Use sk_sp text blob APIs

gm/mixedtextblobs.cpp

 /*
  * Copyright 2013 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 "Resources.h"
@@ skipping 76 matching lines @@
             paint.measureText(text, strlen(text), &bounds);
             sk_tool_utils::add_to_text_blob(&builder, text, paint, xOffset - bounds.width() * 0.3f,
                                             yOffset);
         }
 
         // Corrupted font
         paint.setTextSize(12);
         text = "aA";
         paint.setTypeface(fReallyBigATypeface);
         sk_tool_utils::add_to_text_blob(&builder, text, paint, corruptedAx, corruptedAy);
-        fBlob.reset(builder.build());
+        fBlob = builder.make();
     }
 
     SkString onShortName() override {
         SkString name("mixedtextblobs");
         name.append(sk_tool_utils::platform_os_emoji());
         return name;
     }
 
     SkISize onISize() override {
         return SkISize::Make(kWidth, kHeight);
@@ skipping 23 matching lines @@
                                                 boundsHalfWidth, boundsHalfHeight);
         SkRect lowerRightClip = SkRect::MakeXYWH(bounds.centerX(), bounds.centerY(),
                                                  boundsHalfWidth, boundsHalfHeight);
         SkRect interiorClip = bounds;
         interiorClip.inset(boundsQuarterWidth, boundsQuarterHeight);
 
         const SkRect clipRects[] = { bounds, upperLeftClip, lowerRightClip, interiorClip};
 
         size_t count = sizeof(clipRects) / sizeof(SkRect);
         for (size_t x = 0; x < count; ++x) {
-            draw_blob(canvas, fBlob, paint, clipRects[x]);
+            draw_blob(canvas, fBlob.get(), paint, clipRects[x]);
             if (x == (count >> 1) - 1) {
                 canvas->translate(SkScalarFloorToScalar(bounds.width() + SkIntToScalar(25)),
                                   -(x * SkScalarFloorToScalar(bounds.height() +
                                     SkIntToScalar(25))));
             } else {
                 canvas->translate(0, SkScalarFloorToScalar(bounds.height() + SkIntToScalar(25)));
             }
         }
     }
 
 private:
     sk_sp<SkTypeface> fEmojiTypeface;
     sk_sp<SkTypeface> fReallyBigATypeface;
     const char* fEmojiText;
-    SkAutoTUnref<const SkTextBlob> fBlob;
+    sk_sp<SkTextBlob> fBlob;
 
     static constexpr int kWidth = 1250;
     static constexpr int kHeight = 700;
 
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM(return new MixedTextBlobsGM;)
 }