Style Change: NULL->nullptr

src/gpu/GrReorderCommandBuilder.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrReorderCommandBuilder_DEFINED
 #define GrReorderCommandBuilder_DEFINED
 
@@ skipping 13 matching lines @@
                          const GrPathProcessor*,
                          const GrPathRange*,
                          const void*,
                          GrDrawTarget::PathIndexType,
                          const float transformValues[],
                          GrDrawTarget::PathTransformType ,
                          int,
                          const GrStencilSettings&,
                          const GrPipelineOptimizations&) override {
         SkFAIL("Unsupported\n");
-        return NULL;
+        return nullptr;
     }
 
 private:
     typedef GrCommandBuilder INHERITED;
 
 };
 
 #endif