Update OTS to revision 99a3b7f

third_party/ots/src/vmtx.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "vmtx.h"
 
-#include "gsub.h"
 #include "maxp.h"
 #include "vhea.h"
 
 // vmtx - Vertical Metrics Table
 // http://www.microsoft.com/typography/otspec/vmtx.htm
 
 #define TABLE_NAME "vmtx"
 
 namespace ots {
 
 bool ots_vmtx_parse(Font *font, const uint8_t *data, size_t length) {
   Buffer table(data, length);
   OpenTypeVMTX *vmtx = new OpenTypeVMTX;
   font->vmtx = vmtx;
 
   if (!font->vhea || !font->maxp) {
     return OTS_FAILURE_MSG("vhea or maxp table missing as needed by vmtx");
   }
 
   if (!ParseMetricsTable(font, &table, font->maxp->num_glyphs,
                          &font->vhea->header, &vmtx->metrics)) {
     return OTS_FAILURE_MSG("Failed to parse vmtx metrics");
   }
 
   return true;
 }
 
 bool ots_vmtx_should_serialise(Font *font) {
-  // vmtx should serialise when vhea and GSUB are preserved.
-  // See the comment in ots_vhea_should_serialise().
-  return font->vmtx != NULL && font->vhea != NULL &&
-      ots_gsub_should_serialise(font);
+  // vmtx should serialise when vhea is preserved.
+  return font->vmtx != NULL && font->vhea != NULL;
 }
 
 bool ots_vmtx_serialise(OTSStream *out, Font *font) {
   if (!SerialiseMetricsTable(font, out, &font->vmtx->metrics)) {
     return OTS_FAILURE_MSG("Failed to write vmtx metrics");
   }
   return true;
 }
 
 void ots_vmtx_reuse(Font *font, Font *other) {
   font->vmtx = other->vmtx;
   font->vmtx_reused = true;
 }
 
 void ots_vmtx_free(Font *font) {
   delete font->vmtx;
 }
 
 }  // namespace ots
 
 #undef TABLE_NAME