Roll HarfBuzz to 1.4.6

third_party/harfbuzz-ng/src/hb-ot-var.cc

 /*
  * Copyright © 2017  Google, Inc.
  *
  *  This is part of HarfBuzz, a text shaping library.
  *
  * Permission is hereby granted, without written agreement and without
  * license or royalty fees, to use, copy, modify, and distribute this
  * software and its documentation for any purpose, provided that the
  * above copyright notice and the following two paragraphs appear in
  * all copies of this software.
@@ skipping 11 matching lines @@
  * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
  *
  * Google Author(s): Behdad Esfahbod
  */
 
 #include "hb-open-type-private.hh"
 
 #include "hb-ot-layout-private.hh"
 #include "hb-ot-var-avar-table.hh"
 #include "hb-ot-var-fvar-table.hh"
+#include "hb-ot-var-mvar-table.hh"
 #include "hb-ot-var.h"
 
-HB_SHAPER_DATA_ENSURE_DECLARE(ot, face)
-
 /*
  * fvar/avar
  */
 
 static inline const OT::fvar&
 _get_fvar (hb_face_t *face)
 {
   if (unlikely (!hb_ot_shaper_face_data_ensure (face))) return OT::Null(OT::fvar);
   hb_ot_layout_t * layout = hb_ot_layout_from_face (face);
   return *(layout->fvar.get ());
@@ skipping 105 matching lines @@
                             const float *design_coords, /* IN */
                             int *normalized_coords /* OUT */)
 {
   const OT::fvar &fvar = _get_fvar (face);
   for (unsigned int i = 0; i < coords_length; i++)
     normalized_coords[i] = fvar.normalize_axis_value (i, design_coords[i]);
 
   const OT::avar &avar = _get_avar (face);
   avar.map_coords (normalized_coords, coords_length);
 }