Style Change: NULL->nullptr

gm/gradient_matrix.cpp

Index: gm/gradient_matrix.cpp
diff --git a/gm/gradient_matrix.cpp b/gm/gradient_matrix.cpp
index 10499ca9862e113d0ecb2756bf7160b32841f87c..77227599e666994dc212ff5c2b7ca8146e864474 100644
--- a/gm/gradient_matrix.cpp
+++ b/gm/gradient_matrix.cpp
@@ -62,7 +62,7 @@ static const SkScalar TESTGRID_Y = SkIntToScalar(200);
 static const int IMAGES_X = 4;             // number of images per row
 
 static SkShader* make_linear_gradient(const SkPoint pts[2], const SkMatrix& localMatrix) {
-    return SkGradientShader::CreateLinear(pts, gColors, NULL, SK_ARRAY_COUNT(gColors),
+    return SkGradientShader::CreateLinear(pts, gColors, nullptr, SK_ARRAY_COUNT(gColors),
                                           SkShader::kClamp_TileMode, 0, &localMatrix);
 }
 
@@ -71,7 +71,7 @@ static SkShader* make_radial_gradient(const SkPoint pts[2], const SkMatrix& loca
     center.set(SkScalarAve(pts[0].fX, pts[1].fX),
                SkScalarAve(pts[0].fY, pts[1].fY));
     float radius = (center - pts[0]).length();
-    return SkGradientShader::CreateRadial(center, radius, gColors, NULL, SK_ARRAY_COUNT(gColors),
+    return SkGradientShader::CreateRadial(center, radius, gColors, nullptr, SK_ARRAY_COUNT(gColors),
                                           SkShader::kClamp_TileMode, 0, &localMatrix);
 }