Get rid of NULLs in fpdfsdk/

fpdfsdk/formfiller/cffl_textfield.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 "fpdfsdk/formfiller/cffl_textfield.h"
 
 #include "fpdfsdk/formfiller/cba_fontmap.h"
 #include "fpdfsdk/include/fsdk_common.h"
 #include "fpdfsdk/include/fsdk_mgr.h"
 
 CFFL_TextField::CFFL_TextField(CPDFDoc_Environment* pApp, CPDFSDK_Annot* pAnnot)
-    : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(NULL) {
+    : CFFL_FormFiller(pApp, pAnnot), m_pFontMap(nullptr) {
   m_State.nStart = m_State.nEnd = 0;
 }
 
 CFFL_TextField::~CFFL_TextField() {
   for (const auto& it : m_Maps)
     it.second->InvalidateFocusHandler(this);
   delete m_pFontMap;
 }
 
 PWL_CREATEPARAM CFFL_TextField::GetCreateParam() {
   PWL_CREATEPARAM cp = CFFL_FormFiller::GetCreateParam();
 
   int nFlags = m_pWidget->GetFieldFlags();
 
   if (nFlags & FIELDFLAG_PASSWORD) {
     cp.dwFlags |= PES_PASSWORD;
   }
 
-  if (!(nFlags & FIELDFLAG_DONOTSPELLCHECK)) {
-  }
-
   if (nFlags & FIELDFLAG_MULTILINE) {
     cp.dwFlags |= PES_MULTILINE | PES_AUTORETURN | PES_TOP;
 
     if (!(nFlags & FIELDFLAG_DONOTSCROLL)) {
       cp.dwFlags |= PWS_VSCROLL | PES_AUTOSCROLL;
     }
   } else {
     cp.dwFlags |= PES_CENTER;
 
     if (!(nFlags & FIELDFLAG_DONOTSCROLL)) {
@@ skipping 191 matching lines @@
   }
 }
 
 CPWL_Wnd* CFFL_TextField::ResetPDFWindow(CPDFSDK_PageView* pPageView,
                                          FX_BOOL bRestoreValue) {
   if (bRestoreValue)
     SaveState(pPageView);
 
   DestroyPDFWindow(pPageView);
 
-  CPWL_Wnd* pRet = NULL;
+  CPWL_Wnd* pRet = nullptr;
 
   if (bRestoreValue) {
     RestoreState(pPageView);
     pRet = GetPDFWindow(pPageView, FALSE);
   } else {
     pRet = GetPDFWindow(pPageView, TRUE);
   }
 
   m_pWidget->UpdateField();
 
@@ skipping 25 matching lines @@
     m_pApp->FFI_OnSetFieldInputFocus(m_pWidget->GetFormField(), pBuffer,
                                      nCharacters, TRUE);
 
     pEdit->SetEditNotify(this);
   }
 }
 
 void CFFL_TextField::OnKillFocus(CPWL_Wnd* pWnd) {}
 
 void CFFL_TextField::OnAddUndo(CPWL_Edit* pEdit) {}