Remove foo != NULL checks in xfa/src/fxbarcode.

xfa/src/fxbarcode/qrcode/BC_QRCoderBlockPair.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 2008 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 12 matching lines @@
 #include "xfa/src/fxbarcode/common/BC_CommonByteArray.h"
 #include "xfa/src/fxbarcode/qrcode/BC_QRCoderBlockPair.h"
 
 CBC_QRCoderBlockPair::CBC_QRCoderBlockPair(
     CBC_CommonByteArray* data,
     CBC_CommonByteArray* errorCorrection) {
   m_dataBytes = data;
   m_errorCorrectionBytes = errorCorrection;
 }
 CBC_QRCoderBlockPair::~CBC_QRCoderBlockPair() {
-  if (m_dataBytes != NULL) {
-    delete m_dataBytes;
-    m_dataBytes = NULL;
-  }
-  if (m_errorCorrectionBytes != NULL) {
-    delete m_errorCorrectionBytes;
-    m_errorCorrectionBytes = NULL;
-  }
+  delete m_dataBytes;
+  delete m_errorCorrectionBytes;
 }
 CBC_CommonByteArray* CBC_QRCoderBlockPair::GetDataBytes() {
   return m_dataBytes;
 }
 CBC_CommonByteArray* CBC_QRCoderBlockPair::GetErrorCorrectionBytes() {
   return m_errorCorrectionBytes;
 }