Style Change: NULL->nullptr

bench/GrMemoryPoolBench.cpp

Index: bench/GrMemoryPoolBench.cpp
diff --git a/bench/GrMemoryPoolBench.cpp b/bench/GrMemoryPoolBench.cpp
index 394577498f9c09e6e889406b5911d9c24e3a2c99..fd297753071994810994c34917daea240f1f7b93 100644
--- a/bench/GrMemoryPoolBench.cpp
+++ b/bench/GrMemoryPoolBench.cpp
@@ -114,7 +114,7 @@ protected:
 
         for (int i = 0; i < loops; i++) {
             uint32_t idx = r.nextRangeU(0, kMaxObjects-1);
-            if (NULL == objects[idx].get()) {
+            if (nullptr == objects[idx].get()) {
                 objects[idx].reset(new B);
             } else {
                 objects[idx].free();