Defining Title Tag in 4.0

In 3.4 I had this:

define( 'CCS_PAGE_TITLE_HOME', '{board_name} | {page_name}' );
define( 'CCS_PAGE_TITLE_RECORD', '{record_name} | {database_name} | {board_name}' );

How to do that in 4.0? The above code doesn’t work anymore.