Remove a few unused variables, functions, and member variables.

fpdfsdk/src/pdfwindow/PWL_Note.cpp

 // 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
 
 #include "../../include/pdfwindow/PDFWindow.h"
 #include "../../include/pdfwindow/PWL_Wnd.h"
 #include "../../include/pdfwindow/PWL_Button.h"
 #include "../../include/pdfwindow/PWL_EditCtrl.h"
@@ skipping 1195 matching lines @@
         m_pIcon(NULL),
         m_pCloseBox(NULL),
         m_pContentsBar(NULL),
         m_pLBBox(NULL),
         m_pRBBox(NULL),
         m_pOptions(NULL),
         m_bResizing(FALSE),
         m_rcCaption(0,0,0,0),
         m_pNoteNotify(pNoteNotify),
         m_bEnalbleNotify(TRUE),
-        m_pPopupNote(pPopupNote),
-        m_pNoteHandler(pNoteHandler)
+        m_pPopupNote(pPopupNote)
 {
 }
 
 CPWL_Note::~CPWL_Note()
 {
 }
 
 IPWL_NoteItem* CPWL_Note::Reply()
 {
         return CreateNoteItem();
@@ skipping 542 matching lines @@
 CFX_WideString CPWL_Note::GetReplyString() const
 {
         return m_sReplyString;
 }
 
 void CPWL_Note::SetReplyString(const CFX_WideString& string)
 {
         m_sReplyString = string;
 }