Get rid of CBC_AutoPtr and use std::unique_ptr instead.

xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.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 2007 ZXing authors
  *
  * 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/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
+
+#include <memory>
+
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixBitMatrixParser.h"
 #include "xfa/src/fxbarcode/datamatrix/BC_DataMatrixVersion.h"
 #include "xfa/src/fxbarcode/utils.h"
 
 CBC_DataMatrixBitMatrixParser::CBC_DataMatrixBitMatrixParser() {
   m_mappingBitMatrix = NULL;
   m_version = NULL;
   m_readMappingMatrix = NULL;
 }
 void CBC_DataMatrixBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix,
                                          int32_t& e) {
@@ skipping 21 matching lines @@
     CBC_CommonBitMatrix* bitMatrix,
     int32_t& e) {
   int32_t rows = bitMatrix->GetHeight();
   int32_t columns = bitMatrix->GetWidth();
   CBC_DataMatrixVersion* temp =
       CBC_DataMatrixVersion::GetVersionForDimensions(rows, columns, e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   return temp;
 }
 CFX_ByteArray* CBC_DataMatrixBitMatrixParser::ReadCodewords(int32_t& e) {
-  CBC_AutoPtr<CFX_ByteArray> result(new CFX_ByteArray());
+  std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray());
   result->SetSize(m_version->GetTotalCodewords());
   int32_t resultOffset = 0;
   int32_t row = 4;
   int32_t column = 0;
   int32_t numRows = m_mappingBitMatrix->GetHeight();
   int32_t numColumns = m_mappingBitMatrix->GetWidth();
   FX_BOOL corner1Read = FALSE;
   FX_BOOL corner2Read = FALSE;
   FX_BOOL corner3Read = FALSE;
   FX_BOOL corner4Read = FALSE;
@@ skipping 289 matching lines @@
           if (bitMatrix->Get(readColumnOffset, readRowOffset)) {
             int32_t writeColumnOffset = dataRegionColumnOffset + j;
             bitMatrixWithoutAlignment->Set(writeColumnOffset, writeRowOffset);
           }
         }
       }
     }
   }
   return bitMatrixWithoutAlignment;
 }