Move SkTypeface to sk_sp.

gm/textblobmixedsizes.cpp

 /*
  * Copyright 2015 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"
 #include "SkBlurMask.h"
 #include "SkBlurMaskFilter.h"
 #include "SkCanvas.h"
 #include "SkGradientShader.h"
 #include "SkImage.h"
 #include "SkRandom.h"
 #include "SkStream.h"
 #include "SkSurface.h"
 #include "SkTextBlob.h"
 #include "SkTypeface.h"
 
 namespace skiagm {
 class TextBlobMixedSizes : public GM {
 public:
     // This gm tests that textblobs of mixed sizes with a large glyph will render properly
     TextBlobMixedSizes(bool useDFT) : fUseDFT(useDFT) {}
 
 protected:
     void onOnceBeforeDraw() override {
-        SkAutoTUnref<SkTypeface> typeface(GetResourceAsTypeface("/fonts/HangingS.ttf"));
         SkTextBlobBuilder builder;
 
         // make textblob.  To stress distance fields, we choose sizes appropriately
         SkPaint paint;
         paint.setAntiAlias(true);
         paint.setSubpixelText(true);
         paint.setLCDRenderText(true);
-        paint.setTypeface(typeface);
+        paint.setTypeface(MakeResourceAsTypeface("/fonts/HangingS.ttf"));
 
         const char* text = "Skia";
 
         // extra large
         paint.setTextSize(262);
 
         sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0);
 
         // large
         SkRect bounds;
@@ skipping 140 matching lines @@
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 DEF_GM( return new TextBlobMixedSizes(false); )
 #if SK_SUPPORT_GPU
 DEF_GM( return new TextBlobMixedSizes(true); )
 #endif
 }