Issue #2230 - Refactor filter life cycle and use

src/plugin/PluginTabBase.cpp

Index: src/plugin/PluginTabBase.cpp
===================================================================
--- a/src/plugin/PluginTabBase.cpp
+++ b/src/plugin/PluginTabBase.cpp
@@ -46,14 +46,11 @@
     DEBUG_SYSTEM_EXCEPTION(ex, PLUGIN_ERROR_THREAD, PLUGIN_ERROR_TAB_THREAD_CREATE_PROCESS,
       "Tab::Thread - Failed to create tab thread");
   }
-  m_traverser = new CPluginDomTraverser(static_cast<CPluginTab*>(this));
 }
 
 
 CPluginTab::~CPluginTab()
 {
-  delete m_traverser;
-  m_traverser = NULL;
   m_continueThreadRunning = false;
   if (m_thread.joinable()) {
     m_thread.join();
@@ -115,7 +112,6 @@
     DEBUG_SYSTEM_EXCEPTION(ex, PLUGIN_ERROR_THREAD, PLUGIN_ERROR_MAIN_THREAD_CREATE_PROCESS,
       "Class::Thread - Failed to start filter loader thread");
   }
-  m_traverser->ClearCache();
 }
 
 namespace
@@ -265,7 +261,8 @@
   std::wstring url = GetDocumentUrl();
   if (!client->IsWhitelistedUrl(url) && !client->IsElemhideWhitelistedOnDomain(url))
   {
-    m_traverser->TraverseDocument(browser, GetDocumentDomain(), GetDocumentUrl());
+    CPluginDomTraverser traversal(&m_filter);
+    traversal.TraverseDocumentRoot(browser, GetDocumentDomain(), GetDocumentUrl());
   }
   InjectABP(browser);
 }