Style Change: NULL->nullptr

samplecode/SampleLayerMask.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SampleCode.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
@@ skipping 40 matching lines @@
             p.addOval(r);
             p.setFillType(SkPath::kInverseWinding_FillType);
             paint.setXfermodeMode(SkXfermode::kDstOut_Mode);
             canvas->drawPath(p, paint);
         }
     }
 
     virtual void onDrawContent(SkCanvas* canvas) {
         SkRect  r;
         r.set(SkIntToScalar(20), SkIntToScalar(20), SkIntToScalar(120), SkIntToScalar(120));
-        canvas->saveLayer(&r, NULL);
+        canvas->saveLayer(&r, nullptr);
         canvas->drawColor(SK_ColorRED);
         drawMask(canvas, r);
         canvas->restore();
     }
 
 private:
     typedef SampleView INHERITED;
 };
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new LayerMaskView; }
 static SkViewRegister reg(MyFactory);