Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/pdf417/BC_PDF417BoundingBox.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/BC_ResultPoint.h"
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
 #include "xfa/src/fxbarcode/pdf417/BC_PDF417BoundingBox.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 CBC_BoundingBox::CBC_BoundingBox(CBC_CommonBitMatrix* image,
                                  CBC_ResultPoint* topLeft,
                                  CBC_ResultPoint* bottomLeft,
                                  CBC_ResultPoint* topRight,
                                  CBC_ResultPoint* bottomRight,
                                  int32_t& e) {
   if ((topLeft == NULL && topRight == NULL) ||
       (bottomLeft == NULL && bottomRight == NULL) ||
       (topLeft != NULL && bottomLeft == NULL) ||
       (topRight != NULL && bottomRight == NULL)) {
@@ skipping 161 matching lines @@
   m_maxX = (int32_t)(m_topRight->GetX() > m_bottomRight->GetX()
                          ? m_topRight->GetX()
                          : m_bottomRight->GetX());
   m_minY =
       (int32_t)(m_topLeft->GetY() < m_topRight->GetY() ? m_topLeft->GetY()
                                                        : m_topRight->GetY());
   m_maxY = (int32_t)(m_bottomLeft->GetY() > m_bottomRight->GetY()
                          ? m_bottomLeft->GetY()
                          : m_bottomRight->GetY());
 }