Move SkTypeface to sk_sp.

gm/gammatext.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 #include "SkCanvas.h"
 #include "SkPath.h"
 #include "SkGradientShader.h"
 #include "SkTypeface.h"
 
 static sk_sp<SkShader> make_heatGradient(const SkPoint pts[2]) {
     const SkColor bw[] = { SK_ColorBLACK, SK_ColorWHITE };
 
     return SkGradientShader::MakeLinear(pts, bw, nullptr, SK_ARRAY_COUNT(bw),
                                         SkShader::kClamp_TileMode);
 }
 
 static bool setFont(SkPaint* paint, const char name[]) {
-    SkTypeface* tf = SkTypeface::CreateFromName(name, SkTypeface::kNormal);
-    if (tf) {
-        paint->setTypeface(tf)->unref();
-        return true;
-    }
-    return false;
+    paint->setTypeface(SkTypeface::MakeFromName(name, SkTypeface::kNormal));
+    return SkToBool(paint->getTypeface());
 }
 
 /**
    Test a set of clipping problems discovered while writing blitAntiRect,
    and test all the code paths through the clipping blitters.
    Each region should show as a blue center surrounded by a 2px green
    border, with no red.
 */
 
 #define HEIGHT 480
@@ skipping 63 matching lines @@
 
 static sk_sp<SkShader> make_gradient(SkColor c) {
     const SkPoint pts[] = { { 0, 0 }, { 240, 0 } };
     SkColor colors[2];
     colors[0] = c;
     colors[1] = SkColorSetA(c, 0);
     return SkGradientShader::MakeLinear(pts, colors, nullptr, 2, SkShader::kClamp_TileMode);
 }
 
 static void set_face(SkPaint* paint) {
-    SkTypeface* face = SkTypeface::CreateFromName("serif", SkTypeface::kItalic);
-    SkSafeUnref(paint->setTypeface(face));
+    paint->setTypeface(SkTypeface::MakeFromName("serif", SkTypeface::kItalic));
 }
 
 static void draw_pair(SkCanvas* canvas, SkPaint* paint, const sk_sp<SkShader>& shader) {
     const char text[] = "Now is the time for all good";
     const size_t len = strlen(text);
 
     paint->setShader(nullptr);
     canvas->drawText(text, len, 10, 20, *paint);
     paint->setShader(SkShader::MakeColorShader(paint->getColor()));
     canvas->drawText(text, len, 10, 40, *paint);
@@ skipping 40 matching lines @@
             draw_pair(canvas, &paint, fShaders[i]);
             canvas->translate(0, 80);
         }
     }
 
 private:
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM( return new GammaShaderTextGM; )