Remove CLASSHASH defines in favour of an enum class.

xfa/fwl/lightwidget/cfwl_widget.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_LIGHTWIDGET_CFWL_WIDGET_H_
 #define XFA_FWL_LIGHTWIDGET_CFWL_WIDGET_H_
 
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/lightwidget/cfwl_widgetproperties.h"
 #include "xfa/fwl/core/ifwl_widget.h"
 
 class CFWL_Event;
 class CFWL_Message;
 class CFWL_Widget;
 class CFWL_WidgetDelegate;
 class CFWL_WidgetMgr;
 
 class CFWL_Widget {
  public:
   virtual ~CFWL_Widget();
+
   IFWL_Widget* GetWidget();
   FWL_Error GetClassName(CFX_WideString& wsClass) const;
-  uint32_t GetClassID() const;
+  FWL_Type GetClassID() const;
   virtual FX_BOOL IsInstance(const CFX_WideStringC& wsClass) const;
 
   FWL_Error GetWidgetRect(CFX_RectF& rect, FX_BOOL bAutoSize = FALSE);
   FWL_Error GetGlobalRect(CFX_RectF& rect);
   FWL_Error SetWidgetRect(const CFX_RectF& rect);
   FWL_Error GetClientRect(CFX_RectF& rtClient);
   CFWL_Widget* GetParent();
   FWL_Error SetParent(CFWL_Widget* pParent);
   CFWL_Widget* GetOwner();
   FWL_Error SetOwner(CFWL_Widget* pOwner);
@@ skipping 33 matching lines @@
   IFWL_Widget* m_pIface;
   IFWL_WidgetDelegate* m_pDelegate;
   CFWL_WidgetMgr* m_pWidgetMgr;
   CFWL_WidgetProperties* m_pProperties;
 
  protected:
   FWL_Error Initialize(const CFWL_WidgetProperties* pProperties = NULL);
 };
 
 #endif  // XFA_FWL_LIGHTWIDGET_CFWL_WIDGET_H_