Issue 119 - Switch to injecting CSS for element hiding

src/plugin/PluginTabBase.h

 /*
  * This file is part of Adblock Plus <https://adblockplus.org/>,
  * Copyright (C) 2006-2016 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 20 matching lines @@
   CComAutoCriticalSection m_criticalSection;
   CriticalSection m_csInject;
 
   std::wstring m_documentDomain;
   std::wstring m_documentUrl;
   CPluginUserSettings m_pluginUserSettings;
   bool m_isActivated;
 
   std::thread m_thread;
   std::atomic<bool> m_continueThreadRunning;
-  CPluginDomTraverser* m_traverser;
+  std::unique_ptr<CPluginDomTraverser> m_traverser;
 public:
-  CPluginFilter m_filter;
+  class AsyncPluginFilter;
+  std::shared_ptr<AsyncPluginFilter> m_asyncPluginFilter;
 private:
   void ThreadProc();
   CComAutoCriticalSection m_criticalSectionCache;
   std::set<std::wstring> m_cacheFrames;
   std::wstring m_cacheDomain;
   void InjectABP(IWebBrowser2* browser);
+  bool IsTraverserEnabled();
+  bool IsCSSInjectionEnabled();
 public:
 
   CPluginTab();
   ~CPluginTab();
 
   std::wstring GetDocumentDomain();
   void SetDocumentUrl(const std::wstring& url);
   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();
 };
 
 #endif // _PLUGIN_TAB_BASE_H_