Removed Field (this came in as an idea from a previous patch by Serg)

include/mysql/plugin.h:
  Field Removed
sql/ha_ndbcluster.cc:
  Field Removed
sql/ha_partition.cc:
  Field Removed
sql/log.cc:
  Removed Field
storage/archive/ha_archive.cc:
  Removed Field
storage/blackhole/ha_blackhole.cc:
  Removed Field
storage/csv/ha_tina.cc:
  Removed Field
storage/example/ha_example.cc:
  Removed Field
storage/federated/ha_federated.cc:
  Removed Field
storage/heap/ha_heap.cc:
  Removed Field
storage/innobase/handler/ha_innodb.cc:
  Removed Field
storage/myisam/ha_myisam.cc:
  Removed Field
storage/myisammrg/ha_myisammrg.cc:
  Removed Field

include/mysql/plugin.h

@@ -301,7 +301,6 @@ struct st_mysql_ftparser
 struct st_mysql_storage_engine
 {
   int interface_version;
-  struct handlerton *handlerton;
 };
 
 #endif

sql/ha_ndbcluster.cc

@@ -10749,7 +10749,7 @@ SHOW_VAR ndb_status_variables_export[]= {
 };
 
 struct st_mysql_storage_engine ndbcluster_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, ndbcluster_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(ndbcluster)
 {

sql/ha_partition.cc

@@ -5632,7 +5632,7 @@ static int free_share(PARTITION_SHARE *share)
 #endif /* NOT_USED */
 
 struct st_mysql_storage_engine partition_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, partition_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(partition)
 {

sql/log.cc

@@ -4681,7 +4681,7 @@ int TC_LOG_BINLOG::recover(IO_CACHE *log, Format_description_log_event *fdle)
 }
 
 struct st_mysql_storage_engine binlog_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, binlog_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(binlog)
 {

storage/archive/ha_archive.cc

@@ -1571,7 +1571,7 @@ bool ha_archive::check_and_repair(THD *thd)
 }
 
 struct st_mysql_storage_engine archive_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, archive_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(archive)
 {

storage/blackhole/ha_blackhole.cc

@@ -212,7 +212,7 @@ static int blackhole_init(void *p)
 }
 
 struct st_mysql_storage_engine blackhole_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, blackhole_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(blackhole)
 {

storage/csv/ha_tina.cc

@@ -1516,7 +1516,7 @@ bool ha_tina::check_if_incompatible_data(HA_CREATE_INFO *info,
 }
 
 struct st_mysql_storage_engine csv_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, tina_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(csv)
 {

storage/example/ha_example.cc

@@ -703,7 +703,7 @@ int ha_example::create(const char *name, TABLE *table_arg,
 }
 
 struct st_mysql_storage_engine example_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, example_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 
 mysql_declare_plugin(example)

storage/federated/ha_federated.cc

@@ -2882,7 +2882,7 @@ int ha_federated::execute_simple_query(const char *query, int len)
 }
 
 struct st_mysql_storage_engine federated_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, federated_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(federated)
 {

storage/heap/ha_heap.cc

@@ -701,7 +701,7 @@ bool ha_heap::check_if_incompatible_data(HA_CREATE_INFO *info,
 }
 
 struct st_mysql_storage_engine heap_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, heap_hton};
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(heap)
 {

storage/innobase/handler/ha_innodb.cc

@@ -7607,7 +7607,7 @@ SHOW_VAR innodb_status_variables_export[]= {
 };
 
 struct st_mysql_storage_engine innobase_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, innobase_hton};
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(innobase)
 {

storage/myisam/ha_myisam.cc

@@ -1801,7 +1801,7 @@ static int myisam_init(void *p)
 }
 
 struct st_mysql_storage_engine myisam_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, myisam_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(myisam)
 {

storage/myisammrg/ha_myisammrg.cc

@@ -568,7 +568,7 @@ static int myisammrg_init(void *p)
 }
 
 struct st_mysql_storage_engine myisammrg_storage_engine=
-{ MYSQL_HANDLERTON_INTERFACE_VERSION, myisammrg_hton };
+{ MYSQL_HANDLERTON_INTERFACE_VERSION };
 
 mysql_declare_plugin(myisammrg)
 {