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

xfa/src/fxbarcode/datamatrix/BC_SymbolInfo.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 2006 Jeremias Maerki
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 132 matching lines @@
                                        FX_BOOL fail,
                                        int32_t& e) {
   for (int32_t i = 0; i < SYMBOLS_COUNT; i++) {
     CBC_SymbolInfo* symbol = m_symbols[i];
     if (shape == FORCE_SQUARE && symbol->m_rectangular) {
       continue;
     }
     if (shape == FORCE_RECTANGLE && !symbol->m_rectangular) {
       continue;
     }
-    if (minSize != NULL &&
-        (symbol->getSymbolWidth(e) < minSize->getWidth() ||
-         symbol->getSymbolHeight(e) < minSize->getHeight())) {
+    if (minSize && (symbol->getSymbolWidth(e) < minSize->getWidth() ||
+                    symbol->getSymbolHeight(e) < minSize->getHeight())) {
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
       continue;
     }
-    if (maxSize != NULL &&
-        (symbol->getSymbolWidth(e) > maxSize->getWidth() ||
-         symbol->getSymbolHeight(e) > maxSize->getHeight())) {
+    if (maxSize && (symbol->getSymbolWidth(e) > maxSize->getWidth() ||
+                    symbol->getSymbolHeight(e) > maxSize->getHeight())) {
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
       continue;
     }
     if (dataCodewords <= symbol->m_dataCapacity) {
       return symbol;
     }
   }
   if (fail) {
     e = BCExceptionIllegalDataCodewords;
     return NULL;
@@ skipping 76 matching lines @@
   BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
   sb += (FX_WCHAR)'x';
   sb += getSymbolDataHeight(e);
   BC_EXCEPTION_CHECK_ReturnValue(e, (FX_WCHAR*)"");
   sb += (FX_WCHAR*)", codewords ";
   sb += m_dataCapacity;
   sb += (FX_WCHAR)'+';
   sb += m_errorCodewords;
   return sb;
 }