Rename IFWL classes which do not have CFWL equivalents

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>
 
+#include "xfa/fwl/core/cfwl_datetimeedit.h"
 #include "xfa/fwl/core/cfwl_event.h"
+#include "xfa/fwl/core/cfwl_monthcalendar.h"
 #include "xfa/fwl/core/cfwl_widgetproperties.h"
-#include "xfa/fwl/core/ifwl_datetimeedit.h"
-#include "xfa/fwl/core/ifwl_monthcalendar.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 #define FWL_STYLEEXT_DTP_AllowEdit (1L << 0)
 #define FWL_STYLEEXT_DTP_LongDateFormat (0L << 1)
 #define FWL_STYLEEXT_DTP_ShortDateFormat (1L << 1)
 #define FWL_STYLEEXT_DTP_TimeFormat (2L << 1)
 #define FWL_STYLEEXT_DTP_Spin (1L << 3)
 #define FWL_STYLEEXT_DTP_EditHNear (0L << 4)
 #define FWL_STYLEEXT_DTP_EditHCenter (1L << 4)
 #define FWL_STYLEEXT_DTP_EditHFar (2L << 4)
 #define FWL_STYLEEXT_DTP_EditVNear (0L << 6)
 #define FWL_STYLEEXT_DTP_EditVCenter (1L << 6)
 #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 CFWL_DateTimeEdit;
+class CFWL_FormProxy;
 
 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;
@@ skipping 21 matching lines @@
   }
 
   void GetBBox(CFX_RectF& rect) const;
   void SetEditLimit(int32_t nLimit) { m_pEdit->SetLimit(nLimit); }
   void ModifyEditStylesEx(uint32_t dwStylesExAdded, uint32_t dwStylesExRemoved);
 
   bool IsMonthCalendarVisible() const;
   void ShowMonthCalendar(bool bActivate);
   void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
 
-  IFWL_FormProxy* GetFormProxy() const { return m_pForm.get(); }
+  CFWL_FormProxy* GetFormProxy() const { return m_pForm.get(); }
 
  private:
   void DrawDropDownButton(CFX_Graphics* pGraphics,
                           IFWL_ThemeProvider* pTheme,
                           const CFX_Matrix* pMatrix);
   void FormatDateString(int32_t iYear,
                         int32_t iMonth,
                         int32_t iDay,
                         CFX_WideString& wsText);
   void ResetEditAlignment();
@@ skipping 15 matching lines @@
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
 
   CFX_RectF m_rtBtn;
   CFX_RectF m_rtClient;
   int32_t m_iBtnState;
   int32_t m_iYear;
   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;
+  std::unique_ptr<CFWL_DateTimeEdit> m_pEdit;
+  std::unique_ptr<CFWL_MonthCalendar> m_pMonthCal;
+  std::unique_ptr<CFWL_FormProxy> m_pForm;
   FX_FLOAT m_fBtn;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_DATETIMEPICKER_H_