Roll harfbuzz-ng 3b8fd9c48f4bde368bf2d465c148b9743a9216ee

third_party/harfbuzz-ng/src/hb-ot-layout.h

Index: third_party/harfbuzz-ng/src/hb-ot-layout.h
diff --git a/third_party/harfbuzz-ng/src/hb-ot-layout.h b/third_party/harfbuzz-ng/src/hb-ot-layout.h
index 447e35dbfad7363491df03081cec5b9ba4d14c05..b8b5baf3b3da80adbb24b1a4931c50f3731aaa90 100644
--- a/third_party/harfbuzz-ng/src/hb-ot-layout.h
+++ b/third_party/harfbuzz-ng/src/hb-ot-layout.h
@@ -24,12 +24,14 @@
  * Red Hat Author(s): Behdad Esfahbod
  */
 
+#ifndef HB_OT_H_IN
+#error "Include <hb-ot.h> instead."
+#endif
+
 #ifndef HB_OT_LAYOUT_H
 #define HB_OT_LAYOUT_H
 
-#include "hb-common.h"
-#include "hb-buffer.h"
-#include "hb-font.h"
+#include "hb.h"
 
 #include "hb-ot-tag.h"
 
@@ -180,6 +182,12 @@ hb_ot_layout_substitute_lookup (hb_face_t    *face,
 void
 hb_ot_layout_substitute_finish (hb_buffer_t  *buffer);
 
+
+void
+hb_ot_layout_substitute_closure_lookup (hb_face_t    *face,
+				        hb_set_t     *glyphs,
+				        unsigned int  lookup_index);
+
 /*
  * GPOS
  */