Issue #2230 - Refactor filter life cycle and use

src/plugin/AdblockPlusDomTraverser.cpp

Index: src/plugin/AdblockPlusDomTraverser.cpp
===================================================================
--- a/src/plugin/AdblockPlusDomTraverser.cpp
+++ b/src/plugin/AdblockPlusDomTraverser.cpp
@@ -23,7 +23,7 @@
 #include "..\shared\Utils.h"
 
 
-CPluginDomTraverser::CPluginDomTraverser(CPluginTab* tab) : CPluginDomTraverserBase(tab)
+CPluginDomTraverser::CPluginDomTraverser(CPluginFilter* filterSet) : CPluginDomTraverserBase(filterSet)
 {
 }
 
@@ -52,9 +52,7 @@
   }
 
   // Check if element is hidden
-  CPluginClient* client = CPluginClient::GetInstance();
-
-  cache->m_isHidden = client->IsElementHidden(tag, pEl, m_domain, indent, &(m_tab->m_filter));
+  cache->m_isHidden = filterSet->IsElementHidden(tag, pEl, m_domain, indent);
   if (cache->m_isHidden)
   {
     HideElement(pEl, tag, L"", false, indent);
@@ -71,6 +69,7 @@
       if (!src.empty())
       {
         // If src should be blocked, set style display:none on image
+      CPluginClient* client = CPluginClient::GetInstance();
         cache->m_isHidden = client->ShouldBlock(src,
           AdblockPlus::FilterEngine::ContentType::CONTENT_TYPE_IMAGE, m_documentUrl);
         if (cache->m_isHidden)