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

xfa/fxbarcode/pdf417/BC_PDF417.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 2006 Jeremias Maerki in part, and ZXing Authors in part
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  * http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 #include "xfa/fxbarcode/pdf417/BC_PDF417.h"
+
+#include "third_party/base/ptr_util.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeMatrix.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417BarcodeRow.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417Compaction.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417ErrorCorrection.h"
 #include "xfa/fxbarcode/pdf417/BC_PDF417HighLevelEncoder.h"
 #include "xfa/fxbarcode/utils.h"
 
 const int32_t CBC_PDF417::CODEWORD_TABLE[][929] = {
     {0x1d5c0, 0x1eaf0, 0x1f57c, 0x1d4e0, 0x1ea78, 0x1f53e, 0x1a8c0, 0x1d470,
      0x1a860, 0x15040, 0x1a830, 0x15020, 0x1adc0, 0x1d6f0, 0x1eb7c, 0x1ace0,
@@ skipping 391 matching lines @@
   sb += (FX_WCHAR)n;
   sb += highLevel;
   for (int32_t i = 0; i < pad; i++) {
     sb += (FX_WCHAR)900;
   }
   CFX_WideString dataCodewords(sb);
   CFX_WideString ec = CBC_PDF417ErrorCorrection::generateErrorCorrection(
       dataCodewords, errorCorrectionLevel, e);
   BC_EXCEPTION_CHECK_ReturnVoid(e);
   CFX_WideString fullCodewords = dataCodewords + ec;
-  m_barcodeMatrix.reset(new CBC_BarcodeMatrix(rows, cols));
+  m_barcodeMatrix = pdfium::MakeUnique<CBC_BarcodeMatrix>(rows, cols);
   encodeLowLevel(fullCodewords, cols, rows, errorCorrectionLevel,
                  m_barcodeMatrix.get());
 }
 
 void CBC_PDF417::setDimensions(int32_t maxCols,
                                int32_t minCols,
                                int32_t maxRows,
                                int32_t minRows) {
   m_maxCols = maxCols;
   m_minCols = minCols;
@@ skipping 123 matching lines @@
       dimension->Add(m_minCols);
       dimension->Add(rows);
     }
   }
   if (!dimension) {
     e = BCExceptionUnableToFitMessageInColumns;
     return nullptr;
   }
   return dimension;
 }