Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_form.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_FORM_H_
 #define XFA_FWL_CORE_IFWL_FORM_H_
 
 #include <memory>
@@ skipping 71 matching lines @@
  public:
   virtual CFX_DIBitmap* GetIcon(IFWL_Widget* pWidget, FX_BOOL bBig) = 0;
 };
 
 class IFWL_Form : public IFWL_Widget {
  public:
   IFWL_Form(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
   ~IFWL_Form() override;
 
   // IFWL_Widget
-  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
   FWL_Type GetClassID() const override;
   FX_BOOL IsInstance(const CFX_WideStringC& wsClass) 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 GetClientRect(CFX_RectF& rect) override;
   FWL_Error Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
 
   FWL_FORMSIZE GetFormSize();
   FWL_Error SetFormSize(FWL_FORMSIZE eFormSize);
@@ skipping 62 matching lines @@
   IFWL_Widget* m_pSubFocus;
   RestoreInfo m_InfoStart;
   FX_FLOAT m_fCXBorder;
   FX_FLOAT m_fCYBorder;
   int32_t m_iCaptureBtn;
   int32_t m_iSysBox;
   int32_t m_eResizeType;
   FX_BOOL m_bLButtonDown;
   bool m_bMaximized;
   FX_BOOL m_bSetMaximize;
-  FX_BOOL m_bCustomizeLayout;
+  bool m_bCustomizeLayout;
   FWL_FORMSIZE m_eFormSize;
   FX_BOOL m_bDoModalFlag;
   FX_FLOAT m_fSmallIconSz;
   FX_FLOAT m_fBigIconSz;
   CFX_DIBitmap* m_pBigIcon;
   CFX_DIBitmap* m_pSmallIcon;
   FX_BOOL m_bMouseIn;
 };
 
 class CFWL_FormImpDelegate : public CFWL_WidgetImpDelegate {
@@ skipping 10 matching lines @@
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnMouseHover(CFWL_MsgMouse* pMsg);
   void OnMouseLeave(CFWL_MsgMouse* pMsg);
   void OnLButtonDblClk(CFWL_MsgMouse* pMsg);
   void OnWindowMove(CFWL_MsgWindowMove* pMsg);
   void OnClose(CFWL_MsgClose* pMsg);
   IFWL_Form* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_FORM_H_