Merge the CFWL_*Imp classes into the IFWL_* classes.

xfa/fwl/basewidget/ifwl_monthcalendar.h

Index: xfa/fwl/basewidget/ifwl_monthcalendar.h
diff --git a/xfa/fwl/basewidget/ifwl_monthcalendar.h b/xfa/fwl/basewidget/ifwl_monthcalendar.h
deleted file mode 100644
index 1ddebe977d79670a359f475bd9467cc271137b10..0000000000000000000000000000000000000000
--- a/xfa/fwl/basewidget/ifwl_monthcalendar.h
+++ /dev/null
@@ -1,60 +0,0 @@
-// 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_BASEWIDGET_IFWL_MONTHCALENDAR_H_
-#define XFA_FWL_BASEWIDGET_IFWL_MONTHCALENDAR_H_
-
-#include "xfa/fwl/core/cfwl_event.h"
-#include "xfa/fwl/core/cfwl_widgetimpproperties.h"
-#include "xfa/fwl/core/ifwl_dataprovider.h"
-#include "xfa/fwl/core/ifwl_widget.h"
-
-#define FWL_CLASS_MonthCalendar L"FWL_MONTHCALENDAR"
-#define FWL_STYLEEXT_MCD_MultiSelect (1L << 0)
-#define FWL_STYLEEXT_MCD_NoToday (1L << 1)
-#define FWL_STYLEEXT_MCD_NoTodayCircle (1L << 2)
-#define FWL_STYLEEXT_MCD_WeekNumbers (1L << 3)
-#define FWL_ITEMSTATE_MCD_Nomal (0L << 0)
-#define FWL_ITEMSTATE_MCD_Flag (1L << 0)
-#define FWL_ITEMSTATE_MCD_Selected (1L << 1)
-#define FWL_ITEMSTATE_MCD_Focused (1L << 2)
-
-FWL_EVENT_DEF(CFWL_Event_McdDateSelected,
-              CFWL_EventType::DataSelected,
-              int32_t m_iStartDay;
-              int32_t m_iEndDay;)
-
-FWL_EVENT_DEF(CFWL_EventMcdDateChanged,
-              CFWL_EventType::DateChanged,
-              int32_t m_iOldYear;
-              int32_t m_iOldMonth;
-              int32_t m_iStartDay;
-              int32_t m_iEndDay;)
-
-class IFWL_MonthCalendarDP : public IFWL_DataProvider {
- public:
-  virtual int32_t GetCurDay(IFWL_Widget* pWidget) = 0;
-  virtual int32_t GetCurMonth(IFWL_Widget* pWidget) = 0;
-  virtual int32_t GetCurYear(IFWL_Widget* pWidget) = 0;
-};
-
-class IFWL_MonthCalendar : public IFWL_Widget {
- public:
-  static IFWL_MonthCalendar* Create(const CFWL_WidgetImpProperties& properties,
-                                    IFWL_Widget* pOuter);
-
-  int32_t CountSelect();
-  FX_BOOL GetSelect(int32_t& iYear,
-                    int32_t& iMonth,
-                    int32_t& iDay,
-                    int32_t nIndex = 0);
-  FX_BOOL SetSelect(int32_t iYear, int32_t iMonth, int32_t iDay);
-
- protected:
-  IFWL_MonthCalendar();
-};
-
-#endif  // XFA_FWL_BASEWIDGET_IFWL_MONTHCALENDAR_H_