Remove FWL_WGTHITTEST_* defines in favour of enum class.

xfa/fwl/basewidget/fwl_datetimepickerimp.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_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
 #define XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_
 
 #include <memory>
@@ skipping 95 matching lines @@
  public:
   CFWL_DateTimePickerImp(const CFWL_WidgetImpProperties& properties,
                          IFWL_Widget* pOuter);
   virtual ~CFWL_DateTimePickerImp();
   virtual FWL_ERR GetClassName(CFX_WideString& wsClass) const;
   virtual uint32_t GetClassID() const;
   virtual FWL_ERR Initialize();
   virtual FWL_ERR Finalize();
   virtual FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
   virtual FWL_ERR Update();
-  virtual uint32_t HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  virtual FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy);
   virtual FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
                              const CFX_Matrix* pMatrix = NULL);
   virtual FWL_ERR SetThemeProvider(IFWL_ThemeProvider* pTP);
   virtual FWL_ERR GetCurSel(int32_t& iYear, int32_t& iMonth, int32_t& iDay);
   virtual FWL_ERR SetCurSel(int32_t iYear, int32_t iMonth, int32_t iDay);
   virtual FWL_ERR SetEditText(const CFX_WideString& wsText);
   virtual FWL_ERR GetEditText(CFX_WideString& wsText,
                               int32_t nStart = 0,
                               int32_t nCount = -1) const;
 
@@ skipping 32 matching lines @@
   void ReSetEditAlignment();
   void InitProxyForm();
   void ProcessSelChanged(int32_t iYear, int32_t iMonth, int32_t iDay);
 
  private:
   FWL_ERR DisForm_Initialize();
   void DisForm_InitDateTimeCalendar();
   void DisForm_InitDateTimeEdit();
   FX_BOOL DisForm_IsMonthCalendarShowed();
   void DisForm_ShowMonthCalendar(FX_BOOL bActivate);
-  uint32_t DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
+  FWL_WidgetHit DisForm_HitTest(FX_FLOAT fx, FX_FLOAT fy);
   FX_BOOL DisForm_IsNeedShowButton();
   FWL_ERR DisForm_Update();
   FWL_ERR DisForm_GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
   FWL_ERR DisForm_GetBBox(CFX_RectF& rect);
   FWL_ERR DisForm_DrawWidget(CFX_Graphics* pGraphics,
                              const CFX_Matrix* pMatrix = NULL);
 
  protected:
   CFX_RectF m_rtBtn;
   CFX_RectF m_rtClient;
@@ skipping 45 matching lines @@
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
 
   CFWL_DateTimePickerImp* m_pOwner;
 
  private:
   void DisForm_OnFocusChanged(CFWL_Message* pMsg, FX_BOOL bSet = TRUE);
 };
 
 #endif  // XFA_FWL_BASEWIDGET_FWL_DATETIMEPICKERIMP_H_