fix typeface leak

gm/coloremoji.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 32 matching lines @@
 }
 
 namespace skiagm {
 
 class ColorEmojiGM : public GM {
 public:
     ColorEmojiGM() { }
 
 protected:
     struct EmojiFont {
-        SkTypeface* typeface;
+        SkAutoTUnref<SkTypeface> typeface;
         const char* text;
     } emojiFont;
     virtual void onOnceBeforeDraw() override {
-        emojiFont.typeface = sk_tool_utils::emoji_typeface();
+        sk_tool_utils::emoji_typeface(&emojiFont.typeface);
         emojiFont.text = sk_tool_utils::emoji_sample_text();
     }
 
     SkString onShortName() override {
         SkString name("coloremoji");
         name.append(sk_tool_utils::platform_os_emoji());
         return name;
     }
 
     SkISize onISize() override {
@@ skipping 80 matching lines @@
             paint.setAlpha(0x20);
             canvas->drawText(text, strlen(text), 0, 0, paint);
             canvas->clipRect(clipRects[x]);
             paint.setAlpha(0xFF);
             canvas->drawText(text, strlen(text), 0, 0, paint);
             canvas->restore();
             canvas->translate(0, bounds.height() + SkIntToScalar(25));
         }
     }
 
-private:
-    SkAutoTUnref<SkTypeface> fCBDT_CBLC_Typeface;
-    SkAutoTUnref<SkTypeface> fSBIX_Typeface;
-
     typedef GM INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static GM* MyFactory(void*) { return new ColorEmojiGM; }
 static GMRegistry reg(MyFactory);
 
 }