[ot-layout] Remove unused members

We should hang those off somewhere else. For now, the unused ones can go.

src/hb-aat-layout.cc

@@ -44,6 +44,7 @@
  * morx/kerx/trak
  */
 
+#if 0
 static inline const AAT::ankr&
 _get_ankr (hb_face_t *face, hb_blob_t **blob = nullptr)
 {
@@ -109,6 +110,7 @@ _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
     *blob = layout->trak.blob;
   return trak;
 }
+#endif
 
 // static inline void
 // _hb_aat_layout_create (hb_face_t *face)
@@ -127,16 +129,19 @@ _get_trak (hb_face_t *face, hb_blob_t **blob = nullptr)
 void
 hb_aat_layout_substitute (hb_font_t *font, hb_buffer_t *buffer)
 {
+#if 0
   hb_blob_t *blob;
   const AAT::morx& morx = _get_morx (font->face, &blob);
 
   AAT::hb_aat_apply_context_t c (font, buffer, blob);
   morx.apply (&c);
+#endif
 }
 
 void
 hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer)
 {
+#if 0
   hb_blob_t *blob;
   const AAT::ankr& ankr = _get_ankr (font->face, &blob);
   const AAT::kerx& kerx = _get_kerx (font->face, &blob);
@@ -145,4 +150,5 @@ hb_aat_layout_position (hb_font_t *font, hb_buffer_t *buffer)
   AAT::hb_aat_apply_context_t c (font, buffer, blob);
   kerx.apply (&c, &ankr);
   trak.apply (&c);
+#endif
 }

src/hb-ot-layout-private.hh

@@ -173,15 +173,9 @@ struct hb_ot_layout_t
 
   /* TODO Move the following out of this struct. */
   OT::hb_lazy_table_loader_t<struct OT::BASE> base;
-  OT::hb_lazy_table_loader_t<struct OT::COLR> colr;
-  OT::hb_lazy_table_loader_t<struct OT::CPAL> cpal;
   OT::hb_lazy_table_loader_t<struct OT::MATH> math;
   OT::hb_lazy_table_loader_t<struct OT::fvar> fvar;
   OT::hb_lazy_table_loader_t<struct OT::avar> avar;
-  OT::hb_lazy_table_loader_t<struct AAT::ankr> ankr;
-  OT::hb_lazy_table_loader_t<struct AAT::kerx> kerx;
-  OT::hb_lazy_table_loader_t<struct AAT::morx> morx;
-  OT::hb_lazy_table_loader_t<struct AAT::trak> trak;
 
   unsigned int gsub_lookup_count;
   unsigned int gpos_lookup_count;

src/hb-ot-layout.cc

@@ -30,19 +30,20 @@
 
 #include "hb-open-type-private.hh"
 #include "hb-ot-layout-private.hh"
+#include "hb-ot-map-private.hh"
 
-#include "hb-ot-layout-base-table.hh"
 #include "hb-ot-layout-gdef-table.hh"
 #include "hb-ot-layout-gsub-table.hh"
 #include "hb-ot-layout-gpos-table.hh"
-#include "hb-ot-layout-jstf-table.hh" // Just so we compile it; unused otherwise.
-#include "hb-ot-name-table.hh" // Just so we compile it; unused otherwise.
+
+// Just so we compile them; unused otherwise:
+#include "hb-ot-layout-base-table.hh"
+#include "hb-ot-layout-jstf-table.hh"
 #include "hb-ot-color-colr-table.hh"
 #include "hb-ot-color-cpal-table.hh"
-#include "hb-ot-color-sbix-table.hh" // Just so we compile it; unused otherwise.
-#include "hb-ot-color-svg-table.hh" // Just so we compile it; unused otherwise.
-
-#include "hb-ot-map-private.hh"
+#include "hb-ot-color-sbix-table.hh"
+#include "hb-ot-color-svg-table.hh"
+#include "hb-ot-name-table.hh"
 
 
 #ifndef HB_NO_VISIBILITY
@@ -66,16 +67,9 @@ _hb_ot_layout_create (hb_face_t *face)
   layout->gpos_blob = OT::Sanitizer<OT::GPOS>().sanitize (face->reference_table (HB_OT_TAG_GPOS));
   layout->gpos = OT::Sanitizer<OT::GPOS>::lock_instance (layout->gpos_blob);
 
-  layout->base.init (face);
-  layout->colr.init (face);
-  layout->cpal.init (face);
   layout->math.init (face);
   layout->fvar.init (face);
   layout->avar.init (face);
-  layout->ankr.init (face);
-  layout->kerx.init (face);
-  layout->morx.init (face);
-  layout->trak.init (face);
 
   {
     /*
@@ -222,16 +216,9 @@ _hb_ot_layout_destroy (hb_ot_layout_t *layout)
   hb_blob_destroy (layout->gsub_blob);
   hb_blob_destroy (layout->gpos_blob);
 
-  layout->base.fini ();
-  layout->colr.fini ();
-  layout->cpal.fini ();
   layout->math.fini ();
   layout->fvar.fini ();
   layout->avar.fini ();
-  layout->ankr.fini ();
-  layout->kerx.fini ();
-  layout->morx.fini ();
-  layout->trak.fini ();
 
   free (layout);
 }