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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/bench/GameBench.cpp b/bench/GameBench.cpp
index 631a8f2..b994400 100644
--- a/bench/GameBench.cpp
+++ b/bench/GameBench.cpp
@@ -201,7 +201,7 @@
                         { SkIntToScalar(src.fRight), SkIntToScalar(src.fBottom) },
                     };
                     canvas->drawVertices(SkCanvas::kTriangles_VertexMode,
-                                         4, verts, uvs, NULL, NULL,
+                                         4, verts, uvs, nullptr, nullptr,
                                          indices, 6, p2);
                 } else {
                     canvas->drawBitmapRect(fAtlas, src, dst, &p,