Move SkTypeface to sk_sp.

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 54 matching lines @@
 }
 
 class TextBlobGM : public skiagm::GM {
 public:
     TextBlobGM(const char* txt)
         : fText(txt) {
     }
 
 protected:
     void onOnceBeforeDraw() override {
-        fTypeface.reset(sk_tool_utils::create_portable_typeface("serif", SkTypeface::kNormal));
+        fTypeface = sk_tool_utils::create_portable_typeface("serif", SkTypeface::kNormal);
         SkPaint p;
         p.setTypeface(fTypeface);
         size_t txtLen = strlen(fText);
         int glyphCount = p.textToGlyphs(fText, txtLen, nullptr);
 
         fGlyphs.append(glyphCount);
         p.textToGlyphs(fText, txtLen, fGlyphs.begin());
     }
 
     SkString onShortName() override {
@@ skipping 87 matching lines @@
                     SK_ABORT("unhandled pos value");
                 }
 
                 currentGlyph += count;
             }
         }
 
         return builder.build();
     }
 
-    SkTDArray<uint16_t>      fGlyphs;
-    SkAutoTUnref<SkTypeface> fTypeface;
-    const char*              fText;
+    SkTDArray<uint16_t> fGlyphs;
+    sk_sp<SkTypeface>   fTypeface;
+    const char*         fText;
     typedef skiagm::GM INHERITED;
 };
 
 DEF_GM(return new TextBlobGM("hamburgefons");)