update arguments in_populate_gids_to_retain() and _create_old_gid_to_new_gid_map()

so they don't use deprecated variable

src/hb-subset-plan.cc

@@ -99,8 +99,7 @@ _populate_gids_to_retain (hb_face_t *face,
                           const hb_set_t *input_glyphs_to_retain,
 			  bool close_over_gsub,
 			  hb_set_t *unicodes_to_retain,
-			  hb_map_t *codepoint_to_glyph,
-			  hb_vector_t<hb_codepoint_t> *glyphs)
+			  hb_map_t *codepoint_to_glyph)
 {
   OT::cmap::accelerator_t cmap;
   OT::glyf::accelerator_t glyf;
@@ -145,10 +144,10 @@ _populate_gids_to_retain (hb_face_t *face,
 
   _remove_invalid_gids (all_gids_to_retain, face->get_num_glyphs ());
 
-  glyphs->alloc (all_gids_to_retain->get_population ());
-  gid = HB_SET_VALUE_INVALID;
-  while (all_gids_to_retain->next (&gid))
-    glyphs->push (gid);
+  //glyphs->alloc (all_gids_to_retain->get_population ());
+  //gid = HB_SET_VALUE_INVALID;
+  //while (all_gids_to_retain->next (&gid))
+    //glyphs->push (gid);
 
   cff.fini ();
   glyf.fini ();
@@ -160,26 +159,29 @@ _populate_gids_to_retain (hb_face_t *face,
 static void
 _create_old_gid_to_new_gid_map (const hb_face_t                   *face,
                                 bool                               retain_gids,
-				const hb_vector_t<hb_codepoint_t> &glyphs,
+				hb_set_t                          *all_gids_to_retain,
                                 hb_map_t                          *glyph_map, /* OUT */
                                 hb_map_t                          *reverse_glyph_map, /* OUT */
                                 unsigned int                      *num_glyphs /* OUT */)
 {
-  for (unsigned int i = 0; i < glyphs.length; i++) {
+  hb_codepoint_t gid = HB_SET_VALUE_INVALID;
+  unsigned int length = 0;
+  for (unsigned int i = 0; all_gids_to_retain->next (&gid); i++) {
     if (!retain_gids)
     {
-      glyph_map->set (glyphs[i], i);
-      reverse_glyph_map->set (i, glyphs[i]);
+      glyph_map->set (gid, i);
+      reverse_glyph_map->set (i, gid);
     }
     else
     {
-      glyph_map->set (glyphs[i], glyphs[i]);
-      reverse_glyph_map->set (glyphs[i], glyphs[i]);
+      glyph_map->set (gid, gid);
+      reverse_glyph_map->set (gid, gid);
     }
+    ++length;
   }
-  if (!retain_gids || glyphs.length == 0)
+  if (!retain_gids || length == 0)
   {
-    *num_glyphs = glyphs.length;
+    *num_glyphs = length;
   }
   else
   {
@@ -213,18 +215,16 @@ hb_subset_plan_create (hb_face_t           *face,
   plan->codepoint_to_glyph = hb_map_create();
   plan->glyph_map = hb_map_create();
   plan->reverse_glyph_map = hb_map_create();
-  hb_vector_t<hb_codepoint_t> glyphs;
   plan->_glyphset = _populate_gids_to_retain (face,
                                               input->unicodes,
                                               input->glyphs,
                                               !plan->drop_layout,
                                               plan->unicodes,
-                                              plan->codepoint_to_glyph,
-                                              &glyphs);
+                                              plan->codepoint_to_glyph);
 
   _create_old_gid_to_new_gid_map (face,
                                   input->retain_gids,
-				  glyphs,
+				  plan->_glyphset,
 				  plan->glyph_map,
                                   plan->reverse_glyph_map,
                                   &plan->_num_output_glyphs);