Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/qrcode/BC_QRAlignmentPattern.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/BC_ResultPoint.h"
-#include "xfa/src/fxbarcode/barcode.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRAlignmentPattern.h"
+
 CBC_QRAlignmentPattern::CBC_QRAlignmentPattern(FX_FLOAT posX,
                                                FX_FLOAT posY,
                                                FX_FLOAT estimateModuleSize)
     : CBC_ResultPoint(posX, posY), m_moduleSize(estimateModuleSize) {}
 CBC_QRAlignmentPattern::~CBC_QRAlignmentPattern() {}
 FX_FLOAT CBC_QRAlignmentPattern::GetX() {
   return m_x;
 }
 FX_FLOAT CBC_QRAlignmentPattern::GetY() {
   return m_y;
 }
 FX_BOOL CBC_QRAlignmentPattern::AboutEquals(FX_FLOAT moduleSize,
                                             FX_FLOAT i,
                                             FX_FLOAT j) {
   if ((FXSYS_fabs(i - GetY()) <= moduleSize) &&
       (FXSYS_fabs(j - GetX()) <= moduleSize)) {
     FX_FLOAT moduleSizeDiff = FXSYS_fabs(moduleSize - m_moduleSize);
     return (moduleSizeDiff <= 1.0f) || (moduleSizeDiff / m_moduleSize <= 1.0f);
   }
   return FALSE;
 }
 CBC_QRAlignmentPattern* CBC_QRAlignmentPattern::Clone() {
   return new CBC_QRAlignmentPattern(m_x, m_y, m_moduleSize);
 }