Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/BC_BinaryBitmap.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 2009 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_Binarizer.h"
 #include "xfa/src/fxbarcode/BC_BinaryBitmap.h"
 #include "xfa/src/fxbarcode/BC_LuminanceSource.h"
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitArray.h"
 #include "xfa/src/fxbarcode/common/BC_CommonBitMatrix.h"
+#include "xfa/src/fxbarcode/utils.h"
+
 CBC_BinaryBitmap::CBC_BinaryBitmap(CBC_Binarizer* binarizer)
     : m_binarizer(binarizer), m_matrix(NULL) {}
 CBC_BinaryBitmap::~CBC_BinaryBitmap() {
   if (m_matrix != NULL) {
     delete m_matrix;
   }
   m_matrix = NULL;
 }
 int32_t CBC_BinaryBitmap::GetHeight() {
   return m_binarizer->GetLuminanceSource()->GetHeight();
@@ skipping 15 matching lines @@
   BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   return temp;
 }
 CBC_CommonBitMatrix* CBC_BinaryBitmap::GetBlackMatrix(int32_t& e) {
   if (m_matrix == NULL) {
     m_matrix = m_binarizer->GetBlackMatrix(e);
     BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
   }
   return m_matrix;
 }