Issue #1596, #1720 - Make status bar menu consistent with plugin abilities

src/plugin/PluginTabBase.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 57 matching lines @@
   std::wstring GetDocumentUrl();
   virtual void OnActivate();
   virtual void OnUpdate();
   virtual void OnNavigate(const std::wstring& url);
   virtual void OnDownloadComplete(IWebBrowser2* browser);
   virtual void OnDocumentComplete(IWebBrowser2* browser, const std::wstring& url, bool isDocumentBrowser);
   static DWORD WINAPI TabThreadProc(LPVOID pParam);
   void CacheFrame(const std::wstring& url);
   bool IsFrameCached(const std::wstring& url);
   void ClearFrameCache(const std::wstring& domain=L"");
-
+  /**
+   * Is it possible to disable the current content of the present tab on a per-site basis?
+   */
+  bool IsPossibleToDisableOnSite();
 };
 
 /**
  * Temporary class used during refactoring.
  * This is the definition previously in AdblockPlusTab.h
  * Defining this class during refactoring alleviates the need to rename CPluginTabBase in the first change set.
  */
 class CPluginTab : public CPluginTabBase
 {
 
 public:
   CPluginTab(CPluginClass* plugin) : CPluginTabBase(plugin) {};
   ~CPluginTab() {};
 };
 
 
 
 #endif // _PLUGIN_TAB_BASE_H_