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

xfa/src/fxbarcode/qrcode/BC_QRCoderFormatInformation.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");
@@ skipping 47 matching lines @@
 }
 CBC_QRCoderErrorCorrectionLevel*
 CBC_QRCoderFormatInformation::GetErrorCorrectionLevel() {
   return m_errorCorrectLevl;
 }
 CBC_QRCoderFormatInformation*
 CBC_QRCoderFormatInformation::DecodeFormatInformation(
     int32_t maskedFormatInfo) {
   CBC_QRCoderFormatInformation* formatInfo =
       DoDecodeFormatInformation(maskedFormatInfo);
-  if (formatInfo != NULL) {
+  if (formatInfo)
     return formatInfo;
-  }
   return DoDecodeFormatInformation(maskedFormatInfo ^ FORMAT_INFO_MASK_QR);
 }
 CBC_QRCoderFormatInformation*
 CBC_QRCoderFormatInformation::DoDecodeFormatInformation(
     int32_t maskedFormatInfo) {
   int32_t bestDifference = (int32_t)FXSYS_nan();
   int32_t bestFormatInfo = 0;
   for (int32_t i = 0; i < 32; i++) {
     int32_t const* decodeInfo = &FORMAT_INFO_DECODE_LOOKUP[i][0];
     int32_t targetInfo = decodeInfo[0];
     if (targetInfo == maskedFormatInfo) {
       return new CBC_QRCoderFormatInformation(decodeInfo[1]);
     }
     int32_t bitsDifference = NumBitsDiffering(maskedFormatInfo, targetInfo);
     if (bitsDifference < bestDifference) {
       bestFormatInfo = decodeInfo[1];
       bestDifference = bitsDifference;
     }
   }
   if (bestDifference <= 3) {
     return new CBC_QRCoderFormatInformation(bestFormatInfo);
   }
   return NULL;
 }