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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/bench/FontCacheBench.cpp b/bench/FontCacheBench.cpp
index 304d8d3..35bb329 100644
--- a/bench/FontCacheBench.cpp
+++ b/bench/FontCacheBench.cpp
@@ -99,7 +99,7 @@
 class FontCacheEfficiency : public Benchmark {
 public:
     FontCacheEfficiency()  {
-        if (false) dump_array(NULL, 0);
+        if (false) dump_array(nullptr, 0);
         if (false) rotr(0, 0);
     }