Cleanup: Mark methods with the override keyword.

fpdfsdk/include/formfiller/FFL_TextField.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 FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_
 #define FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_
 
 #include "FFL_FormFiller.h"
 
 #define BF_ALIGN_LEFT 0
 #define BF_ALIGN_MIDDLE 1
 #define BF_ALIGN_RIGHT 2
 
 class CBA_FontMap;
 
 struct FFL_TextFieldState {
   int nStart;
   int nEnd;
   CFX_WideString sValue;
 };
 
 class CFFL_TextField : public CFFL_FormFiller,
                        public IPWL_FocusHandler,
                        public IPWL_Edit_Notify {
  public:
   CFFL_TextField(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot);
-  virtual ~CFFL_TextField();
+  ~CFFL_TextField() override;
 
-  virtual PWL_CREATEPARAM GetCreateParam();
-  virtual CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
-                                 CPDFSDK_PageView* pPageView);
+  // CFFL_FormFiller:
+  PWL_CREATEPARAM GetCreateParam() override;
+  CPWL_Wnd* NewPDFWindow(const PWL_CREATEPARAM& cp,
+                         CPDFSDK_PageView* pPageView) override;
+  FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags) override;
+  FX_BOOL IsDataChanged(CPDFSDK_PageView* pPageView) override;
+  void SaveData(CPDFSDK_PageView* pPageView) override;
+  void GetActionData(CPDFSDK_PageView* pPageView,
+                     CPDF_AAction::AActionType type,
+                     PDFSDK_FieldAction& fa) override;
+  void SetActionData(CPDFSDK_PageView* pPageView,
+                     CPDF_AAction::AActionType type,
+                     const PDFSDK_FieldAction& fa) override;
+  FX_BOOL IsActionDataChanged(CPDF_AAction::AActionType type,
+                              const PDFSDK_FieldAction& faOld,
+                              const PDFSDK_FieldAction& faNew) override;
+  void SaveState(CPDFSDK_PageView* pPageView) override;
+  void RestoreState(CPDFSDK_PageView* pPageView) override;
+  CPWL_Wnd* ResetPDFWindow(CPDFSDK_PageView* pPageView,
+                           FX_BOOL bRestoreValue) override;
 
-  virtual FX_BOOL OnChar(CPDFSDK_Annot* pAnnot, FX_UINT nChar, FX_UINT nFlags);
+  // IPWL_FocusHandler:
+  void OnSetFocus(CPWL_Wnd* pWnd) override;
+  void OnKillFocus(CPWL_Wnd* pWnd) override;
 
-  virtual FX_BOOL IsDataChanged(CPDFSDK_PageView* pPageView);
-  virtual void SaveData(CPDFSDK_PageView* pPageView);
-
-  virtual void GetActionData(CPDFSDK_PageView* pPageView,
-                             CPDF_AAction::AActionType type,
-                             PDFSDK_FieldAction& fa);
-  virtual void SetActionData(CPDFSDK_PageView* pPageView,
-                             CPDF_AAction::AActionType type,
-                             const PDFSDK_FieldAction& fa);
-  virtual FX_BOOL IsActionDataChanged(CPDF_AAction::AActionType type,
-                                      const PDFSDK_FieldAction& faOld,
-                                      const PDFSDK_FieldAction& faNew);
-  virtual void SaveState(CPDFSDK_PageView* pPageView);
-  virtual void RestoreState(CPDFSDK_PageView* pPageView);
-
-  virtual CPWL_Wnd* ResetPDFWindow(CPDFSDK_PageView* pPageView,
-                                   FX_BOOL bRestoreValue);
-
- public:
-  virtual void OnSetFocus(CPWL_Wnd* pWnd);
-  virtual void OnKillFocus(CPWL_Wnd* pWnd);
-
- public:
-  virtual void OnAddUndo(CPWL_Edit* pEdit);
-
- public:
-  virtual FX_BOOL CanCopy(CPDFSDK_Document* pDocument);
-  virtual FX_BOOL CanCut(CPDFSDK_Document* pDocument);
-  virtual FX_BOOL CanPaste(CPDFSDK_Document* pDocument);
+  // IPWL_Edit_Notify:
+  void OnAddUndo(CPWL_Edit* pEdit) override;
 
  private:
   CBA_FontMap* m_pFontMap;
   FFL_TextFieldState m_State;
 };
 
 #endif  // FPDFSDK_INCLUDE_FORMFILLER_FFL_TEXTFIELD_H_