Customizer dropdown pages

gistfile1.txt

<?php 
   
        $wp_customize->add_setting( 'select_page', array(
	      'default'    => '', 
        ) );
        
        $wp_customize->add_control( 'map_page_control', array(
              'label' 		=> __( 'Select page', 'twentyfourteen' ),
	      'section' 	=> 'theme_options',
	      'settings' 	=> 'select_page',
	      'priority' 	=> 1,
	      'type' 	=> 'dropdown-pages',
        ) );   
        
?>