Move SkTypeface to sk_sp.

src/utils/SkLua.cpp

Index: src/utils/SkLua.cpp
diff --git a/src/utils/SkLua.cpp b/src/utils/SkLua.cpp
index 9369a6bd9db4ed9425e32d5eb5a205c787fb6603..3d21f4177074bdb7b7d286dab9203ba039837242 100644
--- a/src/utils/SkLua.cpp
+++ b/src/utils/SkLua.cpp
@@ -925,7 +925,7 @@ static int lpaint_getTypeface(lua_State* L) {
 }
 
 static int lpaint_setTypeface(lua_State* L) {
-    get_obj<SkPaint>(L, 1)->setTypeface(get_ref<SkTypeface>(L, 2));
+    get_obj<SkPaint>(L, 1)->setTypeface(sk_ref_sp(get_ref<SkTypeface>(L, 2)));
     return 0;
 }
 
@@ -2049,13 +2049,13 @@ static int lsk_newTypeface(lua_State* L) {
         }
     }
 
-    SkTypeface* face = SkTypeface::CreateFromName(name,
+    auto face = SkTypeface::MakeFromName(name,
                                                   (SkTypeface::Style)style);

[f(malita), 2016/05/02 13:46:36]

Nit: ditto

[bungeman-skia, 2016/05/02 20:24:54]

Done.

 //    SkDebugf("---- name <%s> style=%d, face=%p ref=%d\n", name, style, face, face->getRefCnt());
     if (nullptr == face) {
-        face = SkTypeface::RefDefault();
+        face = SkTypeface::MakeDefault();
     }
-    push_ref(L, face)->unref();
+    push_ref(L, std::move(face));
     return 1;
 }