Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_monthcalendar.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_MONTHCALENDAR_H_
 #define XFA_FWL_CORE_IFWL_MONTHCALENDAR_H_
 
 #include "xfa/fgas/localization/fgas_datetime.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,
@@ skipping 24 matching lines @@
   virtual int32_t GetCurYear(IFWL_Widget* pWidget) = 0;
 };
 
 class IFWL_MonthCalendar : public IFWL_Widget {
  public:
   IFWL_MonthCalendar(const CFWL_WidgetImpProperties& properties,
                      IFWL_Widget* pOuter);
   ~IFWL_MonthCalendar() override;
 
   // FWL_WidgetImp
-  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
   FWL_Type GetClassID() const override;
   FWL_Error Initialize() override;
-  FWL_Error Finalize() override;
+  void Finalize() override;
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
   FWL_Error Update() override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
   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);
@@ skipping 193 matching lines @@
   void OnActivate(CFWL_Message* pMsg);
   void OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
   void OnLButtonDown(CFWL_MsgMouse* pMsg);
   void OnLButtonUp(CFWL_MsgMouse* pMsg);
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
   IFWL_MonthCalendar* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_MONTHCALENDAR_H_