Remove include only barcode.h and IWYU.

xfa/src/fxbarcode/qrcode/BC_QRCoderECBlocks.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/qrcode/BC_QRCoderECB.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderECBlocks.h"
+
 CBC_QRCoderECBlocks::CBC_QRCoderECBlocks(int32_t ecCodeWordsPerBlock,
                                          CBC_QRCoderECB* ecBlocks) {
   m_ecCodeWordsPerBlock = ecCodeWordsPerBlock;
   m_ecBlocks.Add(ecBlocks);
 }
 CBC_QRCoderECBlocks::CBC_QRCoderECBlocks(int32_t ecCodeWordsPerBlock,
                                          CBC_QRCoderECB* ecBlocks1,
                                          CBC_QRCoderECB* ecBlocks2) {
   m_ecCodeWordsPerBlock = ecCodeWordsPerBlock;
   m_ecBlocks.Add(ecBlocks1);
@@ skipping 14 matching lines @@
     total += ((CBC_QRCoderECB*)(m_ecBlocks[i]))->GetCount();
   }
   return total;
 }
 int32_t CBC_QRCoderECBlocks::GetTotalECCodeWords() {
   return m_ecCodeWordsPerBlock * GetNumBlocks();
 }
 CFX_PtrArray* CBC_QRCoderECBlocks::GetECBlocks() {
   return &m_ecBlocks;
 }