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

xfa/src/fxbarcode/BC_BinaryBitmap.cpp

Index: xfa/src/fxbarcode/BC_BinaryBitmap.cpp
diff --git a/xfa/src/fxbarcode/BC_BinaryBitmap.cpp b/xfa/src/fxbarcode/BC_BinaryBitmap.cpp
index a21e00e9fe3e65ce6d2ba76cfda3052d8b7574b1..be6258ef1f2c6c09d13fbc648b3a8f78fe4056d4 100644
--- a/xfa/src/fxbarcode/BC_BinaryBitmap.cpp
+++ b/xfa/src/fxbarcode/BC_BinaryBitmap.cpp
@@ -30,10 +30,7 @@
 CBC_BinaryBitmap::CBC_BinaryBitmap(CBC_Binarizer* binarizer)
     : m_binarizer(binarizer), m_matrix(NULL) {}
 CBC_BinaryBitmap::~CBC_BinaryBitmap() {
-  if (m_matrix != NULL) {
-    delete m_matrix;
-  }
-  m_matrix = NULL;
+  delete m_matrix;
 }
 int32_t CBC_BinaryBitmap::GetHeight() {
   return m_binarizer->GetLuminanceSource()->GetHeight();