Style Change: NULL->nullptr

gm/gradtext.cpp

Index: gm/gradtext.cpp
diff --git a/gm/gradtext.cpp b/gm/gradtext.cpp
index b576ede6442e3ab7b0501cd76b92c57dc2b8f284..acb88d6e52a3676e192eaf37ddbe49c3e2b7a8de 100644
--- a/gm/gradtext.cpp
+++ b/gm/gradtext.cpp
@@ -14,7 +14,7 @@
 static SkShader* make_grad(SkScalar width) {
     SkColor colors[] = { SK_ColorRED, 0x0000FF00, SK_ColorBLUE };
     SkPoint pts[] = { { 0, 0 }, { width, 0 } };
-    return SkGradientShader::CreateLinear(pts, colors, NULL,
+    return SkGradientShader::CreateLinear(pts, colors, nullptr,
                                           SK_ARRAY_COUNT(colors),
                                           SkShader::kMirror_TileMode);
 }
@@ -23,7 +23,7 @@ static SkShader* make_grad(SkScalar width) {
 static SkShader* make_grad2(SkScalar width) {
     SkColor colors[] = { SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE };
     SkPoint pts[] = { { 0, 0 }, { width, 0 } };
-    return SkGradientShader::CreateLinear(pts, colors, NULL,
+    return SkGradientShader::CreateLinear(pts, colors, nullptr,
                                           SK_ARRAY_COUNT(colors),
                                           SkShader::kMirror_TileMode);
 }
@@ -31,7 +31,7 @@ static SkShader* make_grad2(SkScalar width) {
 static SkShader* make_chrome_solid() {
     SkColor colors[] = { SK_ColorGREEN, SK_ColorGREEN };
     SkPoint pts[] = { { 0, 0 }, { 1, 0 } };
-    return SkGradientShader::CreateLinear(pts, colors, NULL, 2,
+    return SkGradientShader::CreateLinear(pts, colors, nullptr, 2,
                                           SkShader::kClamp_TileMode);
 }