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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/utils/SkDashPathPriv.h b/src/utils/SkDashPathPriv.h
index 94222a2..7453dce 100644
--- a/src/utils/SkDashPathPriv.h
+++ b/src/utils/SkDashPathPriv.h
@@ -15,11 +15,11 @@
      * Calculates the initialDashLength, initialDashIndex, and intervalLength based on the
      * inputed phase and intervals. If adjustedPhase is passed in, then the phase will be
      * adjusted to be between 0 and intervalLength. The result will be stored in adjustedPhase.
-     * If adjustedPhase is NULL then it is assumed phase is already between 0 and intervalLength
+     * If adjustedPhase is nullptr then it is assumed phase is already between 0 and intervalLength
      */
     void CalcDashParameters(SkScalar phase, const SkScalar intervals[], int32_t count,
                             SkScalar* initialDashLength, int32_t* initialDashIndex,
-                            SkScalar* intervalLength, SkScalar* adjustedPhase = NULL);
+                            SkScalar* intervalLength, SkScalar* adjustedPhase = nullptr);
 
     bool FilterDashPath(SkPath* dst, const SkPath& src, SkStrokeRec*, const SkRect*,
                         const SkScalar aIntervals[], int32_t count, SkScalar initialDashLength,