Move SkTypeface to sk_sp.

dm/DM.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 "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 1263 matching lines @@
             sleep(FLAGS_status_sec);
         #endif
         }
     });
     thread->start();
     return thread;
 }
 
 #define PORTABLE_FONT_PREFIX "Toy Liberation "
 
-static SkTypeface* create_from_name(const char familyName[], SkTypeface::Style style) {
+static sk_sp<SkTypeface> create_from_name(const char familyName[], SkTypeface::Style style) {
     if (familyName && strlen(familyName) > sizeof(PORTABLE_FONT_PREFIX)
             && !strncmp(familyName, PORTABLE_FONT_PREFIX, sizeof(PORTABLE_FONT_PREFIX) - 1)) {
         return sk_tool_utils::create_portable_typeface(familyName, style);
     }
     return nullptr;
 }
 
 #undef PORTABLE_FONT_PREFIX
 
-extern SkTypeface* (*gCreateTypefaceDelegate)(const char [], SkTypeface::Style );
+extern sk_sp<SkTypeface> (*gCreateTypefaceDelegate)(const char [], SkTypeface::Style );
 
 int dm_main();
 int dm_main() {
     setbuf(stdout, nullptr);
     setup_crash_handler();
 
     if (FLAGS_verbose) {
         gVLog = stderr;
     } else if (!FLAGS_writePath.isEmpty()) {
         sk_mkdir(FLAGS_writePath[0]);
@@ skipping 138 matching lines @@
 #endif
 }
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif