Port sbix off of Sanitizer<>

src/hb-ot-color-sbix-table.hh

@@ -96,9 +96,7 @@ struct sbix
   {
     inline void init (hb_face_t *face)
     {
-      /* XXX Using public API instead of private method to avoid link problem in dump_emoji.
-       * Kill that! */
-      sbix_blob = OT::Sanitizer<OT::sbix>(hb_face_get_glyph_count (face)/*face->get_num_glyphs ()*/).sanitize (face->reference_table (HB_OT_TAG_sbix));
+      sbix_blob = OT::hb_sanitize_context_t().reference_table<OT::sbix> (face);
       sbix_len = hb_blob_get_length (sbix_blob);
       sbix_table = sbix_blob->as<OT::sbix> ();
     }