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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/pathops/SkPathOpsSimplify.cpp b/src/pathops/SkPathOpsSimplify.cpp
index 8c07653..14fde4f 100644
--- a/src/pathops/SkPathOpsSimplify.cpp
+++ b/src/pathops/SkPathOpsSimplify.cpp
@@ -167,7 +167,7 @@
     SkOpCoincidence coincidence;
     SkOpContour contour;
     SkOpContourHead* contourList = static_cast<SkOpContourHead*>(&contour);
-    SkOpGlobalState globalState(&coincidence, contourList  SkDEBUGPARAMS(NULL));
+    SkOpGlobalState globalState(&coincidence, contourList  SkDEBUGPARAMS(nullptr));
 #if DEBUG_SORT
     SkPathOpsDebug::gSortCount = SkPathOpsDebug::gSortCountDefault;
 #endif