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

xfa/src/fxbarcode/common/BC_CommonDecoderResult.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 41 matching lines @@
   m_rawBytes.Copy(rawBytes);
   m_text = text;
   m_pdf417byteSegments.Copy(byteSegments);
   m_pdf417ecLevel = ecLevel;
   m_other = NULL;
 }
 void CBC_CommonDecoderResult::setOther(CBC_PDF417ResultMetadata* other) {
   m_other = other;
 }
 CBC_CommonDecoderResult::~CBC_CommonDecoderResult() {
-  if (m_other != NULL) {
-    delete m_other;
-  }
+  delete m_other;
 }
 const CFX_ByteArray& CBC_CommonDecoderResult::GetRawBytes() {
   return m_rawBytes;
 }
 const CFX_Int32Array& CBC_CommonDecoderResult::GetByteSegments() {
   return m_byteSegments;
 }
 const CFX_ByteString& CBC_CommonDecoderResult::GetText() {
   return m_text;
 }
 CBC_QRCoderErrorCorrectionLevel* CBC_CommonDecoderResult::GetECLevel() {
   return m_ecLevel;
 }