Use sk_sp text blob APIs

gm/textblob.cpp

 /*
  * Copyright 2014 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"
@@ skipping 74 matching lines @@
     SkString onShortName() override {
         return SkString("textblob");
     }
 
     SkISize onISize() override {
         return SkISize::Make(640, 480);
     }
 
     void onDraw(SkCanvas* canvas) override {
         for (unsigned b = 0; b < SK_ARRAY_COUNT(blobConfigs); ++b) {
-            SkAutoTUnref<const SkTextBlob> blob(this->makeBlob(b));
+            sk_sp<SkTextBlob> blob(this->makeBlob(b));
 
             SkPaint p;
             SkPoint offset = SkPoint::Make(SkIntToScalar(10 + 300 * (b % 2)),
                                            SkIntToScalar(20 + 150 * (b / 2)));
 
             canvas->drawTextBlob(blob, offset.x(), offset.y(), p);
 
             p.setColor(SK_ColorBLUE);
             p.setStyle(SkPaint::kStroke_Style);
             SkRect box = blob->bounds();
             box.offset(offset);
             canvas->drawRect(box, p);
 
         }
     }
 
 private:
-    const SkTextBlob* makeBlob(unsigned blobIndex) {
+    sk_sp<SkTextBlob> makeBlob(unsigned blobIndex) {
         SkTextBlobBuilder builder;
 
         SkPaint font;
         font.setTextEncoding(SkPaint::kGlyphID_TextEncoding);
         font.setAntiAlias(true);
         font.setSubpixelText(true);
         font.setTypeface(fTypeface);
 
         for (unsigned l = 0; l < SK_ARRAY_COUNT(blobConfigs[blobIndex]); ++l) {
             unsigned currentGlyph = 0;
@@ skipping 46 matching lines @@
                     memcpy(buf.pos, pos.begin(), count * sizeof(SkScalar) * 2);
                 } break;
                 default:
                     SK_ABORT("unhandled pos value");
                 }
 
                 currentGlyph += count;
             }
         }
 
-        return builder.build();
+        return builder.make();
     }
 
     SkTDArray<uint16_t> fGlyphs;
     sk_sp<SkTypeface>   fTypeface;
     const char*         fText;
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM(return new TextBlobGM("hamburgefons");)