public function enqueue() {
parent::enqueue();
+ $custom_background = get_theme_support( 'custom-background' );
wp_localize_script( 'customize-controls', '_wpCustomizeBackground', array(
+ 'defaults' => ! empty( $custom_background[0] ) ? $custom_background[0] : array(),
'nonces' => array(
'add' => wp_create_nonce( 'background-add' ),
),