Use smart pointers for class owned pointers in xfa/fxbarcode

xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp

Index: xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp
diff --git a/xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp b/xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp
index 9935326cc117ca36dbada1b424e9ca69a6e7fc4a..51002bab841fa945599990af60f8782edff1c934 100644
--- a/xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp
+++ b/xfa/fxbarcode/qrcode/BC_QRCoderEncoder.cpp
@@ -24,6 +24,7 @@
 
 #include <algorithm>
 #include <memory>
+#include <utility>
 
 #include "xfa/fxbarcode/BC_UtilCodingConvert.h"
 #include "xfa/fxbarcode/common/BC_CommonByteArray.h"
@@ -408,7 +409,7 @@ void CBC_QRCoderEncoder::EncodeWithSpecifyVersion(
                                      qrCode->GetVersion(),
                                      qrCode->GetMaskPattern(), matrix.get(), e);
   BC_EXCEPTION_CHECK_ReturnVoid(e);
-  qrCode->SetMatrix(matrix.release());
+  qrCode->SetMatrix(std::move(matrix));
   if (!qrCode->IsValid()) {
     e = BCExceptionInvalidQRCode;
     BC_EXCEPTION_CHECK_ReturnVoid(e);
@@ -492,7 +493,7 @@ catchException:
   CBC_QRCoderMatrixUtil::BuildMatrix(&finalBits, qrCode->GetECLevel(),
                                      qrCode->GetVersion(),
                                      qrCode->GetMaskPattern(), matrix.get(), e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(matrix.release());
+  BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(std::move(matrix));
   if (!qrCode->IsValid()) {
     e = BCExceptionInvalidQRCode;
     BC_EXCEPTION_CHECK_ReturnVoid(e);
@@ -542,7 +543,7 @@ void CBC_QRCoderEncoder::Encode(const CFX_WideString& content,
   CBC_QRCoderMatrixUtil::BuildMatrix(&finalBits, qrCode->GetECLevel(),
                                      qrCode->GetVersion(),
                                      qrCode->GetMaskPattern(), matrix.get(), e);
-  BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(matrix.release());
+  BC_EXCEPTION_CHECK_ReturnVoid(e) qrCode->SetMatrix(std::move(matrix));
   if (!qrCode->IsValid()) {
     e = BCExceptionInvalidQRCode;
     BC_EXCEPTION_CHECK_ReturnVoid(e);
@@ -595,7 +596,7 @@ int32_t CBC_QRCoderEncoder::ChooseMaskPattern(
     int32_t& e) {
   int32_t minPenalty = 65535;
   int32_t bestMaskPattern = -1;
-  for (int32_t maskPattern = 0; maskPattern < CBC_QRCoder::NUM_MASK_PATTERNS;
+  for (int32_t maskPattern = 0; maskPattern < CBC_QRCoder::kNumMaskPatterns;
        maskPattern++) {
     CBC_QRCoderMatrixUtil::BuildMatrix(bits, ecLevel, version, maskPattern,
                                        matrix, e);
@@ -854,12 +855,13 @@ void CBC_QRCoderEncoder::InterleaveWithECBytes(CBC_QRCoderBitVector* bits,
     GetNumDataBytesAndNumECBytesForBlockID(numTotalBytes, numDataBytes,
                                            numRSBlocks, i, numDataBytesInBlock,
                                            numEcBytesInBlosk);
-    CBC_CommonByteArray* dataBytes = new CBC_CommonByteArray;
+    std::unique_ptr<CBC_CommonByteArray> dataBytes(new CBC_CommonByteArray);
     dataBytes->Set(bits->GetArray(), dataBytesOffset, numDataBytesInBlock);
-    CBC_CommonByteArray* ecBytes =
-        GenerateECBytes(dataBytes, numEcBytesInBlosk, e);
+    std::unique_ptr<CBC_CommonByteArray> ecBytes(
+        GenerateECBytes(dataBytes.get(), numEcBytesInBlosk, e));
     BC_EXCEPTION_CHECK_ReturnVoid(e);
-    blocks.Add(new CBC_QRCoderBlockPair(dataBytes, ecBytes));
+    blocks.Add(
+        new CBC_QRCoderBlockPair(std::move(dataBytes), std::move(ecBytes)));
     maxNumDataBytes = std::max(maxNumDataBytes, dataBytes->Size());
     maxNumEcBytes = std::max(maxNumEcBytes, ecBytes->Size());
     dataBytesOffset += numDataBytesInBlock;