Get rid of NULLs in core/

xfa/fde/cfde_txtedtpage.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 "xfa/fde/cfde_txtedtpage.h"
 
 #include <algorithm>
 
@@ skipping 11 matching lines @@
 const double kTolerance = 0.1f;
 
 }  // namespace
 
 IFDE_TxtEdtPage* IFDE_TxtEdtPage::Create(CFDE_TxtEdtEngine* pEngine,
                                          int32_t nIndex) {
   return (IFDE_TxtEdtPage*)new CFDE_TxtEdtPage(pEngine, nIndex);
 }
 
 CFDE_TxtEdtPage::CFDE_TxtEdtPage(CFDE_TxtEdtEngine* pEngine, int32_t nPageIndex)
-    : m_pIter(nullptr),
-      m_pTextSet(nullptr),
+    : m_pTextSet(nullptr),
       m_pBgnParag(nullptr),
       m_pEndParag(nullptr),
       m_nRefCount(0),
       m_nPageStart(-1),
       m_nCharCount(0),
       m_nPageIndex(nPageIndex),
       m_bLoaded(FALSE),
       m_pCharWidth(nullptr) {
   FXSYS_memset(&m_rtPage, 0, sizeof(CFX_RectF));
   FXSYS_memset(&m_rtPageMargin, 0, sizeof(CFX_RectF));
@@ skipping 497 matching lines @@
     ptF.x = rtF.left;
   } else if (ptF.x >= rtF.right()) {
     ptF.x = rtF.right() - fTolerance;
   }
   if (ptF.y < rtF.top) {
     ptF.y = rtF.top;
   } else if (ptF.y >= rtF.bottom()) {
     ptF.y = rtF.bottom() - fTolerance;
   }
 }