Style Change: NULL->nullptr

gm/imagefilterscropexpand.cpp

Index: gm/imagefilterscropexpand.cpp
diff --git a/gm/imagefilterscropexpand.cpp b/gm/imagefilterscropexpand.cpp
index 8f90fb14bd2f135b6c503bd0a55534df17a0c7be..cfbf13a759fb53d0fc506ed1d121a1d1ed83f1c8 100644
--- a/gm/imagefilterscropexpand.cpp
+++ b/gm/imagefilterscropexpand.cpp
@@ -68,7 +68,7 @@ protected:
         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;
@@ -105,7 +105,7 @@ protected:
         SkAutoTUnref<SkImageFilter> gradient_circle_source(
             SkBitmapSource::Create(gradient_circle));
         SkAutoTUnref<SkImageFilter> noop_cropped(
-            SkOffsetImageFilter::Create(0, 0, NULL, &crop_rect));
+            SkOffsetImageFilter::Create(0, 0, nullptr, &crop_rect));
         SkScalar sk255 = SkIntToScalar(255);
         SkScalar matrix[20] = { 1, 0, 0, 0, 0,
                                 0, 1, 0, 0, sk255,