Style Change: NULL->nullptr
DOCS_PREVIEW= https://skia.org/?cl=1316233002

Review URL: https://codereview.chromium.org/1316233002
diff --git a/bench/VertBench.cpp b/bench/VertBench.cpp
index 6e49bf4..d2e5269 100644
--- a/bench/VertBench.cpp
+++ b/bench/VertBench.cpp
@@ -83,7 +83,7 @@
 
         for (int i = 0; i < loops; i++) {
             canvas->drawVertices(SkCanvas::kTriangles_VertexMode, PTS,
-                                 fPts, NULL, fColors, NULL, fIdx, IDX, paint);
+                                 fPts, nullptr, fColors, nullptr, fIdx, IDX, paint);
         }
     }
 private: