Make IFWL_Target::m_pImpl a private member.

xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp

Index: xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
diff --git a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
index 6928349106c1b83c125866aec2ffeadeeadff362..730c244fe122e8f58719b3fd0332653296bf5451 100644
--- a/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
+++ b/xfa/src/fwl/src/basewidget/fwl_monthcalendarimp.cpp
@@ -21,40 +21,37 @@ IFWL_MonthCalendar* IFWL_MonthCalendar::Create() {
   return new IFWL_MonthCalendar;
 }
 IFWL_MonthCalendar::IFWL_MonthCalendar() {
-  m_pImpl = NULL;
-}
-IFWL_MonthCalendar::~IFWL_MonthCalendar() {
-  if (m_pImpl) {
-    delete (CFWL_MonthCalendarImp*)m_pImpl;
-    m_pImpl = NULL;
-  }
 }
 FWL_ERR IFWL_MonthCalendar::Initialize(IFWL_Widget* pOuter) {
-  m_pImpl = new CFWL_MonthCalendarImp(pOuter);
-  ((CFWL_MonthCalendarImp*)m_pImpl)->SetInterface(this);
-  return ((CFWL_MonthCalendarImp*)m_pImpl)->Initialize();
+  CFWL_MonthCalendarImp* pMonthCalendarImpl = new CFWL_MonthCalendarImp(pOuter);
+  SetImpl(pMonthCalendarImpl);
+  pMonthCalendarImpl->SetInterface(this);
+  return pMonthCalendarImpl->Initialize();
 }
 FWL_ERR IFWL_MonthCalendar::Initialize(
     const CFWL_WidgetImpProperties& properties,
     IFWL_Widget* pOuter) {
-  m_pImpl = new CFWL_MonthCalendarImp(properties, pOuter);
-  ((CFWL_MonthCalendarImp*)m_pImpl)->SetInterface(this);
-  return ((CFWL_MonthCalendarImp*)m_pImpl)->Initialize();
+  CFWL_MonthCalendarImp* pMonthCalendarImpl =
+      new CFWL_MonthCalendarImp(properties, pOuter);
+  SetImpl(pMonthCalendarImpl);
+  pMonthCalendarImpl->SetInterface(this);
+  return pMonthCalendarImpl->Initialize();
 }
 int32_t IFWL_MonthCalendar::CountSelect() {
-  return ((CFWL_MonthCalendarImp*)m_pImpl)->CountSelect();
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())->CountSelect();
 }
 FX_BOOL IFWL_MonthCalendar::GetSelect(int32_t& iYear,
                                       int32_t& iMonth,
                                       int32_t& iDay,
                                       int32_t nIndex) {
-  return ((CFWL_MonthCalendarImp*)m_pImpl)
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
       ->GetSelect(iYear, iMonth, iDay, nIndex);
 }
 FX_BOOL IFWL_MonthCalendar::SetSelect(int32_t iYear,
                                       int32_t iMonth,
                                       int32_t iDay) {
-  return ((CFWL_MonthCalendarImp*)m_pImpl)->SetSelect(iYear, iMonth, iDay);
+  return static_cast<CFWL_MonthCalendarImp*>(GetImpl())
+      ->SetSelect(iYear, iMonth, iDay);
 }
 CFWL_MonthCalendarImp::CFWL_MonthCalendarImp(IFWL_Widget* pOuter)
     : CFWL_WidgetImp(pOuter),