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

Review URL: https://codereview.chromium.org/1316233002
diff --git a/src/utils/debugger/SkDrawCommand.h b/src/utils/debugger/SkDrawCommand.h
index b8eca79..c7e5f00 100644
--- a/src/utils/debugger/SkDrawCommand.h
+++ b/src/utils/debugger/SkDrawCommand.h
@@ -250,7 +250,7 @@
 
     void setPaint(const SkPaint& paint) { fPaint = paint; fPaintPtr = &fPaint; }
 
-    const SkRect* srcRect() const { return fSrc.isEmpty() ? NULL : &fSrc; }
+    const SkRect* srcRect() const { return fSrc.isEmpty() ? nullptr : &fSrc; }
     void setSrcRect(const SkRect& src) { fSrc = src; }
 
     const SkRect& dstRect() const { return fDst; }