Avoid the ptr.reset(new XXX()) anti-pattern

xfa/fxbarcode/oned/BC_OneDimWriter.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
 // Original code is licensed as follows:
 /*
  * Copyright 2011 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 13 matching lines @@
 
 #include <algorithm>
 #include <memory>
 
 #include "core/fxge/cfx_fxgedevice.h"
 #include "core/fxge/cfx_gemodule.h"
 #include "core/fxge/cfx_graphstatedata.h"
 #include "core/fxge/cfx_pathdata.h"
 #include "core/fxge/cfx_renderdevice.h"
 #include "core/fxge/cfx_unicodeencodingex.h"
+#include "third_party/base/ptr_util.h"
 #include "xfa/fxbarcode/BC_Writer.h"
 #include "xfa/fxbarcode/common/BC_CommonBitMatrix.h"
 
 CBC_OneDimWriter::CBC_OneDimWriter() {
   m_locTextLoc = BC_TEXT_LOC_BELOWEMBED;
   m_bPrintChecksum = true;
   m_iDataLenth = 0;
   m_bCalcChecksum = false;
   m_pFont = nullptr;
   m_fFontSize = 10;
@@ skipping 391 matching lines @@
     }
   }
   int32_t outputWidth = codeLength;
   if (!isDevice) {
     outputWidth = (int32_t)(codeLength * m_multiple / dataLengthScale);
   }
   m_barWidth = m_Width;
   if (!isDevice) {
     m_barWidth = codeLength * m_multiple;
   }
-  m_output.reset(new CBC_CommonBitMatrix);
+  m_output = pdfium::MakeUnique<CBC_CommonBitMatrix>();
   m_output->Init(outputWidth, outputHeight);
   int32_t outputX = leftPadding * m_multiple;
   for (int32_t inputX = 0; inputX < codeOldLength; inputX++) {
     if (code[inputX] == 1) {
       if (outputX >= outputWidth) {
         break;
       }
       if (outputX + m_multiple > outputWidth && outputWidth - outputX > 0) {
         m_output->SetRegion(outputX, 0, outputWidth - outputX, outputHeight, e);
         break;
@@ skipping 11 matching lines @@
 
 CFX_WideString CBC_OneDimWriter::FilterContents(
     const CFX_WideStringC& contents) {
   return CFX_WideString();
 }
 
 CFX_WideString CBC_OneDimWriter::RenderTextContents(
     const CFX_WideStringC& contents) {
   return CFX_WideString();
 }