WordPress at a glance
filter is not described

wp_admin_bar_class filter-hook . WP 3.1.0

Filters the admin bar class to instantiate.

Usage

add_filter( 'wp_admin_bar_class', 'filter_function_name_5356' );
function filter_function_name_5356( $wp_admin_bar_class ){
	// filter...

	return $wp_admin_bar_class;
}
$wp_admin_bar_class(string)
Admin bar class to use.
Default: 'WP_Admin_Bar'

Where the hook is called

_wp_admin_bar_init()
wp-includes/admin-bar.php 41
$admin_bar_class = apply_filters( 'wp_admin_bar_class', 'WP_Admin_Bar' );

Where the hook is used (in WP core)

Does not used.