Revert of Move SkTypeface to sk_sp.

gm/fontcache.cpp

Index: gm/fontcache.cpp
diff --git a/gm/fontcache.cpp b/gm/fontcache.cpp
index c4af48930428fde367f21054b702ef3905537f7a..30f8892c78f88c1a93ae71deade77dc8d6f061b5 100644
--- a/gm/fontcache.cpp
+++ b/gm/fontcache.cpp
@@ -20,7 +20,15 @@
 
 class FontCacheGM : public skiagm::GM {
 public:
-    FontCacheGM() {}
+    FontCacheGM() {
+        fTypefaces[0] = nullptr;
+        fTypefaces[1] = nullptr;
+    }
+
+    virtual ~FontCacheGM() {
+        SkSafeUnref(fTypefaces[0]);
+        SkSafeUnref(fTypefaces[1]);
+    }
 
 protected:
     SkString onShortName() override {
@@ -68,7 +76,7 @@
     }
 
 private:
-    sk_sp<SkTypeface> fTypefaces[2];
+    SkTypeface* fTypefaces[2];
     typedef GM INHERITED;
 };