Remove include only barcode.h and IWYU.

xfa/src/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");
  * 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/barcode.h"
 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomon.h"
 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
+
 CBC_ReedSolomonEncoder::CBC_ReedSolomonEncoder(CBC_ReedSolomonGF256* field) {
   m_field = field;
 }
 void CBC_ReedSolomonEncoder::Init() {
   m_cachedGenerators.Add(new CBC_ReedSolomonGF256Poly(m_field, 1));
 }
 CBC_ReedSolomonGF256Poly* CBC_ReedSolomonEncoder::BuildGenerator(int32_t degree,
                                                                  int32_t& e) {
   if (degree >= m_cachedGenerators.GetSize()) {
     CBC_ReedSolomonGF256Poly* lastGenerator =
@@ skipping 56 matching lines @@
   }
   for (int32_t k = 0; k < temp->GetSize(); k++) {
     delete (CBC_ReedSolomonGF256Poly*)(*temp)[k];
   }
 }
 CBC_ReedSolomonEncoder::~CBC_ReedSolomonEncoder() {
   for (int32_t i = 0; i < m_cachedGenerators.GetSize(); i++) {
     delete (CBC_ReedSolomonGF256Poly*)m_cachedGenerators[i];
   }
 }