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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/pathops/SkOpBuilder.cpp b/src/pathops/SkOpBuilder.cpp
index 24a157a..4f53dee 100644
--- a/src/pathops/SkOpBuilder.cpp
+++ b/src/pathops/SkOpBuilder.cpp
@@ -44,7 +44,7 @@
     }
     SkChunkAlloc allocator(4096);
     SkOpContourHead contourHead;
-    SkOpGlobalState globalState(NULL, &contourHead  SkDEBUGPARAMS(NULL));
+    SkOpGlobalState globalState(nullptr, &contourHead  SkDEBUGPARAMS(nullptr));
     SkOpEdgeBuilder builder(*path, &contourHead, &allocator, &globalState);
     builder.finish(&allocator);
     SkASSERT(contourHead.next());