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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/gm/simpleaaclip.cpp b/gm/simpleaaclip.cpp
index 372cb1b..3b10c47 100644
--- a/gm/simpleaaclip.cpp
+++ b/gm/simpleaaclip.cpp
@@ -68,10 +68,10 @@
     }
 
     void buildRgn(SkAAClip* clip, SkRegion::Op op) {
-        clip->setPath(fBasePath, NULL, true);
+        clip->setPath(fBasePath, nullptr, true);
 
         SkAAClip clip2;
-        clip2.setPath(fRectPath, NULL, true);
+        clip2.setPath(fRectPath, nullptr, true);
         clip->op(clip2, op);
     }