Rename IFWL_Widget::SetDelegate

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 9d0a08bed62e643931f05ada7d4928cdbe4f0edf..6a7fd2621444c9034900c44286a727e6dada22af 100644
--- a/xfa/fwl/core/ifwl_datetimeedit.cpp
+++ b/xfa/fwl/core/ifwl_datetimeedit.cpp
@@ -42,8 +42,7 @@ void CFWL_DateTimeEditImpDelegate::OnProcessMessage(CFWL_Message* pMessage) {
   if (dwHashCode == CFWL_MessageType::SetFocus ||
       dwHashCode == CFWL_MessageType::KillFocus) {
     IFWL_Widget* pOuter = m_pOwner->GetOuter();
-    IFWL_WidgetDelegate* pDelegate = pOuter->SetDelegate(nullptr);
-    pDelegate->OnProcessMessage(pMessage);
+    pOuter->GetCurrentDelegate()->OnProcessMessage(pMessage);
   }
 }