Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.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 2013 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/pdf417/BC_PDF417BoundingBox.h"
 #include "xfa/src/fxbarcode/pdf417/BC_PDF417Codeword.h"
 #include "xfa/src/fxbarcode/pdf417/BC_PDF417DetectionResultColumn.h"
+
 int32_t CBC_DetectionResultColumn::MAX_NEARBY_DISTANCE = 5;
+
 CBC_DetectionResultColumn::CBC_DetectionResultColumn(
     CBC_BoundingBox* boundingBox) {
   m_boundingBox = boundingBox;
   m_codewords = new CFX_PtrArray;
   m_codewords->SetSize(boundingBox->getMaxY() - boundingBox->getMinY() + 1);
 }
 CBC_DetectionResultColumn::~CBC_DetectionResultColumn() {
   for (int32_t i = 0; i < m_codewords->GetSize(); i++) {
     delete (CBC_Codeword*)m_codewords->GetAt(i);
   }
@@ skipping 53 matching lines @@
       row++;
       continue;
     }
     result += (FX_CHAR)row;
     result += codeword->getRowNumber();
     result += codeword->getValue();
     row++;
   }
   return result;
 }