Move xfa/fxbarcode fxbarcode/

Nothing in fxbarcode/ depends on XFA code. This CL moves xfa/fxbarcode
to be fxbarcode/ and creates a static_library for fxbarcode which is
depend on by the xfa library.

Change-Id: I0b708737b07efb94b769a5238d92af92bc62880d
Reviewed-on: https://pdfium-review.googlesource.com/3291
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

6 files changed, 0 insertions, 621 deletions

diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp
deleted file mode 100644
index 82a729b067..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.cpp
+++ /dev/null
@@ -1,105 +0,0 @@
-// 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/fxbarcode/common/reedsolomon/BC_ReedSolomon.h"
-
-#include <memory>
-
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-CBC_ReedSolomonEncoder::CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field) {
-  m_field = field;
-}
-
-void CBC_ReedSolomonEncoder::Init() {
-  m_cachedGenerators.push_back(new CBC_ReedSolomonGF256Poly(m_field, 1));
-}
-
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonEncoder::BuildGenerator(size_t degree,
-                                                                 int32_t& e) {
-  if (degree >= m_cachedGenerators.size()) {
-    CBC_ReedSolomonGF256Poly* lastGenerator = m_cachedGenerators.back();
-    for (size_t d = m_cachedGenerators.size(); d <= degree; ++d) {
-      std::vector<int32_t> temp = {1, m_field->Exp(d - 1)};
-      CBC_ReedSolomonGF256Poly temp_poly;
-      temp_poly.Init(m_field, &temp, e);
-      if (e != BCExceptionNO)
-        return nullptr;
-      CBC_ReedSolomonGF256Poly* nextGenerator =
-          lastGenerator->Multiply(&temp_poly, e);
-      if (e != BCExceptionNO)
-        return nullptr;
-      m_cachedGenerators.push_back(nextGenerator);
-      lastGenerator = nextGenerator;
-    }
-  }
-  return m_cachedGenerators[degree];
-}
-
-void CBC_ReedSolomonEncoder::Encode(std::vector<int32_t>* toEncode,
-                                    size_t ecBytes,
-                                    int32_t& e) {
-  if (ecBytes == 0) {
-    e = BCExceptionNoCorrectionBytes;
-    return;
-  }
-  if (toEncode->size() <= ecBytes) {
-    e = BCExceptionNoDataBytesProvided;
-    return;
-  }
-  CBC_ReedSolomonGF256Poly* generator = BuildGenerator(ecBytes, e);
-  if (e != BCExceptionNO)
-    return;
-  size_t dataBytes = toEncode->size() - ecBytes;
-  std::vector<int32_t> infoCoefficients(dataBytes);
-  for (size_t x = 0; x < dataBytes; x++) {
-    infoCoefficients[x] = (*toEncode)[x];
-  }
-  CBC_ReedSolomonGF256Poly info;
-  info.Init(m_field, &infoCoefficients, e);
-  if (e != BCExceptionNO)
-    return;
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> infoTemp(
-      info.MultiplyByMonomial(ecBytes, 1, e));
-  if (e != BCExceptionNO)
-    return;
-  std::unique_ptr<std::vector<CBC_ReedSolomonGF256Poly*>> temp(
-      infoTemp->Divide(generator, e));
-  if (e != BCExceptionNO)
-    return;
-  CBC_ReedSolomonGF256Poly* remainder = (*temp)[1];
-  std::vector<int32_t>* coefficients = remainder->GetCoefficients();
-  size_t numZeroCoefficients =
-      ecBytes > coefficients->size() ? ecBytes - coefficients->size() : 0;
-  for (size_t i = 0; i < numZeroCoefficients; i++)
-    (*toEncode)[dataBytes + i] = 0;
-  for (size_t y = 0; y < coefficients->size(); y++)
-    (*toEncode)[dataBytes + numZeroCoefficients + y] = (*coefficients)[y];
-  for (size_t k = 0; k < temp->size(); k++)
-    delete (*temp)[k];
-}
-
-CBC_ReedSolomonEncoder::~CBC_ReedSolomonEncoder() {
-  for (size_t i = 0; i < m_cachedGenerators.size(); i++)
-    delete m_cachedGenerators[i];
-}
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.h
deleted file mode 100644
index 5e5c7c52d3..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomon.h
+++ /dev/null
@@ -1,32 +0,0 @@
-// 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
-
-#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
-#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
-
-#include <vector>
-
-#include "core/fxcrt/fx_basic.h"
-
-class CBC_ReedSolomonGF256;
-class CBC_ReedSolomonGF256Poly;
-
-class CBC_ReedSolomonEncoder {
- public:
-  explicit CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field);
-  virtual ~CBC_ReedSolomonEncoder();
-
-  void Encode(std::vector<int32_t>* toEncode, size_t ecBytes, int32_t& e);
-  virtual void Init();
-
- private:
-  CBC_ReedSolomonGF256Poly* BuildGenerator(size_t degree, int32_t& e);
-
-  CBC_ReedSolomonGF256* m_field;
-  std::vector<CBC_ReedSolomonGF256Poly*> m_cachedGenerators;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMON_H_
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
deleted file mode 100644
index 349ed0789a..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.cpp
+++ /dev/null
@@ -1,135 +0,0 @@
-// 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/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-
-#include <vector>
-
-#include "third_party/base/ptr_util.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::QRCodeField = nullptr;
-CBC_ReedSolomonGF256* CBC_ReedSolomonGF256::DataMatrixField = nullptr;
-
-void CBC_ReedSolomonGF256::Initialize() {
-  QRCodeField = new CBC_ReedSolomonGF256(0x011D);
-  QRCodeField->Init();
-  DataMatrixField = new CBC_ReedSolomonGF256(0x012D);
-  DataMatrixField->Init();
-}
-
-void CBC_ReedSolomonGF256::Finalize() {
-  delete QRCodeField;
-  QRCodeField = nullptr;
-  delete DataMatrixField;
-  DataMatrixField = nullptr;
-}
-
-CBC_ReedSolomonGF256::CBC_ReedSolomonGF256(int32_t primitive) {
-  int32_t x = 1;
-  for (int32_t j = 0; j < 256; j++) {
-    m_expTable[j] = x;
-    x <<= 1;
-    if (x >= 0x100) {
-      x ^= primitive;
-    }
-  }
-  for (int32_t i = 0; i < 255; i++) {
-    m_logTable[m_expTable[i]] = i;
-  }
-  m_logTable[0] = 0;
-}
-
-void CBC_ReedSolomonGF256::Init() {
-  m_zero = pdfium::MakeUnique<CBC_ReedSolomonGF256Poly>(this, 0);
-  m_one = pdfium::MakeUnique<CBC_ReedSolomonGF256Poly>(this, 1);
-}
-
-CBC_ReedSolomonGF256::~CBC_ReedSolomonGF256() {}
-
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetZero() const {
-  return m_zero.get();
-}
-
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::GetOne() const {
-  return m_one.get();
-}
-
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256::BuildMonomial(
-    int32_t degree,
-    int32_t coefficient,
-    int32_t& e) {
-  if (degree < 0) {
-    e = BCExceptionDegreeIsNegative;
-    return nullptr;
-  }
-  if (coefficient == 0) {
-    CBC_ReedSolomonGF256Poly* temp = m_zero->Clone(e);
-    if (e != BCExceptionNO)
-      return nullptr;
-    return temp;
-  }
-  std::vector<int32_t> coefficients(degree + 1);
-  coefficients[0] = coefficient;
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(this, &coefficients, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-
-int32_t CBC_ReedSolomonGF256::AddOrSubtract(int32_t a, int32_t b) {
-  return a ^ b;
-}
-
-int32_t CBC_ReedSolomonGF256::Exp(int32_t a) {
-  return m_expTable[a];
-}
-
-int32_t CBC_ReedSolomonGF256::Log(int32_t a, int32_t& e) {
-  if (a == 0) {
-    e = BCExceptionAIsZero;
-    return 0;
-  }
-  return m_logTable[a];
-}
-
-int32_t CBC_ReedSolomonGF256::Inverse(int32_t a, int32_t& e) {
-  if (a == 0) {
-    e = BCExceptionAIsZero;
-    return 0;
-  }
-  return m_expTable[255 - m_logTable[a]];
-}
-
-int32_t CBC_ReedSolomonGF256::Multiply(int32_t a, int32_t b) {
-  if (a == 0 || b == 0) {
-    return 0;
-  }
-  if (a == 1) {
-    return b;
-  }
-  if (b == 1) {
-    return a;
-  }
-  return m_expTable[(m_logTable[a] + m_logTable[b]) % 255];
-}
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h
deleted file mode 100644
index 16f1ad17f7..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h
+++ /dev/null
@@ -1,47 +0,0 @@
-// 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
-
-#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256_H_
-#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256_H_
-
-#include <memory>
-
-#include "core/fxcrt/fx_basic.h"
-#include "xfa/fxbarcode/utils.h"
-
-class CBC_ReedSolomonGF256Poly;
-
-class CBC_ReedSolomonGF256 {
- public:
-  explicit CBC_ReedSolomonGF256(int32_t primitive);
-  virtual ~CBC_ReedSolomonGF256();
-
-  static void Initialize();
-  static void Finalize();
-
-  CBC_ReedSolomonGF256Poly* GetZero() const;
-  CBC_ReedSolomonGF256Poly* GetOne() const;
-  CBC_ReedSolomonGF256Poly* BuildMonomial(int32_t degree,
-                                          int32_t coefficient,
-                                          int32_t& e);
-  static int32_t AddOrSubtract(int32_t a, int32_t b);
-  int32_t Exp(int32_t a);
-  int32_t Log(int32_t a, int32_t& e);
-  int32_t Inverse(int32_t a, int32_t& e);
-  int32_t Multiply(int32_t a, int32_t b);
-  virtual void Init();
-
-  static CBC_ReedSolomonGF256* QRCodeField;
-  static CBC_ReedSolomonGF256* DataMatrixField;
-
- private:
-  int32_t m_expTable[256];
-  int32_t m_logTable[256];
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> m_zero;
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> m_one;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256_H_
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp
deleted file mode 100644
index e4ee30b586..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.cpp
+++ /dev/null
@@ -1,253 +0,0 @@
-// 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/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
-
-#include <memory>
-#include <utility>
-
-#include "third_party/base/stl_util.h"
-#include "xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
-
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field,
-                                                   int32_t coefficients) {
-  if (!field)
-    return;
-
-  m_field = field;
-  m_coefficients.push_back(coefficients);
-}
-
-CBC_ReedSolomonGF256Poly::CBC_ReedSolomonGF256Poly() {
-  m_field = nullptr;
-}
-
-void CBC_ReedSolomonGF256Poly::Init(CBC_ReedSolomonGF256* field,
-                                    std::vector<int32_t>* coefficients,
-                                    int32_t& e) {
-  if (!coefficients || coefficients->empty()) {
-    e = BCExceptionCoefficientsSizeIsNull;
-    return;
-  }
-  m_field = field;
-  size_t coefficientsLength = coefficients->size();
-  if (coefficientsLength > 1 && coefficients->front() == 0) {
-    size_t firstNonZero = 1;
-    while (firstNonZero < coefficientsLength &&
-           (*coefficients)[firstNonZero] == 0) {
-      firstNonZero++;
-    }
-    if (firstNonZero == coefficientsLength) {
-      m_coefficients = *(m_field->GetZero()->GetCoefficients());
-    } else {
-      m_coefficients.resize(coefficientsLength - firstNonZero);
-      for (size_t i = firstNonZero, j = 0; i < coefficientsLength; i++, j++)
-        m_coefficients[j] = (*coefficients)[i];
-    }
-  } else {
-    m_coefficients = *coefficients;
-  }
-}
-
-std::vector<int32_t>* CBC_ReedSolomonGF256Poly::GetCoefficients() {
-  return &m_coefficients;
-}
-
-int32_t CBC_ReedSolomonGF256Poly::GetDegree() {
-  return pdfium::CollectionSize<int32_t>(m_coefficients) - 1;
-}
-
-bool CBC_ReedSolomonGF256Poly::IsZero() {
-  return m_coefficients.front() == 0;
-}
-
-int32_t CBC_ReedSolomonGF256Poly::GetCoefficients(int32_t degree) {
-  return m_coefficients[m_coefficients.size() - 1 - degree];
-}
-
-int32_t CBC_ReedSolomonGF256Poly::EvaluateAt(int32_t a) {
-  if (a == 0) {
-    return GetCoefficients(0);
-  }
-  size_t size = m_coefficients.size();
-  if (a == 1) {
-    int32_t result = 0;
-    for (size_t i = 0; i < size; i++)
-      result = CBC_ReedSolomonGF256::AddOrSubtract(result, m_coefficients[i]);
-    return result;
-  }
-  int32_t result = m_coefficients[0];
-  for (size_t j = 1; j < size; j++) {
-    result = CBC_ReedSolomonGF256::AddOrSubtract(m_field->Multiply(a, result),
-                                                 m_coefficients[j]);
-  }
-  return result;
-}
-
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Clone(int32_t& e) {
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &m_coefficients, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::AddOrSubtract(
-    CBC_ReedSolomonGF256Poly* other,
-    int32_t& e) {
-  if (IsZero())
-    return other->Clone(e);
-  if (other->IsZero())
-    return Clone(e);
-
-  std::vector<int32_t> smallerCoefficients = m_coefficients;
-  std::vector<int32_t> largerCoefficients = *(other->GetCoefficients());
-  if (smallerCoefficients.size() > largerCoefficients.size()) {
-    std::swap(smallerCoefficients, largerCoefficients);
-  }
-  std::vector<int32_t> sumDiff(largerCoefficients.size());
-  size_t lengthDiff = largerCoefficients.size() - smallerCoefficients.size();
-  for (size_t i = 0; i < lengthDiff; i++) {
-    sumDiff[i] = largerCoefficients[i];
-  }
-  for (size_t j = lengthDiff; j < largerCoefficients.size(); j++) {
-    sumDiff[j] = CBC_ReedSolomonGF256::AddOrSubtract(
-        smallerCoefficients[j - lengthDiff], largerCoefficients[j]);
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &sumDiff, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(
-    CBC_ReedSolomonGF256Poly* other,
-    int32_t& e) {
-  if (IsZero() || other->IsZero())
-    return m_field->GetZero()->Clone(e);
-
-  std::vector<int32_t> aCoefficients = m_coefficients;
-  std::vector<int32_t> bCoefficients = *(other->GetCoefficients());
-  size_t aLength = aCoefficients.size();
-  size_t bLength = bCoefficients.size();
-  std::vector<int32_t> product(aLength + bLength - 1);
-  for (size_t i = 0; i < aLength; i++) {
-    int32_t aCoeff = m_coefficients[i];
-    for (size_t j = 0; j < bLength; j++) {
-      product[i + j] = CBC_ReedSolomonGF256::AddOrSubtract(
-          product[i + j],
-          m_field->Multiply(aCoeff, (*other->GetCoefficients())[j]));
-    }
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::Multiply(int32_t scalar,
-                                                             int32_t& e) {
-  if (scalar == 0)
-    return m_field->GetZero()->Clone(e);
-  if (scalar == 1)
-    return Clone(e);
-
-  size_t size = m_coefficients.size();
-  std::vector<int32_t> product(size);
-  for (size_t i = 0; i < size; i++) {
-    product[i] = m_field->Multiply(m_coefficients[i], scalar);
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-CBC_ReedSolomonGF256Poly* CBC_ReedSolomonGF256Poly::MultiplyByMonomial(
-    int32_t degree,
-    int32_t coefficient,
-    int32_t& e) {
-  if (degree < 0) {
-    e = BCExceptionDegreeIsNegative;
-    return nullptr;
-  }
-  if (coefficient == 0)
-    return m_field->GetZero()->Clone(e);
-
-  size_t size = m_coefficients.size();
-  std::vector<int32_t> product(size + degree);
-  for (size_t i = 0; i < size; i++) {
-    product[i] = m_field->Multiply(m_coefficients[i], coefficient);
-  }
-  CBC_ReedSolomonGF256Poly* temp = new CBC_ReedSolomonGF256Poly();
-  temp->Init(m_field, &product, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  return temp;
-}
-
-std::vector<CBC_ReedSolomonGF256Poly*>* CBC_ReedSolomonGF256Poly::Divide(
-    CBC_ReedSolomonGF256Poly* other,
-    int32_t& e) {
-  if (other->IsZero()) {
-    e = BCExceptionDivideByZero;
-    return nullptr;
-  }
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> quotient(
-      m_field->GetZero()->Clone(e));
-  if (e != BCExceptionNO)
-    return nullptr;
-  std::unique_ptr<CBC_ReedSolomonGF256Poly> remainder(Clone(e));
-  if (e != BCExceptionNO)
-    return nullptr;
-  int32_t denominatorLeadingTerm = other->GetCoefficients(other->GetDegree());
-  int32_t inverseDenominatorLeadingTeam =
-      m_field->Inverse(denominatorLeadingTerm, e);
-  if (e != BCExceptionNO)
-    return nullptr;
-  while (remainder->GetDegree() >= other->GetDegree() && !remainder->IsZero()) {
-    int32_t degreeDifference = remainder->GetDegree() - other->GetDegree();
-    int32_t scale =
-        m_field->Multiply(remainder->GetCoefficients((remainder->GetDegree())),
-                          inverseDenominatorLeadingTeam);
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> term(
-        other->MultiplyByMonomial(degreeDifference, scale, e));
-    if (e != BCExceptionNO)
-      return nullptr;
-    std::unique_ptr<CBC_ReedSolomonGF256Poly> iteratorQuotient(
-        m_field->BuildMonomial(degreeDifference, scale, e));
-    if (e != BCExceptionNO)
-      return nullptr;
-    quotient.reset(quotient->AddOrSubtract(iteratorQuotient.get(), e));
-    if (e != BCExceptionNO)
-      return nullptr;
-    remainder.reset(remainder->AddOrSubtract(term.get(), e));
-    if (e != BCExceptionNO)
-      return nullptr;
-  }
-  std::vector<CBC_ReedSolomonGF256Poly*>* tempPtrA =
-      new std::vector<CBC_ReedSolomonGF256Poly*>();
-  tempPtrA->push_back(quotient.release());
-  tempPtrA->push_back(remainder.release());
-  return tempPtrA;
-}
-
-CBC_ReedSolomonGF256Poly::~CBC_ReedSolomonGF256Poly() {}
diff --git a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h b/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h
deleted file mode 100644
index 6fc7509399..0000000000
--- a/xfa/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// 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
-
-#ifndef XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
-#define XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_
-
-#include <vector>
-
-#include "core/fxcrt/fx_basic.h"
-
-class CBC_ReedSolomonGF256;
-
-class CBC_ReedSolomonGF256Poly final {
- public:
-  CBC_ReedSolomonGF256Poly(CBC_ReedSolomonGF256* field, int32_t coefficients);
-  CBC_ReedSolomonGF256Poly();
-  ~CBC_ReedSolomonGF256Poly();
-  void Init(CBC_ReedSolomonGF256* field,
-            std::vector<int32_t>* coefficients,
-            int32_t& e);
-
-  int32_t GetCoefficients(int32_t degree);
-  std::vector<int32_t>* GetCoefficients();
-  int32_t GetDegree();
-  bool IsZero();
-  int32_t EvaluateAt(int32_t a);
-  CBC_ReedSolomonGF256Poly* AddOrSubtract(CBC_ReedSolomonGF256Poly* other,
-                                          int32_t& e);
-  CBC_ReedSolomonGF256Poly* Multiply(CBC_ReedSolomonGF256Poly* other,
-                                     int32_t& e);
-  CBC_ReedSolomonGF256Poly* Multiply(int32_t scalar, int32_t& e);
-  CBC_ReedSolomonGF256Poly* MultiplyByMonomial(int32_t degree,
-                                               int32_t coefficient,
-                                               int32_t& e);
-  std::vector<CBC_ReedSolomonGF256Poly*>* Divide(
-      CBC_ReedSolomonGF256Poly* other,
-      int32_t& e);
-
-  CBC_ReedSolomonGF256Poly* Clone(int32_t& e);
-
- private:
-  CBC_ReedSolomonGF256* m_field;
-  std::vector<int32_t> m_coefficients;
-};
-
-#endif  // XFA_FXBARCODE_COMMON_REEDSOLOMON_BC_REEDSOLOMONGF256POLY_H_