Cleanup: Mark methods with the override keyword.

fpdfsdk/include/fsdk_baseform.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_FSDK_BASEFORM_H_
 #define FPDFSDK_INCLUDE_FSDK_BASEFORM_H_
 
 #if _FX_OS_ == _FX_ANDROID_
@@ skipping 213 matching lines @@
                        FX_BOOL bIncludeOrExclude,
                        FX_BOOL bUrlEncoded);
   FX_BOOL SubmitForm(const CFX_WideString& sDestination, FX_BOOL bUrlEncoded);
   FX_BOOL ExportFormToFDFTextBuf(CFX_ByteTextBuf& textBuf);
   FX_BOOL ExportFieldsToFDFTextBuf(const CFX_PtrArray& fields,
                                    FX_BOOL bIncludeOrExclude,
                                    CFX_ByteTextBuf& textBuf);
   CFX_WideString GetTemporaryFileName(const CFX_WideString& sFileExt);
 
  private:
-  virtual int BeforeValueChange(const CPDF_FormField* pField,
-                                CFX_WideString& csValue);
-  virtual int AfterValueChange(const CPDF_FormField* pField);
-  virtual int BeforeSelectionChange(const CPDF_FormField* pField,
-                                    CFX_WideString& csValue);
-  virtual int AfterSelectionChange(const CPDF_FormField* pField);
-  virtual int AfterCheckedStatusChange(const CPDF_FormField* pField,
-                                       const CFX_ByteArray& statusArray);
-  virtual int BeforeFormReset(const CPDF_InterForm* pForm);
-  virtual int AfterFormReset(const CPDF_InterForm* pForm);
-  virtual int BeforeFormImportData(const CPDF_InterForm* pForm);
-  virtual int AfterFormImportData(const CPDF_InterForm* pForm);
+  // CPDF_FormNotify
+  int BeforeValueChange(const CPDF_FormField* pField,
+                        CFX_WideString& csValue) override;
+  int AfterValueChange(const CPDF_FormField* pField) override;
+  int BeforeSelectionChange(const CPDF_FormField* pField,
+                            CFX_WideString& csValue) override;
+  int AfterSelectionChange(const CPDF_FormField* pField) override;
+  int AfterCheckedStatusChange(const CPDF_FormField* pField,
+                               const CFX_ByteArray& statusArray) override;
+  int BeforeFormReset(const CPDF_InterForm* pForm) override;
+  int AfterFormReset(const CPDF_InterForm* pForm) override;
+  int BeforeFormImportData(const CPDF_InterForm* pForm) override;
+  int AfterFormImportData(const CPDF_InterForm* pForm) override;
 
   FX_BOOL FDFToURLEncodedData(CFX_WideString csFDFFile,
                               CFX_WideString csTxtFile);
   FX_BOOL FDFToURLEncodedData(uint8_t*& pBuf, FX_STRSIZE& nBufSize);
   int GetPageIndexByAnnotDict(CPDF_Document* pDocument,
                               CPDF_Dictionary* pAnnotDict) const;
   void DoFDFBuffer(CFX_ByteString sBuffer);
 
   using CPDFSDK_WidgetMap = std::map<CPDF_FormControl*, CPDFSDK_Widget*>;
 
@@ skipping 42 matching lines @@
   static CPDF_Rect GetAnnotRect(CPDFSDK_Annot* pAnnot);
 
   CPDFSDK_PageView* m_pPageView;
   CFX_ByteString m_sType;
   CFX_ByteString m_sSubType;
   int m_nTabs;
   CPDFSDK_Annots m_Annots;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_BASEFORM_H_