Roll harfbuzz-ng to 1.0.5

third_party/harfbuzz-ng/src/hb-buffer-private.hh

 /*
  * Copyright © 1998-2004  David Turner and Werner Lemberg
  * Copyright © 2004,2007,2009,2010  Red Hat, Inc.
  * Copyright © 2011,2012  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
@@ skipping 183 matching lines @@
   inline bool ensure_inplace (unsigned int size)
   { return likely (!size || size < allocated); }
 
   HB_INTERNAL bool make_room_for (unsigned int num_in, unsigned int num_out);
   HB_INTERNAL bool shift_forward (unsigned int count);
 
   typedef long scratch_buffer_t;
   HB_INTERNAL scratch_buffer_t *get_scratch_buffer (unsigned int *size);
 
   inline void clear_context (unsigned int side) { context_len[side] = 0; }
+
+  HB_INTERNAL void sort (unsigned int start, unsigned int end, int(*compar)(const hb_glyph_info_t *, const hb_glyph_info_t *));
 };
 
 
 #define HB_BUFFER_XALLOCATE_VAR(b, func, var, owner) \
   b->func (offsetof (hb_glyph_info_t, var) - offsetof(hb_glyph_info_t, var1), \
            sizeof (b->info[0].var), owner)
 #define HB_BUFFER_ALLOCATE_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, allocate_var, var (), #var)
 #define HB_BUFFER_DEALLOCATE_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, deallocate_var, var (), #var)
 #define HB_BUFFER_ASSERT_VAR(b, var) \
         HB_BUFFER_XALLOCATE_VAR (b, assert_var, var (), #var)
 
 
 #endif /* HB_BUFFER_PRIVATE_HH */