Remove dead code from CPDF_InterForm.

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_
 
 #include <map>
@@ skipping 194 matching lines @@
  public:
   FX_BOOL IsWidgetAppearanceValid(CPDF_Annot::AppearanceMode mode);
   void DrawAppearance(CFX_RenderDevice* pDevice,
                       const CFX_Matrix* pUser2Device,
                       CPDF_Annot::AppearanceMode mode,
                       const CPDF_RenderOptions* pOptions) override;
 
   FX_BOOL HitTest(FX_FLOAT pageX, FX_FLOAT pageY);
 
  private:
-  CPDFSDK_InterForm* m_pInterForm;
+  CPDFSDK_InterForm* const m_pInterForm;
   FX_BOOL m_bAppModified;
   int32_t m_nAppAge;
   int32_t m_nValueAge;
 
 #ifdef PDF_ENABLE_XFA
   mutable CXFA_FFWidget* m_hMixXFAWidget;
   mutable CXFA_FFWidgetHandler* m_pWidgetHandler;
 #endif  // PDF_ENABLE_XFA
 };
 
@@ skipping 12 matching lines @@
   CFX_FloatRect GetRect() const override;
 
   CPDFSDK_InterForm* GetInterForm() { return m_pInterForm; }
 
  private:
   CPDFSDK_InterForm* m_pInterForm;
   CXFA_FFWidget* m_hXFAWidget;
 };
 #endif  // PDF_ENABLE_XFA
 
-class CPDFSDK_InterForm : public CPDF_FormNotify {
+class CPDFSDK_InterForm : public IPDF_FormNotify {
  public:
   explicit CPDFSDK_InterForm(CPDFSDK_Document* pDocument);
   ~CPDFSDK_InterForm() override;
 
-  CPDF_InterForm* GetInterForm() const { return m_pInterForm; }
+  CPDF_InterForm* GetInterForm() const { return m_pInterForm.get(); }
   CPDFSDK_Document* GetDocument() const { return m_pDocument; }
 
   FX_BOOL HighlightWidgets();
 
   CPDFSDK_Widget* GetSibling(CPDFSDK_Widget* pWidget, FX_BOOL bNext) const;
   CPDFSDK_Widget* GetWidget(CPDF_FormControl* pControl) const;
   void GetWidgets(const CFX_WideString& sFieldName,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
   void GetWidgets(CPDF_FormField* pField,
                   std::vector<CPDFSDK_Widget*>* widgets) const;
@@ skipping 42 matching lines @@
   FX_BOOL ExportFieldsToFDFTextBuf(const std::vector<CPDF_FormField*>& fields,
                                    bool bIncludeOrExclude,
                                    CFX_ByteTextBuf& textBuf);
   CFX_WideString GetTemporaryFileName(const CFX_WideString& sFileExt);
 
 #ifdef PDF_ENABLE_XFA
   void SynchronizeField(CPDF_FormField* pFormField, FX_BOOL bSynchronizeElse);
 #endif  // PDF_ENABLE_XFA
 
  private:
-  // CPDF_FormNotify:
+  // IPDF_FormNotify:
   int BeforeValueChange(CPDF_FormField* pField,
                         const CFX_WideString& csValue) override;
   void AfterValueChange(CPDF_FormField* pField) override;
   int BeforeSelectionChange(CPDF_FormField* pField,
                             const CFX_WideString& csValue) override;
   void AfterSelectionChange(CPDF_FormField* pField) override;
   void AfterCheckedStatusChange(CPDF_FormField* pField) override;
   int BeforeFormReset(CPDF_InterForm* pForm) override;
   void AfterFormReset(CPDF_InterForm* pForm) override;
   int BeforeFormImportData(CPDF_InterForm* pForm) override;
   void AfterFormImportData(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;
 
   using CPDFSDK_WidgetMap = std::map<CPDF_FormControl*, CPDFSDK_Widget*>;
 
   CPDFSDK_Document* m_pDocument;
-  CPDF_InterForm* m_pInterForm;
+  std::unique_ptr<CPDF_InterForm> m_pInterForm;
   CPDFSDK_WidgetMap m_Map;
 #ifdef PDF_ENABLE_XFA
   std::map<CXFA_FFWidget*, CPDFSDK_XFAWidget*> m_XFAMap;
   FX_BOOL m_bXfaCalculate;
   FX_BOOL m_bXfaValidationsEnabled;
 #endif  // PDF_ENABLE_XFA
   FX_BOOL m_bCalculate;
   FX_BOOL m_bBusy;
 
  public:
@@ skipping 41 matching lines @@
                                      const CPDFSDK_Annot* p2);
 
   TabOrder m_eTabOrder;
   CPDFSDK_PageView* m_pPageView;
   CFX_ByteString m_sType;
   CFX_ByteString m_sSubType;
   std::vector<CPDFSDK_Annot*> m_Annots;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_BASEFORM_H_