Replace some calls to Release() with direct delete, part 1.

xfa/fee/fde_txtedtengine.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/fee/fde_txtedtengine.h"
 
 #include <algorithm>
+#include <memory>
 
 #include "xfa/fde/tto/fde_textout.h"
 #include "xfa/fee/fde_txtedtparag.h"
 #include "xfa/fee/ifde_txtedtengine.h"
 #include "xfa/fee/ifde_txtedtpage.h"
 #include "xfa/fwl/basewidget/fwl_editimp.h"
 
 #define FDE_PAGEWIDTH_MAX 0xFFFF
 #define FDE_TXTPLATESIZE (1024 * 12)
 #define FDE_UNICODE_PARAGRAPH_SPERATOR (0x2029)
@@ skipping 1461 matching lines @@
 FX_BOOL CFDE_TxtEdtEngine::MoveHome() {
   UpdateCaretRect(0, TRUE);
   return TRUE;
 }
 FX_BOOL CFDE_TxtEdtEngine::MoveEnd() {
   UpdateCaretRect(GetTextBufLength(), TRUE);
   return TRUE;
 }
 
 FX_BOOL CFDE_TxtEdtEngine::IsFitArea(CFX_WideString& wsText) {
-  CFDE_TextOut* pTextOut = new CFDE_TextOut;
+  std::unique_ptr<CFDE_TextOut> pTextOut(new CFDE_TextOut);
   pTextOut->SetLineSpace(m_Param.fLineSpace);
   pTextOut->SetFont(m_Param.pFont);
   pTextOut->SetFontSize(m_Param.fFontSize);
   CFX_RectF rcText;
   FXSYS_memset(&rcText, 0, sizeof(rcText));
   uint32_t dwStyle = 0;
   if (!(m_Param.dwMode & FDE_TEXTEDITMODE_MultiLines)) {
     dwStyle |= FDE_TTOSTYLE_SingleLine;
   }
   if (m_Param.dwMode & FDE_TEXTEDITMODE_AutoLineWrap) {
     dwStyle |= FDE_TTOSTYLE_LineWrap;
     rcText.width = m_Param.fPlateWidth;
   } else {
     rcText.width = 65535;
   }
   pTextOut->SetStyles(dwStyle);
   wsText += L"\n";
   pTextOut->CalcLogicSize(wsText.c_str(), wsText.GetLength(), rcText);
-  pTextOut->Release();
   wsText.Delete(wsText.GetLength() - 1);
   if ((m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Horz) &&
       (rcText.width > m_Param.fPlateWidth)) {
     return FALSE;
   }
   if ((m_Param.dwMode & FDE_TEXTEDITMODE_LimitArea_Vert) &&
       (rcText.height > m_Param.fLineSpace * m_Param.nLineCount)) {
     return FALSE;
   }
   return TRUE;
@@ skipping 234 matching lines @@
   int32_t nEngine = 0;
   ArchiveLoader >> nEngine;
   m_pEngine = (CFDE_TxtEdtEngine*)(uintptr_t)nEngine;
   int32_t iSel = 0;
   ArchiveLoader >> iSel;
   m_bSel = !!iSel;
   ArchiveLoader >> m_nIndex;
   ArchiveLoader >> m_nCaret;
   ArchiveLoader >> m_wsRange;
 }