Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/cfwl_datetimepicker.cpp

Index: xfa/fwl/core/cfwl_datetimepicker.cpp
diff --git a/xfa/fwl/core/cfwl_datetimepicker.cpp b/xfa/fwl/core/cfwl_datetimepicker.cpp
index a1d628d692e646aaa1ce8d6669d7394ba5ade399..98aae94fc3acb546abbbe2930dffa400ba13b5d5 100644
--- a/xfa/fwl/core/cfwl_datetimepicker.cpp
+++ b/xfa/fwl/core/cfwl_datetimepicker.cpp
@@ -30,7 +30,7 @@ void CFWL_DateTimePicker::Initialize() {
   ASSERT(!m_pIface);
 
   m_pIface = pdfium::MakeUnique<IFWL_DateTimePicker>(
-      m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>(this));
+      m_pApp, pdfium::MakeUnique<CFWL_WidgetProperties>());
 
   CFWL_Widget::Initialize();
 }