Merge delegates into IFWL_* classes.

xfa/fwl/core/ifwl_datetimeedit.cpp

Index: xfa/fwl/core/ifwl_datetimeedit.cpp
diff --git a/xfa/fwl/core/ifwl_datetimeedit.cpp b/xfa/fwl/core/ifwl_datetimeedit.cpp
index 1c0baae32d2b4a8c8bf9000e84fe6ad3762b4cb8..906ba94e574b7cc0e06fba6beb05f3ff0b971f26 100644
--- a/xfa/fwl/core/ifwl_datetimeedit.cpp
+++ b/xfa/fwl/core/ifwl_datetimeedit.cpp
@@ -13,16 +13,10 @@
 IFWL_DateTimeEdit::IFWL_DateTimeEdit(const IFWL_App* app,
                                      const CFWL_WidgetImpProperties& properties,
                                      IFWL_Widget* pOuter)
-    : IFWL_Edit(app, properties, pOuter) {
-  SetDelegate(pdfium::MakeUnique<CFWL_DateTimeEditImpDelegate>(this));
-}
-
-CFWL_DateTimeEditImpDelegate::CFWL_DateTimeEditImpDelegate(
-    IFWL_DateTimeEdit* pOwner)
-    : CFWL_EditImpDelegate(pOwner), m_pOwner(pOwner) {}
+    : IFWL_Edit(app, properties, pOuter) {}
 
-void CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
-  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+void IFWL_DateTimeEdit::OnProcessMessage(CFWL_Message* pMessage) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
     DisForm_OnProcessMessage(pMessage);
     return;
   }
@@ -30,24 +24,23 @@ void CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   CFWL_MessageType dwHashCode = pMessage->GetClassID();
   if (dwHashCode == CFWL_MessageType::SetFocus ||
       dwHashCode == CFWL_MessageType::KillFocus) {
-    IFWL_Widget* pOuter = m_pOwner->GetOuter();
-    pOuter->GetCurrentDelegate()->OnProcessMessage(pMessage);
+    IFWL_Widget* pOuter = GetOuter();
+    pOuter->GetDelegate()->OnProcessMessage(pMessage);
   }
 }
 
-void CFWL_DateTimeEditImpDelegate::DisForm_OnProcessMessage(
-    CFWL_Message* pMessage) {
+void IFWL_DateTimeEdit::DisForm_OnProcessMessage(CFWL_Message* pMessage) {
   CFWL_MessageType dwHashCode = pMessage->GetClassID();
-  if (m_pOwner->m_pWidgetMgr->IsFormDisabled()) {
+  if (m_pWidgetMgr->IsFormDisabled()) {
     if (dwHashCode == CFWL_MessageType::Mouse) {
       CFWL_MsgMouse* pMouse = static_cast<CFWL_MsgMouse*>(pMessage);
       if (pMouse->m_dwCmd == FWL_MouseCommand::LeftButtonDown ||
           pMouse->m_dwCmd == FWL_MouseCommand::RightButtonDown) {
-        if ((m_pOwner->m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0) {
-          m_pOwner->m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
-        }
+        if ((m_pProperties->m_dwStates & FWL_WGTSTATE_Focused) == 0)
+          m_pProperties->m_dwStates |= FWL_WGTSTATE_Focused;
+
         IFWL_DateTimePicker* pDateTime =
-            static_cast<IFWL_DateTimePicker*>(m_pOwner->m_pOuter);
+            static_cast<IFWL_DateTimePicker*>(m_pOuter);
         if (pDateTime->IsMonthCalendarShowed()) {
           CFX_RectF rtInvalidate;
           pDateTime->GetWidgetRect(rtInvalidate);
@@ -58,5 +51,5 @@ void CFWL_DateTimeEditImpDelegate::DisForm_OnProcessMessage(
       }
     }
   }
-  CFWL_EditImpDelegate::OnProcessMessage(pMessage);
+  IFWL_Edit::OnProcessMessage(pMessage);
 }