"NULL !=" = NULL

include/gpu/GrProgramElementRef.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrProgramElementRef_DEFINED
 #define GrProgramElementRef_DEFINED
 
@@ skipping 37 matching lines @@
     /**
      * GrProgramElementRef assumes ownership of the ref and manages converting the ref to a
      * pending execution. As a result, it is an error for the user to ref or unref through
      * GrProgramElementRef. Therefore operator-> returns BlockRef<T>*.
      */
     BlockRefType *operator->() const {
         return static_cast<BlockRefType*>(fObj);
     }
 
     ~GrProgramElementRef() {
-        if (NULL != fObj) {
+        if (fObj) {
             if (fOwnPendingExec) {
                 fObj->completedExecution();
             } else {
                 fObj->unref();
             }
         }
     }
 
 private:
     bool fOwnPendingExec;
     T*   fObj;
 
     typedef SkNoncopyable INHERITED;
 };
 #endif