Move SkTypeface to sk_sp.

src/ports/SkFontMgr_android.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 "SkTypes.h"
 
 #include "SkData.h"
@@ skipping 353 matching lines @@
         return nullptr;
     }
 
     static SkTypeface_AndroidSystem* find_family_style_character(
             const SkTDArray<NameToFamily>& fallbackNameToFamilyMap,
             const SkFontStyle& style, bool elegant,
             const SkString& langTag, SkUnichar character)
     {
         for (int i = 0; i < fallbackNameToFamilyMap.count(); ++i) {
             SkFontStyleSet_Android* family = fallbackNameToFamilyMap[i].styleSet;
-            SkAutoTUnref<SkTypeface_AndroidSystem> face(family->matchStyle(style));
+            sk_sp<SkTypeface_AndroidSystem> face(family->matchStyle(style));
 
             if (!langTag.isEmpty() && !face->fLang.getTag().startsWith(langTag.c_str())) {
                 continue;
             }
 
             if (SkToBool(face->fVariantStyle & kElegant_FontVariant) != elegant) {
                 continue;
             }
 
             SkPaint paint;
             paint.setTypeface(face);
             paint.setTextEncoding(SkPaint::kUTF32_TextEncoding);
 
             uint16_t glyphID;
             paint.textToGlyphs(&character, sizeof(character), &glyphID);
-            if (glyphID != 0) {

[bungeman-skia, 2016/05/12 16:47:41]

How did this sneak in here? Without this test this method is just 'return
nullptr;'!

-                return face.release();
-            }
         }
         return nullptr;
     }
 
     virtual SkTypeface* onMatchFamilyStyleCharacter(const char familyName[],
                                                     const SkFontStyle& style,
                                                     const char* bcp47[],
                                                     int bcp47Count,
                                                     SkUnichar character) const override
     {
@@ skipping 175 matching lines @@
         SkASSERT(custom->fSystemFontUse < SK_ARRAY_COUNT(gSystemFontUseStrings));
         SkDEBUGF(("SystemFontUse: %s BasePath: %s Fonts: %s FallbackFonts: %s\n",
                   gSystemFontUseStrings[custom->fSystemFontUse],
                   custom->fBasePath,
                   custom->fFontsXml,
                   custom->fFallbackFontsXml));
     }
 
     return new SkFontMgr_Android(custom);
 }