[aat] Remove an unused parameter

src/hb-aat-layout-common.hh

@@ -939,7 +939,7 @@ struct StateTableDriver
   bool is_idempotent_on_all_out_of_bounds (context_t *c, hb_aat_apply_context_t *ac)
   {
     const auto entry = machine.get_entry (StateTableT::STATE_START_OF_TEXT, CLASS_OUT_OF_BOUNDS);
-    return !c->is_actionable (ac->buffer, this, entry) &&
+    return !c->is_actionable (ac->buffer, entry) &&
 	    machine.new_state (entry.newState) == StateTableT::STATE_START_OF_TEXT;
   }
 
@@ -1021,7 +1021,7 @@ struct StateTableDriver
       bool is_safe_to_break =
       (
           /* 1. */
-          !c->is_actionable (buffer, this, entry) &&
+          !c->is_actionable (buffer, entry) &&
 
           /* 2. */
           // This one is meh, I know...
@@ -1033,7 +1033,7 @@ struct StateTableDriver
 		    wouldbe_entry = &machine.get_entry(StateTableT::STATE_START_OF_TEXT, klass)
 		    ,
 		    /* 2c'. */
-		    !c->is_actionable (buffer, this, *wouldbe_entry) &&
+		    !c->is_actionable (buffer, *wouldbe_entry) &&
 		    /* 2c". */
 		    (
 		      next_state == machine.new_state(wouldbe_entry->newState) &&
@@ -1043,7 +1043,7 @@ struct StateTableDriver
 	  ) &&
 
           /* 3. */
-          !c->is_actionable (buffer, this, machine.get_entry (state, CLASS_END_OF_TEXT))
+          !c->is_actionable (buffer, machine.get_entry (state, CLASS_END_OF_TEXT))
       );
 
       if (!is_safe_to_break && buffer->backtrack_len () && buffer->idx < buffer->len)

src/hb-aat-layout-kerx-table.hh

@@ -243,7 +243,6 @@ struct KerxSubTableFormat1
 	crossStream (table->header.coverage & table->header.CrossStream) {}
 
     bool is_actionable (hb_buffer_t *buffer HB_UNUSED,
-			StateTableDriver<Types, EntryData> *driver HB_UNUSED,
 			const Entry<EntryData> &entry)
     { return Format1EntryT::performAction (entry); }
     void transition (hb_buffer_t *buffer,
@@ -529,7 +528,6 @@ struct KerxSubTableFormat4
 	mark (0) {}
 
     bool is_actionable (hb_buffer_t *buffer HB_UNUSED,
-			StateTableDriver<Types, EntryData> *driver HB_UNUSED,
 			const Entry<EntryData> &entry)
     { return entry.data.ankrActionIndex != 0xFFFF; }
     void transition (hb_buffer_t *buffer,

src/hb-aat-layout-morx-table.hh

@@ -75,7 +75,6 @@ struct RearrangementSubtable
 	start (0), end (0) {}
 
     bool is_actionable (hb_buffer_t *buffer HB_UNUSED,
-			StateTableDriver<Types, EntryData> *driver HB_UNUSED,
 			const Entry<EntryData> &entry) const
     {
       return (entry.flags & Verb) && start < end;
@@ -233,7 +232,6 @@ struct ContextualSubtable
 	subs (table+table->substitutionTables) {}
 
     bool is_actionable (hb_buffer_t *buffer,
-			StateTableDriver<Types, EntryData> *driver,
 			const Entry<EntryData> &entry) const
     {
       if (buffer->idx == buffer->len && !mark_set)
@@ -485,7 +483,6 @@ struct LigatureSubtable
 	match_length (0) {}
 
     bool is_actionable (hb_buffer_t *buffer HB_UNUSED,
-			StateTableDriver<Types, EntryData> *driver HB_UNUSED,
 			const Entry<EntryData> &entry) const
     {
       return LigatureEntryT::performAction (entry);
@@ -795,7 +792,6 @@ struct InsertionSubtable
 	insertionAction (table+table->insertionAction) {}
 
     bool is_actionable (hb_buffer_t *buffer HB_UNUSED,
-			StateTableDriver<Types, EntryData> *driver HB_UNUSED,
 			const Entry<EntryData> &entry) const
     {
       return (entry.flags & (CurrentInsertCount | MarkedInsertCount)) &&