Remove DataProvider from CFWL_WidgetProperties

xfa/fwl/core/ifwl_datetimepicker.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_
 #define XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_
 
 #include <memory>
@@ skipping 17 matching lines @@
 #define FWL_STYLEEXT_DTP_EditVFar (2L << 6)
 #define FWL_STYLEEXT_DTP_EditJustified (1L << 8)
 #define FWL_STYLEEXT_DTP_EditDistributed (2L << 8)
 #define FWL_STYLEEXT_DTP_EditHAlignMask (3L << 4)
 #define FWL_STYLEEXT_DTP_EditVAlignMask (3L << 6)
 #define FWL_STYLEEXT_DTP_EditHAlignModeMask (3L << 8)
 
 class IFWL_DateTimeEdit;
 class IFWL_FormProxy;
 
-class IFWL_DateTimePicker : public IFWL_Widget,
-                            public IFWL_Widget::DataProvider {
+class IFWL_DateTimePicker : public IFWL_Widget {
  public:
   explicit IFWL_DateTimePicker(
       const CFWL_App* app,
       std::unique_ptr<CFWL_WidgetProperties> properties);
   ~IFWL_DateTimePicker() override;
 
   // IFWL_Widget
   FWL_Type GetClassID() const override;
   void GetWidgetRect(CFX_RectF& rect, bool bAutoSize = false) override;
   void Update() override;
@@ skipping 62 matching lines @@
   int32_t m_iMonth;
   int32_t m_iDay;
   bool m_bLBtnDown;
   std::unique_ptr<IFWL_DateTimeEdit> m_pEdit;
   std::unique_ptr<IFWL_MonthCalendar> m_pMonthCal;
   std::unique_ptr<IFWL_FormProxy> m_pForm;
   FX_FLOAT m_fBtn;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_