Issue #1234 - remove CString from declarations representing domains.

src/plugin/PluginTabBase.cpp

Index: src/plugin/PluginTabBase.cpp
===================================================================
--- a/src/plugin/PluginTabBase.cpp
+++ b/src/plugin/PluginTabBase.cpp
@@ -86,7 +86,7 @@
 {
   void FilterLoader(CPluginTabBase* tabBase)
   {
-    tabBase->m_filter->LoadHideFilters(CPluginClient::GetInstance()->GetElementHidingSelectors(tabBase->GetDocumentDomain().GetString()));
+    tabBase->m_filter->LoadHideFilters(CPluginClient::GetInstance()->GetElementHidingSelectors(tabBase->GetDocumentDomain()));
     SetEvent(tabBase->m_filter->hideFiltersLoadedEvent);
   }
 }
@@ -244,9 +244,9 @@
 #endif
 }
 
-CString CPluginTabBase::GetDocumentDomain()
+std::wstring CPluginTabBase::GetDocumentDomain()
 {
-  CString domain;
+  std::wstring domain;
 
   m_criticalSection.Lock();
   {
@@ -262,7 +262,7 @@
   m_criticalSection.Lock();
   {
     m_documentUrl = url;
-    m_documentDomain = CString(CAdblockPlusClient::GetInstance()->GetHostFromUrl(url.GetString()).c_str());
+    m_documentDomain = CAdblockPlusClient::GetInstance()->GetHostFromUrl(to_wstring(url));
   }
   m_criticalSection.Unlock();
 }
@@ -309,11 +309,11 @@
   m_criticalSectionCache.Unlock();
 }
 
-void CPluginTabBase::ClearFrameCache(const CString& domain)
+void CPluginTabBase::ClearFrameCache(const std::wstring& domain)
 {
   m_criticalSectionCache.Lock();
   {
-    if (domain.IsEmpty() || domain != m_cacheDomain)
+    if (domain.empty() || domain != m_cacheDomain)
     {
       m_cacheFrames.clear();
       m_cacheDomain = domain;