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

xfa/src/fxbarcode/qrcode/BC_QRCoderBitVector.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 14 matching lines @@
 #include "xfa/src/fxbarcode/utils.h"
 
 CBC_QRCoderBitVector::CBC_QRCoderBitVector() {
   m_sizeInBits = 0;
   m_size = 32;
 }
 void CBC_QRCoderBitVector::Init() {
   m_array = FX_Alloc(uint8_t, m_size);
 }
 CBC_QRCoderBitVector::~CBC_QRCoderBitVector() {
-  if (m_array != NULL) {
-    FX_Free(m_array);
-  }
-  m_size = 0;
-  m_sizeInBits = 0;
+  FX_Free(m_array);
 }
 void CBC_QRCoderBitVector::Clear() {
-  if (m_array != NULL) {
-    FX_Free(m_array);
-    m_array = NULL;
-  }
+  FX_Free(m_array);
   m_sizeInBits = 0;
   m_size = 32;
   m_array = FX_Alloc(uint8_t, m_size);
 }
 int32_t CBC_QRCoderBitVector::At(int32_t index, int32_t& e) {
   if (index < 0 || index >= m_sizeInBits) {
     e = BCExceptionBadIndexException;
     BC_EXCEPTION_CHECK_ReturnValue(e, 0);
   }
   int32_t value = m_array[index >> 3] & 0xff;
@@ skipping 59 matching lines @@
     m_array[i] ^= (other->GetArray())[i];
   }
 }
 uint8_t* CBC_QRCoderBitVector::GetArray() {
   return m_array;
 }
 void CBC_QRCoderBitVector::AppendByte(int32_t value) {
   if ((m_sizeInBits >> 3) == m_size) {
     uint8_t* newArray = FX_Alloc(uint8_t, m_size << 1);
     FXSYS_memcpy(newArray, m_array, m_size);
-    if (m_array != NULL) {
-      FX_Free(m_array);
-    }
+    FX_Free(m_array);
     m_array = newArray;
     m_size = m_size << 1;
   }
   m_array[m_sizeInBits >> 3] = (uint8_t)value;
   m_sizeInBits += 8;
 }