Replace CFX_PtrArray with typesafe CFX_ArrayTemplate, part 8

xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.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");
@@ skipping 61 matching lines @@
   infoCoefficients.SetSize(dataBytes);
   for (int32_t x = 0; x < dataBytes; x++) {
     infoCoefficients[x] = toEncode->operator[](x);
   }
   CBC_ReedSolomonGF256Poly info;
   info.Init(m_field, &infoCoefficients, e);
   BC_EXCEPTION_CHECK_ReturnVoid(e);
   std::unique_ptr<CBC_ReedSolomonGF256Poly> infoTemp(
       info.MultiplyByMonomial(ecBytes, 1, e));
   BC_EXCEPTION_CHECK_ReturnVoid(e);
-  std::unique_ptr<CFX_PtrArray> temp(infoTemp->Divide(generator, e));
+  std::unique_ptr<CFX_ArrayTemplate<CBC_ReedSolomonGF256Poly*>> temp(
+      infoTemp->Divide(generator, e));
   BC_EXCEPTION_CHECK_ReturnVoid(e);
-  CBC_ReedSolomonGF256Poly* remainder =
-      (CBC_ReedSolomonGF256Poly*)(temp->operator[](1));
+  CBC_ReedSolomonGF256Poly* remainder = (*temp)[1];
   CFX_Int32Array* coefficients = remainder->GetCoefficients();
   int32_t numZeroCoefficients = ecBytes - coefficients->GetSize();
   for (int32_t i = 0; i < numZeroCoefficients; i++) {
     (*toEncode)[dataBytes + i] = 0;
   }
   for (int32_t y = 0; y < coefficients->GetSize(); y++) {
     (*toEncode)[dataBytes + numZeroCoefficients + y] =
         coefficients->operator[](y);
   }
   for (int32_t k = 0; k < temp->GetSize(); k++) {
-    delete (CBC_ReedSolomonGF256Poly*)(*temp)[k];
+    delete (*temp)[k];
   }
 }
 CBC_ReedSolomonEncoder::~CBC_ReedSolomonEncoder() {
   for (int32_t i = 0; i < m_cachedGenerators.GetSize(); i++)
     delete m_cachedGenerators[i];
 }