Style Change: NULL->nullptr

src/gpu/GrTargetCommands.h

Index: src/gpu/GrTargetCommands.h
diff --git a/src/gpu/GrTargetCommands.h b/src/gpu/GrTargetCommands.h
index 9b52837dd46d22a1b89e919209b4d4f37f6e0fe7..4f804c31b913aa7590cd7e44bb6c9e89aeb73fe9 100644
--- a/src/gpu/GrTargetCommands.h
+++ b/src/gpu/GrTargetCommands.h
@@ -76,7 +76,7 @@ private:
     // TODO: This can be just a pipeline once paths are in batch, and it should live elsewhere
     struct StateForPathDraw : public SkNVRefCnt<StateForPathDraw> {
         // TODO get rid of the prim proc parameter when we use batch everywhere
-        StateForPathDraw(const GrPrimitiveProcessor* primProc = NULL)
+        StateForPathDraw(const GrPrimitiveProcessor* primProc = nullptr)
             : fPrimitiveProcessor(primProc)
             , fCompiled(false) {}