Style Change: NULL->nullptr

src/gpu/GrReducedClip.cpp

Index: src/gpu/GrReducedClip.cpp
diff --git a/src/gpu/GrReducedClip.cpp b/src/gpu/GrReducedClip.cpp
index ca97098794d91058da93ec1dc2576eed5cdb46fc..137c83e411ec1af46779587099b9a5f6d4ecf820 100644
--- a/src/gpu/GrReducedClip.cpp
+++ b/src/gpu/GrReducedClip.cpp
@@ -34,7 +34,7 @@ static void reduced_stack_walker(const SkClipStack& stack,
     int numAAElements = 0;
     while ((kUnknown_InitialState == *initialState)) {
         const Element* element = iter.prev();
-        if (NULL == element) {
+        if (nullptr == element) {
             *initialState = GrReducedClip::kAllIn_InitialState;
             break;
         }