Move SkTypeface to sk_sp.

gm/fontscalerdistortable.cpp

Index: gm/fontscalerdistortable.cpp
diff --git a/gm/fontscalerdistortable.cpp b/gm/fontscalerdistortable.cpp
index f83365bb3e59821dac80a97f0e896a2452dfdc95..b4f2ca370ce6175ec99027b682a4122e7fe04621 100644
--- a/gm/fontscalerdistortable.cpp
+++ b/gm/fontscalerdistortable.cpp
@@ -58,9 +58,8 @@ protected:
                 SkFourByteTag tag = SkSetFourByteTag('w','g','h','t');
                 SkScalar styleValue = SkDoubleToScalar(0.5 + (5*j + i) * ((2.0 - 0.5) / (2 * 5)));
                 SkFontMgr::FontParameters::Axis axes[] = { { tag, styleValue } };
-                SkAutoTUnref<SkTypeface> typeface(fontMgr->createFromStream(
-                    distortable->duplicate(), SkFontMgr::FontParameters().setAxes(axes, 1)));
-                paint.setTypeface(typeface);
+                paint.setTypeface(sk_sp<SkTypeface>(fontMgr->createFromStream(
+                        distortable->duplicate(), SkFontMgr::FontParameters().setAxes(axes, 1))));
 
                 SkAutoCanvasRestore acr(canvas, true);
                 canvas->translate(SkIntToScalar(30 + i * 100), SkIntToScalar(20));