Update harfbuzz-ng to 1a5a91dc0d8bf4b72a2f22dc6300b06ad7000b79.

third_party/harfbuzz-ng/src/hb-blob-private.h

Index: third_party/harfbuzz-ng/src/hb-blob-private.h
diff --git a/third_party/harfbuzz-ng/src/hb-blob-private.h b/third_party/harfbuzz-ng/src/hb-blob-private.h
deleted file mode 100644
index 92109eda27ff1595ac64f3ee8faba32f2b9f7031..0000000000000000000000000000000000000000
--- a/third_party/harfbuzz-ng/src/hb-blob-private.h
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2010  Red Hat, 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.
- *
- * IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE TO ANY PARTY FOR
- * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
- * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN
- * IF THE COPYRIGHT HOLDER HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
- * DAMAGE.
- *
- * THE COPYRIGHT HOLDER SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING,
- * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
- * FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS
- * ON AN "AS IS" BASIS, AND THE COPYRIGHT HOLDER HAS NO OBLIGATION TO
- * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
- *
- * Red Hat Author(s): Behdad Esfahbod
- */
-
-#ifndef HB_BLOB_PRIVATE_H
-#define HB_BLOB_PRIVATE_H
-
-#include "hb-private.h"
-
-#include "hb-blob.h"
-
-HB_BEGIN_DECLS
-
-
-struct _hb_blob_t {
-  hb_reference_count_t ref_count;
-
-  unsigned int length;
-
-  hb_mutex_t lock;
-  /* the rest are protected by lock */
-
-  unsigned int lock_count;
-  hb_memory_mode_t mode;
-
-  const char *data;
-
-  hb_destroy_func_t destroy;
-  void *user_data;
-};
-
-extern HB_INTERNAL hb_blob_t _hb_blob_nil;
-
-
-HB_END_DECLS
-
-#endif /* HB_BLOB_PRIVATE_H */