSystem(LogSystemPtr val);
 
+    /**
+     * Sets a global property that can be accessed by all the scripts.
+     * @param name Name of the property to set.
+     * @param value Value of the property to set.
+     */
+    void SetGlobalProperty(const std::string& name, AdblockPlus::JsValuePtr value);
+
   private:
     JsEngine();
 
     FileSystemPtr fileSystem;
     WebRequestPtr webRequest;
     LogSystemPtr logSystem;
     v8::Isolate* isolate;
     V8ValueHolder<v8::Context> context;
     EventMap eventCallbacks;
+    JsValuePtr globalJsObject;
   };
 }
 
 #endif