Style Change: NULL->nullptr

gm/imagealphathreshold.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkAlphaThresholdFilter.h"
 #include "SkRandom.h"
@@ skipping 29 matching lines @@
         SkMatrix matrix;
         matrix.reset();
         matrix.setTranslate(WIDTH * .1f, HEIGHT * .1f);
         matrix.postScale(.8f, .8f);
 
         canvas->concat(matrix);
 
         SkPaint paint;
         paint.setImageFilter(
             SkAlphaThresholdFilter::Create(region, 0.2f, 0.7f))->unref();
-        canvas->saveLayer(NULL, &paint);
+        canvas->saveLayer(nullptr, &paint);
         paint.setAntiAlias(true);
 
         SkPaint rect_paint;
         rect_paint.setColor(0xFF0000FF);
         canvas->drawRect(SkRect::MakeXYWH(0, 0, WIDTH / 2, HEIGHT / 2),
                          rect_paint);
         rect_paint.setColor(0xBFFF0000);
         canvas->drawRect(SkRect::MakeXYWH(WIDTH / 2, 0, WIDTH / 2, HEIGHT / 2),
                          rect_paint);
         rect_paint.setColor(0x3F00FF00);
         canvas->drawRect(SkRect::MakeXYWH(0, HEIGHT / 2, WIDTH / 2, HEIGHT / 2),
                          rect_paint);
         rect_paint.setColor(0x00000000);
         canvas->drawRect(SkRect::MakeXYWH(WIDTH / 2, HEIGHT / 2, WIDTH / 2, HEIGHT / 2),
                          rect_paint);
 
         canvas->restore();
     }
 
 private:
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ImageAlphaThresholdGM; }
 static GMRegistry reg(MyFactory);
 
 }