Remove unused FWL methods

xfa/fwl/core/fwl_widgetimp.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_FWL_WIDGETIMP_H_
 #define XFA_FWL_CORE_FWL_WIDGETIMP_H_
 
 #include "core/fxcrt/include/fx_coordinates.h"
@@ skipping 120 matching lines @@
                   int32_t iPartBorder,
                   IFWL_ThemeProvider* pTheme,
                   const CFX_Matrix* pMatrix = NULL);
   void DrawEdge(CFX_Graphics* pGraphics,
                 int32_t iPartEdge,
                 IFWL_ThemeProvider* pTheme,
                 const CFX_Matrix* pMatrix = NULL);
   void NotifyDriver();
 
   FX_BOOL IsParent(IFWL_Widget* pParent);
+
+  friend class CFWL_WidgetImpDelegate;
+
   CFWL_WidgetMgr* m_pWidgetMgr;
   CFWL_NoteThreadImp* m_pOwnerThread;
   CFWL_WidgetImpProperties* m_pProperties;
   CFX_PrivateData* m_pPrivateData;
   IFWL_WidgetDelegate* m_pDelegate;
   IFWL_WidgetDelegate* m_pCurDelegate;
   IFWL_Widget* m_pOuter;
   IFWL_Widget* m_pInterface;
   int32_t m_iLock;
-  friend class CFWL_WidgetImpDelegate;
-  friend void FWL_SetWidgetRect(IFWL_Widget* widget, const CFX_RectF& rect);
-  friend void FWL_SetWidgetStates(IFWL_Widget* widget, uint32_t dwStates);
-  friend void FWL_SetWidgetStyles(IFWL_Widget* widget, uint32_t dwStyles);
 };
 
 class CFWL_WidgetImpDelegate : public IFWL_WidgetDelegate {
  public:
   CFWL_WidgetImpDelegate();
   ~CFWL_WidgetImpDelegate() override {}
   int32_t OnProcessMessage(CFWL_Message* pMessage) override;
   FWL_ERR OnProcessEvent(CFWL_Event* pEvent) override;
   FWL_ERR OnDrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = NULL) override;
 };
 
 #endif  // XFA_FWL_CORE_FWL_WIDGETIMP_H_