Get rid of NULLs in fpdfsdk/

fpdfsdk/fxedit/fxet_list.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/fxedit/include/fxet_list.h"
 
 #include "core/fpdfdoc/include/cpvt_word.h"
 #include "fpdfsdk/fxedit/include/fxet_edit.h"
@@ skipping 56 matching lines @@
   pIterator->SetAt(1);
   pIterator->GetWord(word);
   return word.Word;
 }
 
 CFX_WideString CFX_ListItem::GetText() const {
   return m_pEdit->GetText();
 }
 
 CFX_List::CFX_List()
-    : m_fFontSize(0.0f), m_pFontMap(NULL), m_bMultiple(FALSE) {}
+    : m_fFontSize(0.0f), m_pFontMap(nullptr), m_bMultiple(FALSE) {}
 
 CFX_List::~CFX_List() {
   Empty();
 }
 
 void CFX_List::Empty() {
   for (int32_t i = 0, sz = m_aListItems.GetSize(); i < sz; i++)
     delete m_aListItems.GetAt(i);
 
   m_aListItems.RemoveAll();
@@ skipping 30 matching lines @@
   }
 
   SetContentRect(CLST_Rect(0.0f, 0.0f, 0.0f, fPosY));
 }
 
 IFX_Edit* CFX_List::GetItemEdit(int32_t nIndex) const {
   if (CFX_ListItem* pListItem = m_aListItems.GetAt(nIndex)) {
     return pListItem->GetEdit();
   }
 
-  return NULL;
+  return nullptr;
 }
 
 int32_t CFX_List::GetCount() const {
   return m_aListItems.GetSize();
 }
 
 CFX_FloatRect CFX_List::GetPlateRect() const {
   return CFX_ListContainer::GetPlateRect();
 }
 
@@ skipping 232 matching lines @@
         delete pItem;
         m_aItems.RemoveAt(i);
       } else {
         pItem->nState = 0;
       }
     }
   }
 }
 
 CFX_ListCtrl::CFX_ListCtrl()
-    : m_pNotify(NULL),
+    : m_pNotify(nullptr),
       m_bNotifyFlag(FALSE),
       m_ptScrollPos(0.0f, 0.0f),
       m_nSelItem(-1),
       m_nFootIndex(-1),
       m_bCtrlSel(FALSE),
       m_nCaretIndex(-1) {}
 
 CFX_ListCtrl::~CFX_ListCtrl() {}
 
 void CFX_ListCtrl::SetNotify(IFX_List_Notify* pNotify) {
@@ skipping 385 matching lines @@
 
 int32_t CFX_ListCtrl::GetItemIndex(const CFX_FloatPoint& point) const {
   return CFX_List::GetItemIndex(OutToIn(point));
 }
 
 CFX_WideString CFX_ListCtrl::GetText() const {
   if (IsMultipleSel())
     return GetItemText(m_nCaretIndex);
   return GetItemText(m_nSelItem);
 }