Style Change: NULL->nullptr

gm/imagefilterstransformed.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "sk_tool_utils.h"
 #include "SkBitmapSource.h"
 #include "SkBlurImageFilter.h"
@@ skipping 27 matching lines @@
         SkScalar x = SkIntToScalar(width / 2);
         SkScalar y = SkIntToScalar(height / 2);
         SkScalar radius = SkMinScalar(x, y) * 0.8f;
         fGradientCircle.allocN32Pixels(width, height);
         SkCanvas canvas(fGradientCircle);
         canvas.clear(0x00000000);
         SkColor colors[2];
         colors[0] = SK_ColorWHITE;
         colors[1] = SK_ColorBLACK;
         SkAutoTUnref<SkShader> shader(
-            SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, NULL, 2,
+            SkGradientShader::CreateRadial(SkPoint::Make(x, y), radius, colors, nullptr, 2,
                                            SkShader::kClamp_TileMode)
         );
         SkPaint paint;
         paint.setShader(shader);
         canvas.drawCircle(x, y, radius, paint);
     }
 
     void onOnceBeforeDraw() override {
         fCheckerboard.allocN32Pixels(64, 64);
         SkCanvas checkerboardCanvas(fCheckerboard);
@@ skipping 56 matching lines @@
     SkBitmap fCheckerboard;
     SkBitmap fGradientCircle;
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new ImageFiltersTransformedGM; )
 
 }