Issues #1163, #1173 - refactor CPluginUserSettings

src/plugin/PluginUserSettings.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
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License
  * along with Adblock Plus.  If not, see <http://www.gnu.org/licenses/>.
  */
+#ifndef PLUGIN_USER_SETTINGS_H
+#define PLUGIN_USER_SETTINGS_H
 
-#pragma once
-
-#include <vector>
-#include <utility>
+#include <OAIdl.h>
 
 /*
 Class is used to call methods Get,Set,Update of Settings object from JavaScript.
 When url is local page "user_mysettings.html", after document is loaded, C++ creates Settings object in page's JavaScript.
 Then var value = window.Settings.Get(par), window.Settings.Set(par, value), window.Settings.Update() can be called from JavaScript
 */
 class CPluginUserSettings: public IDispatch
 {
 public:
-  CPluginUserSettings();
-
   // IUnknown
   STDMETHOD(QueryInterface)(REFIID riid, void **ppvObj);
   ULONG __stdcall AddRef();
   ULONG __stdcall Release();
 
   // IDispatch
   STDMETHOD(GetTypeInfoCount)(UINT* pctinfo);
   STDMETHOD(GetTypeInfo)(UINT itinfo, LCID lcid, ITypeInfo** pptinfo);
   STDMETHOD(GetIDsOfNames)(REFIID riid, LPOLESTR* rgszNames, UINT cNames, LCID lcid, DISPID* rgdispid);
   STDMETHOD(Invoke)(DISPID dispidMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS* pDispparams, VARIANT* pVarResult,
     EXCEPINFO* pExcepinfo, UINT* pArgErr);
 };
+
+#endif