dict_sys_t::evict_table_LRU(): Replaces dict_make_room_in_cache() and
srv_master_evict_from_table_cache().

innobase_get_table_cache_size(): Replaced with direct read of tdc_size,
in dict_sys_t::evict_table_LRU().

innobase_get_lower_case_table_names(): Replaced with direct reads of
lower_case_table_names.