Issue #1234 + Clean up - CPluginTab (dead code, nullptr defect fix, etc.)

src/plugin/AdblockPlusDomTraverser.cpp

 /*
  * 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 35 matching lines @@
 bool CPluginDomTraverser::OnElement(IHTMLElement* pEl, const CString& tag, CPluginDomTraverserCache* cache, bool isDebug, CString& indent)
 {
   if (cache->m_isHidden)
   {
     return false;
   }
 
   // Check if element is hidden
   CPluginClient* client = CPluginClient::GetInstance();
 
-  cache->m_isHidden = client->IsElementHidden(ToWstring(tag), pEl, m_domain, ToWstring(indent), m_tab->m_filter.get());
+  cache->m_isHidden = client->IsElementHidden(ToWstring(tag), pEl, m_domain, ToWstring(indent), &(m_tab->m_filter));
   if (cache->m_isHidden)
   {
     HideElement(pEl, tag, L"", false, indent);
     return false;
   }
 
   // Images
   if (tag == "img")
   {
     CComVariant vAttr;
@@ skipping 84 matching lines @@
 
 #ifdef ENABLE_DEBUG_RESULT
         if (isDebug)
         {
           CPluginDebug::DebugResultHiding(ToWstring(type), url, L"-");
         }
 #endif // ENABLE_DEBUG_RESULT
     }
   }
 }