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

xfa/src/fxbarcode/common/BC_WhiteRectangleDetector.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 2010 ZXing authors
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
@@ skipping 109 matching lines @@
       atLeastOneBlackPointFoundOnBorder = TRUE;
     }
   }
   if (!sizeExceeded && atLeastOneBlackPointFoundOnBorder) {
     int32_t maxSize = right - left;
     CBC_AutoPtr<CBC_ResultPoint> z(NULL);
     for (int32_t i = 1; i < maxSize; i++) {
       z = CBC_AutoPtr<CBC_ResultPoint>(
           GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(down - i),
                                  (FX_FLOAT)(left + i), (FX_FLOAT)(down)));
-      if (z.get() != NULL) {
+      if (z.get()) {
         break;
       }
     }
     if (z.get() == NULL) {
       e = BCExceptionNotFound;
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     CBC_AutoPtr<CBC_ResultPoint> t(NULL);
     for (int32_t j = 1; j < maxSize; j++) {
       t = CBC_AutoPtr<CBC_ResultPoint>(
           GetBlackPointOnSegment((FX_FLOAT)left, (FX_FLOAT)(up + j),
                                  (FX_FLOAT)(left + j), (FX_FLOAT)up));
-      if (t.get() != NULL) {
+      if (t.get()) {
         break;
       }
     }
     if (t.get() == NULL) {
       e = BCExceptionNotFound;
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     CBC_AutoPtr<CBC_ResultPoint> x(NULL);
     for (int32_t k = 1; k < maxSize; k++) {
       x = CBC_AutoPtr<CBC_ResultPoint>(
           GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(up + k),
                                  (FX_FLOAT)(right - k), (FX_FLOAT)up));
-      if (x.get() != NULL) {
+      if (x.get()) {
         break;
       }
     }
     if (x.get() == NULL) {
       e = BCExceptionNotFound;
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     CBC_AutoPtr<CBC_ResultPoint> y(NULL);
     for (int32_t m = 1; m < maxSize; m++) {
       y = CBC_AutoPtr<CBC_ResultPoint>(
           GetBlackPointOnSegment((FX_FLOAT)right, (FX_FLOAT)(down - m),
                                  (FX_FLOAT)(right - m), (FX_FLOAT)down));
-      if (y.get() != NULL) {
+      if (y.get()) {
         break;
       }
     }
     if (y.get() == NULL) {
       e = BCExceptionNotFound;
       BC_EXCEPTION_CHECK_ReturnValue(e, NULL);
     }
     return CenterEdges(y.get(), z.get(), x.get(), t.get());
   } else {
     e = BCExceptionNotFound;
@@ skipping 71 matching lines @@
     }
   } else {
     for (int32_t y = a; y <= b; y++) {
       if (m_image->Get(fixed, y)) {
         return TRUE;
       }
     }
   }
   return FALSE;
 }