Cleanup unused methods and return values in FWL code.

xfa/fwl/core/ifwl_edit.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_EDIT_H_
 #define XFA_FWL_CORE_IFWL_EDIT_H_
 
 #include <deque>
 #include <memory>
 #include <vector>
 
 #include "xfa/fde/ifde_txtedtdorecord.h"
 #include "xfa/fde/ifde_txtedtengine.h"
 #include "xfa/fwl/core/cfwl_event.h"
 #include "xfa/fwl/core/ifwl_dataprovider.h"
 #include "xfa/fwl/core/ifwl_scrollbar.h"
 #include "xfa/fwl/lightwidget/cfwl_widget.h"
 #include "xfa/fxgraphics/cfx_path.h"
 
-#define FWL_CLASS_Edit L"FWL_EDIT"
 #define FWL_STYLEEXT_EDT_ReadOnly (1L << 0)
 #define FWL_STYLEEXT_EDT_MultiLine (1L << 1)
 #define FWL_STYLEEXT_EDT_WantReturn (1L << 2)
 #define FWL_STYLEEXT_EDT_NoHideSel (1L << 3)
 #define FWL_STYLEEXT_EDT_AutoHScroll (1L << 4)
 #define FWL_STYLEEXT_EDT_AutoVScroll (1L << 5)
 #define FWL_STYLEEXT_EDT_NoRedoUndo (1L << 6)
 #define FWL_STYLEEXT_EDT_Validate (1L << 7)
 #define FWL_STYLEEXT_EDT_Password (1L << 8)
 #define FWL_STYLEEXT_EDT_Number (1L << 9)
@@ skipping 71 matching lines @@
 class IFWL_Caret;
 
 class IFWL_EditDP : public IFWL_DataProvider {};
 
 class IFWL_Edit : public IFWL_Widget {
  public:
   IFWL_Edit(const CFWL_WidgetImpProperties& properties, IFWL_Widget* pOuter);
   ~IFWL_Edit() override;
 
   // IFWL_Widget:
-  FWL_Error GetClassName(CFX_WideString& wsClass) const override;
   FWL_Type GetClassID() 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 SetWidgetRect(const CFX_RectF& rect) override;
   FWL_Error Update() override;
   FWL_WidgetHit HitTest(FX_FLOAT fx, FX_FLOAT fy) override;
   void SetStates(uint32_t dwStates, FX_BOOL bSet = TRUE) override;
   FWL_Error DrawWidget(CFX_Graphics* pGraphics,
                        const CFX_Matrix* pMatrix = nullptr) override;
   FWL_Error SetThemeProvider(IFWL_ThemeProvider* pThemeProvider) override;
 
   virtual FWL_Error SetText(const CFX_WideString& wsText);
@@ skipping 144 matching lines @@
   void OnButtonDblClk(CFWL_MsgMouse* pMsg);
   void OnMouseMove(CFWL_MsgMouse* pMsg);
   void OnKeyDown(CFWL_MsgKey* pMsg);
   void OnChar(CFWL_MsgKey* pMsg);
   FX_BOOL OnScroll(IFWL_ScrollBar* pScrollBar, uint32_t dwCode, FX_FLOAT fPos);
   void DoCursor(CFWL_MsgMouse* pMsg);
   IFWL_Edit* m_pOwner;
 };
 
 #endif  // XFA_FWL_CORE_IFWL_EDIT_H_