Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonDecoder.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_ReedSolomonDecoder.h"
 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256.h"
 #include "xfa/src/fxbarcode/common/reedsolomon/BC_ReedSolomonGF256Poly.h"
+
 CBC_ReedSolomonDecoder::CBC_ReedSolomonDecoder(CBC_ReedSolomonGF256* field) {
   m_field = field;
 }
 CBC_ReedSolomonDecoder::~CBC_ReedSolomonDecoder() {}
 void CBC_ReedSolomonDecoder::Decode(CFX_Int32Array* received,
                                     int32_t twoS,
                                     int32_t& e) {
   CBC_ReedSolomonGF256Poly poly;
   poly.Init(m_field, received, e);
   BC_EXCEPTION_CHECK_ReturnVoid(e);
@@ skipping 193 matching lines @@
                                                   xiInverse)));
       }
     }
     int32_t temp = m_field->Inverse(denominator, temp);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     (*result)[i] =
         m_field->Multiply(errorEvaluator->EvaluateAt(xiInverse), temp);
   }
   return result.release();
 }