Cleanup: Remove some dead code in CPWL_Note.

fpdfsdk/include/pdfwindow/PWL_Note.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_PDFWINDOW_PWL_NOTE_H_
 #define FPDFSDK_INCLUDE_PDFWINDOW_PWL_NOTE_H_
 
 #include "PWL_Button.h"
@@ skipping 289 matching lines @@
   IPWL_NoteItem* Reply();
   void EnableNotify(FX_BOOL bEnabled);
   void SetIconType(int32_t nType);
   void SetOptionsText(const CFX_WideString& sText);
   void EnableRead(FX_BOOL bEnabled);
   void EnableModify(FX_BOOL bEnabled);
 
   CFX_WideString GetReplyString() const;
   void SetReplyString(const CFX_WideString& string);
 
-  // 0-normal / 1-caption / 2-leftbottom corner / 3-rightbottom corner / 4-close
-  // / 5-options
-  int32_t NoteHitTest(const CPDF_Point& point) const;
-  CPDF_Rect GetCaptionRect() const { return m_rcCaption; }
-  IPopup_Note* GetPopupNote() const { return m_pPopupNote; }
-
   // CPWL_NoteItem
   void SetSubjectName(const CFX_WideString& sName) override;
   void SetAuthorName(const CFX_WideString& sName) override;
   CFX_WideString GetAuthorName() const override;
   void SetBkColor(const CPWL_Color& color) override;
   void ResetSubjectName(int32_t nItemIndex) override {}
   FX_BOOL IsTopItem() const override { return TRUE; }
   const CPWL_Note* GetNote() const override;
   IPWL_NoteNotify* GetNoteNotify() const override;
   FX_BOOL OnLButtonDown(const CPDF_Point& point, FX_DWORD nFlag) override;
@@ skipping 17 matching lines @@
   CPWL_Label* m_pAuthor;
   CPWL_Note_Icon* m_pIcon;
   CPWL_Note_CloseBox* m_pCloseBox;
   CPWL_Note_LBBox* m_pLBBox;
   CPWL_Note_RBBox* m_pRBBox;
   CPWL_ScrollBar* m_pContentsBar;
   CPWL_Note_Options* m_pOptions;
   IPWL_NoteNotify* m_pNoteNotify;
   FX_BOOL m_bResizing;
   PWL_SCROLL_INFO m_OldScrollInfo;
-  CPDF_Rect m_rcCaption;
-  FX_BOOL m_bEnalbleNotify;
-  IPopup_Note* m_pPopupNote;
+  FX_BOOL m_bEnableNotify;
   CFX_WideString m_sReplyString;
 };
 
 #endif  // FPDFSDK_INCLUDE_PDFWINDOW_PWL_NOTE_H_