Use sk_sp text blob APIs

gm/textblobgeometrychange.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm.h"
 
 #include "SkCanvas.h"
@@ skipping 22 matching lines @@
         SkPaint paint;
         sk_tool_utils::set_portable_typeface(&paint);
         paint.setTextSize(20);
         paint.setAntiAlias(true);
         paint.setLCDRenderText(true);
 
         SkTextBlobBuilder builder;
 
         sk_tool_utils::add_to_text_blob(&builder, text, paint, 10, 10);
 
-        SkAutoTUnref<const SkTextBlob> blob(builder.build());
+        sk_sp<SkTextBlob> blob(builder.make());
 
         SkImageInfo info = SkImageInfo::MakeN32Premul(200, 200);
         SkSurfaceProps props(0, kUnknown_SkPixelGeometry);
         auto surface = canvas->makeSurface(info, &props);
         if (!surface) {
             surface = SkSurface::MakeRaster(info, &props);
         }
         SkCanvas* c = surface->getCanvas();
 
         // LCD text on white background
         SkRect rect = SkRect::MakeLTRB(0.f, 0.f, SkIntToScalar(kWidth), kHeight / 2.f);
         SkPaint rectPaint;
         rectPaint.setColor(0xffffffff);
         canvas->drawRect(rect, rectPaint);
-        canvas->drawTextBlob(blob.get(), 10, 50, paint);
+        canvas->drawTextBlob(blob, 10, 50, paint);
 
         // This should not look garbled since we should disable LCD text in this case
         // (i.e., unknown pixel geometry)
         c->clear(0x00ffffff);
-        c->drawTextBlob(blob.get(), 10, 150, paint);
+        c->drawTextBlob(blob, 10, 150, paint);
         surface->draw(canvas, 0, 0, nullptr);
     }
 
 private:
     static constexpr int kWidth = 200;
     static constexpr int kHeight = 200;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new TextBlobGeometryChange;)
 }