Fix domain whitelisting and remove unused code

src/plugin/PluginFilter.cpp

 #include "PluginStdAfx.h"
 
 #include "PluginFilter.h"
 
 #if (defined PRODUCT_ADBLOCKPLUS)
 #include "PluginSettings.h"
 #include "PluginClient.h"
 #include "PluginClientFactory.h"
 #endif
 
@@ skipping 664 matching lines @@
       }
       m_filterMapDefault[i].clear();
     }
 
     m_elementHideTags.clear();
     m_elementHideTagsId.clear();
     m_elementHideTagsClass.clear();
   }
 }
 
-
-bool CPluginFilter::ShouldWhiteList(CString src) const
-{
-  // We should not block the empty string, so all filtering does not make sense
-  // Therefore we just return
-  if (src.Trim().IsEmpty())
-  {
-    return false;
-  }
-
-  //TODO: Implement whitelisting check from libadblockplus here. Probably not needed anymore
-  return false;
-}
-
-
 bool CPluginFilter::ShouldBlock(CString src, int contentType, const CString& domain, bool addDebug) const
 {
   // We should not block the empty string, so all filtering does not make sense
   // Therefore we just return
   if (src.Trim().IsEmpty())
   {
     return false;
   }
 
   CPluginSettings* settings = CPluginSettings::GetInstance();
@@ skipping 178 matching lines @@
   if (pos > 0 && domain.GetLength() + pos == subdomain.GetLength())
   {
     if (subdomain.GetAt(pos - 1) == '.')
     {
       return true;
     }
   }
 
   return false;
 }