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

xfa/src/fxbarcode/oned/BC_OneDimReader.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 2008 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/oned/BC_OneDimReader.h"
+
+#include <memory>
+
 #include "xfa/src/fxbarcode/BC_Reader.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h"
 #include "xfa/src/fxbarcode/oned/BC_OneDReader.h"
-#include "xfa/src/fxbarcode/oned/BC_OneDimReader.h"
 #include "xfa/src/fxbarcode/utils.h"
 
 const int32_t CBC_OneDimReader::MAX_AVG_VARIANCE = (int32_t)(256 * 0.48f);
 const int32_t CBC_OneDimReader::MAX_INDIVIDUAL_VARIANCE = (int32_t)(256 * 0.7f);
 const int32_t CBC_OneDimReader::START_END_PATTERN[3] = {1, 1, 1};
 const int32_t CBC_OneDimReader::MIDDLE_PATTERN[5] = {1, 1, 1, 1, 1};
 const int32_t CBC_OneDimReader::L_PATTERNS[10][4] = {
     {3, 2, 1, 1}, {2, 2, 2, 1}, {2, 1, 2, 2}, {1, 4, 1, 1}, {1, 1, 3, 2},
     {1, 2, 3, 1}, {1, 1, 1, 4}, {1, 3, 1, 2}, {1, 2, 1, 3}, {3, 1, 1, 2}};
 const int32_t CBC_OneDimReader::L_AND_G_PATTERNS[20][4] = {
@@ skipping 29 matching lines @@
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
       foundStart = booT;
     }
   }
   return startRange;
 }
 CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
                                            CBC_CommonBitArray* row,
                                            int32_t hints,
                                            int32_t& e) {
-  CFX_Int32Array* StartPattern = FindStartGuardPattern(row, e);
+  std::unique_ptr<CFX_Int32Array> result(FindStartGuardPattern(row, e));
   BC_EXCEPTION_CHECK_ReturnValue(e, "");
-  CBC_AutoPtr<CFX_Int32Array> result(StartPattern);
   CFX_ByteString temp = DecodeRow(rowNumber, row, result.get(), hints, e);
   BC_EXCEPTION_CHECK_ReturnValue(e, "");
   return temp;
 }
 CFX_ByteString CBC_OneDimReader::DecodeRow(int32_t rowNumber,
                                            CBC_CommonBitArray* row,
                                            CFX_Int32Array* startGuardRange,
                                            int32_t hints,
                                            int32_t& e) {
   CFX_ByteString result;
@@ skipping 121 matching lines @@
     }
   }
   if (bestMatch >= 0) {
     return bestMatch;
   } else {
     e = BCExceptionNotFound;
     return 0;
   }
   return 0;
 }