Remove CLASSHASH defines in favour of an enum class.

xfa/fwl/basewidget/fwl_tooltipctrlimp.h

Index: xfa/fwl/basewidget/fwl_tooltipctrlimp.h
diff --git a/xfa/fwl/basewidget/fwl_tooltipctrlimp.h b/xfa/fwl/basewidget/fwl_tooltipctrlimp.h
index 119c3e11594dbf069d38e15fb195a50812ca1ace..b28fb70bf923654114377a45da9dfa269c683200 100644
--- a/xfa/fwl/basewidget/fwl_tooltipctrlimp.h
+++ b/xfa/fwl/basewidget/fwl_tooltipctrlimp.h
@@ -19,38 +19,48 @@ class CFWL_ToolTipImp : public CFWL_FormImp {
  public:
   CFWL_ToolTipImp(const CFWL_WidgetImpProperties& properties,
                   IFWL_Widget* pOuter);
-  virtual ~CFWL_ToolTipImp();
-  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 FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
-                             const CFX_Matrix* pMatrix = NULL);
-  virtual FWL_ERR SetStates(uint32_t dwStates, FX_BOOL bSet);
-  virtual FWL_ERR GetClientRect(CFX_RectF& rect);
+  ~CFWL_ToolTipImp() override;
+
+  // CFWL_WidgetImp
+  FWL_ERR GetClassName(CFX_WideString& wsClass) const override;
+  FWL_Type GetClassID() const override { return FWL_Type::ToolTip; }
+  FWL_ERR Initialize() override;
+  FWL_ERR Finalize() override;
+  FWL_ERR GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE) override;
+  FWL_ERR Update() override;
+  FWL_ERR DrawWidget(CFX_Graphics* pGraphics,
+                     const CFX_Matrix* pMatrix = nullptr) override;
+  FWL_ERR SetStates(uint32_t dwStates, FX_BOOL bSet) override;
+  FWL_ERR GetClientRect(CFX_RectF& rect) override;
+
   FWL_ERR SetAnchor(const CFX_RectF& rtAnchor);
   FWL_ERR Show();
   FWL_ERR Hide();
 
  protected:
-  void DrawBkground(CFX_Graphics* pGraphics,
-                    IFWL_ThemeProvider* pTheme,
-                    const CFX_Matrix* pMatrix);
-  void DrawText(CFX_Graphics* pGraphics,
-                IFWL_ThemeProvider* pTheme,
-                const CFX_Matrix* pMatrix);
-  void UpdateTextOutStyles();
-  void RefreshToolTipPos();
+  friend class CFWL_ToolTipImpDelegate;
+  friend class CFWL_ToolTipTimer;
+
   class CFWL_ToolTipTimer : public IFWL_Timer {
    public:
     CFWL_ToolTipTimer() {}
     ~CFWL_ToolTipTimer() {}
+
     CFWL_ToolTipTimer(CFWL_ToolTipImp* pToolTip);
     virtual int32_t Run(FWL_HTIMER hTimer);
+
     CFWL_ToolTipImp* m_pToolTip;
   };
+
+  void DrawBkground(CFX_Graphics* pGraphics,
+                    IFWL_ThemeProvider* pTheme,
+                    const CFX_Matrix* pMatrix);
+  void DrawText(CFX_Graphics* pGraphics,
+                IFWL_ThemeProvider* pTheme,
+                const CFX_Matrix* pMatrix);
+  void UpdateTextOutStyles();
+  void RefreshToolTipPos();
+
   CFX_RectF m_rtClient;
   CFX_RectF m_rtCaption;
   FX_BOOL m_bBtnDown;
@@ -62,9 +72,8 @@ class CFWL_ToolTipImp : public CFWL_FormImp {
   CFWL_ToolTipTimer* m_pTimer;
   CFWL_ToolTipTimer m_TimerShow;
   CFWL_ToolTipTimer m_TimerHide;
-  friend class CFWL_ToolTipImpDelegate;
-  friend class CFWL_ToolTipTimer;
 };
+
 class CFWL_ToolTipImpDelegate : public CFWL_WidgetImpDelegate {
  public:
   CFWL_ToolTipImpDelegate(CFWL_ToolTipImp* pOwner);