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

xfa/src/fxbarcode/qrcode/BC_QRBitMatrixParser.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/qrcode/BC_QRBitMatrixParser.h"
+
+#include <memory>
+
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
-#include "xfa/src/fxbarcode/qrcode/BC_QRBitMatrixParser.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderFormatInformation.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderVersion.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRDataMask.h"
 #include "xfa/src/fxbarcode/utils.h"
 
 CBC_QRBitMatrixParser::CBC_QRBitMatrixParser() {}
 void CBC_QRBitMatrixParser::Init(CBC_CommonBitMatrix* bitMatrix, int32_t& e) {
   m_dimension = bitMatrix->GetDimension(e);
   BC_EXCEPTION_CHECK_ReturnVoid(e);
   m_tempBitMatrix = bitMatrix;
@@ skipping 98 matching lines @@
   CBC_QRCoderFormatInformation* formatInfo = ReadFormatInformation(e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL) CBC_QRCoderVersion* version =
       ReadVersion(e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   CBC_QRDataMask* dataMask =
       CBC_QRDataMask::ForReference((int32_t)(formatInfo->GetDataMask()), e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   int32_t dimension = m_bitMatrix->GetDimension(e);
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   dataMask->UnmaskBitMatirx(m_bitMatrix, dimension);
-  CBC_CommonBitMatrix* cbm = version->BuildFunctionPattern(e);
+  std::unique_ptr<CBC_CommonBitMatrix> functionPattern(
+      version->BuildFunctionPattern(e));
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
-  CBC_AutoPtr<CBC_CommonBitMatrix> functionPattern(cbm);
   FX_BOOL readingUp = TRUE;
-  CFX_ByteArray* temp = new CFX_ByteArray;
-  temp->SetSize(version->GetTotalCodeWords());
-  CBC_AutoPtr<CFX_ByteArray> result(temp);
+  std::unique_ptr<CFX_ByteArray> result(new CFX_ByteArray);
+  result->SetSize(version->GetTotalCodeWords());
   int32_t resultOffset = 0;
   int32_t currentByte = 0;
   int32_t bitsRead = 0;
   for (int32_t j = dimension - 1; j > 0; j -= 2) {
     if (j == 6) {
       j--;
     }
     for (int32_t count = 0; count < dimension; count++) {
       int32_t i = readingUp ? dimension - 1 - count : count;
       for (int32_t col = 0; col < 2; col++) {
@@ skipping 12 matching lines @@
       }
     }
     readingUp ^= TRUE;
   }
   if (resultOffset != version->GetTotalCodeWords()) {
     e = BCExceptionRead;
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   }
   return result.release();
 }