Fix XFA compilation noise, part 1.

fpdfsdk/include/fsdk_baseannot.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_BASEANNOT_H_
 #define FPDFSDK_INCLUDE_FSDK_BASEANNOT_H_
 
 #if _FX_OS_ == _FX_ANDROID_
@@ skipping 53 matching lines @@
     int8_t tzHour;
     uint8_t tzMinute;
   } dt;
 };
 
 class CPDFSDK_Annot {
  public:
   CPDFSDK_Annot(CPDFSDK_PageView* pPageView);
   virtual ~CPDFSDK_Annot(){};
 
- public:
   virtual FX_BOOL IsXFAField() { return FALSE; }
 
   virtual FX_FLOAT GetMinWidth() const;
   virtual FX_FLOAT GetMinHeight() const;
   // define layout order to 5.
   virtual int GetLayoutOrder() const { return 5; }
 
-  virtual CPDF_Annot* GetPDFAnnot() { return NULL; }
-  virtual IXFA_Widget* GetXFAWidget() { return NULL; }
+  virtual CPDF_Annot* GetPDFAnnot() const { return nullptr; }
+  virtual IXFA_Widget* GetXFAWidget() const { return nullptr; }
 
   virtual CFX_ByteString GetType() const { return ""; }
   virtual CFX_ByteString GetSubType() const { return ""; }
 
   virtual void SetRect(const CPDF_Rect& rect) {}
   virtual CPDF_Rect GetRect() const { return CPDF_Rect(); }
 
   virtual void Annot_OnDraw(CFX_RenderDevice* pDevice,
                             CPDF_Matrix* pUser2Device,
                             CPDF_RenderOptions* pOptions) {}
 
- public:
   CPDF_Page* GetPDFPage();
   CPDFXFA_Page* GetPDFXFAPage();
 
   void SetPage(CPDFSDK_PageView* pPageView) { m_pPageView = pPageView; }
-  CPDFSDK_PageView* GetPageView() { return m_pPageView; }
+  CPDFSDK_PageView* GetPageView() const { return m_pPageView; }
 
   // Tab Order
   int GetTabOrder();
   void SetTabOrder(int iTabOrder);
 
   // Selection
   FX_BOOL IsSelected();
   void SetSelected(FX_BOOL bSelected);
 
  protected:
@@ skipping 10 matching lines @@
 
  public:
   virtual FX_BOOL IsXFAField();
 
   virtual CFX_ByteString GetType() const;
   virtual CFX_ByteString GetSubType() const;
 
   virtual void SetRect(const CPDF_Rect& rect);
   virtual CPDF_Rect GetRect() const;
 
-  virtual CPDF_Annot* GetPDFAnnot();
+  virtual CPDF_Annot* GetPDFAnnot() const;
 
   virtual void Annot_OnDraw(CFX_RenderDevice* pDevice,
                             CPDF_Matrix* pUser2Device,
                             CPDF_RenderOptions* pOptions);
 
  public:
   CPDF_Dictionary* GetAnnotDict() const;
 
   void SetContents(const CFX_WideString& sContents);
   CFX_WideString GetContents() const;
@@ skipping 56 matching lines @@
   virtual void DrawAppearance(CFX_RenderDevice* pDevice,
                               const CPDF_Matrix* pUser2Device,
                               CPDF_Annot::AppearanceMode mode,
                               const CPDF_RenderOptions* pOptions);
   void DrawBorder(CFX_RenderDevice* pDevice,
                   const CPDF_Matrix* pUser2Device,
                   const CPDF_RenderOptions* pOptions);
 
   void ClearCachedAP();
 
-  virtual void ResetAppearance();
   void WriteAppearance(const CFX_ByteString& sAPType,
                        const CPDF_Rect& rcBBox,
                        const CPDF_Matrix& matrix,
                        const CFX_ByteString& sContents,
                        const CFX_ByteString& sAPState = "");
 
  private:
   FX_BOOL CreateFormFiller();
 
  protected:
   CPDF_Annot* m_pAnnot;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_BASEANNOT_H_