Update harfbuzz-ng to 0.9.14 from 0.9.10

third_party/harfbuzz-ng/src/hb-buffer.h

 /*
  * Copyright © 1998-2004  David Turner and Werner Lemberg
  * Copyright © 2004,2007,2009  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 175 matching lines @@
 hb_buffer_get_flags (hb_buffer_t *buffer);
 
 
 /* Resets the buffer.  Afterwards it's as if it was just created,
  * except that it has a larger buffer allocated perhaps... */
 void
 hb_buffer_reset (hb_buffer_t *buffer);
 
 /* Like reset, but does NOT clear unicode_funcs. */
 void
-hb_buffer_clear (hb_buffer_t *buffer);
+hb_buffer_clear_contents (hb_buffer_t *buffer);
 
 /* Returns false if allocation failed */
 hb_bool_t
 hb_buffer_pre_allocate (hb_buffer_t  *buffer,
                         unsigned int  size);
 
 
 /* Returns false if allocation has failed before */
 hb_bool_t
 hb_buffer_allocation_successful (hb_buffer_t  *buffer);
@@ skipping 90 matching lines @@
 const char **
 hb_buffer_serialize_list_formats (void);
 
 /* Returns number of items, starting at start, that were serialized. */
 unsigned int
 hb_buffer_serialize_glyphs (hb_buffer_t *buffer,
                             unsigned int start,
                             unsigned int end,
                             char *buf,
                             unsigned int buf_size,
-                            unsigned int *buf_consumed,
+                            unsigned int *buf_consumed, /* May be NULL */
                             hb_font_t *font, /* May be NULL */
                             hb_buffer_serialize_format_t format,
                             hb_buffer_serialize_flags_t flags);
 
 hb_bool_t
 hb_buffer_deserialize_glyphs (hb_buffer_t *buffer,
                               const char *buf,
-                              unsigned int buf_len,
-                              unsigned int *buf_consumed,
+                              int buf_len, /* -1 means nul-terminated */
+                              const char **end_ptr, /* May be NULL */
                               hb_font_t *font, /* May be NULL */
                               hb_buffer_serialize_format_t format);
 
 
 HB_END_DECLS
 
 #endif /* HB_BUFFER_H */