Ralac on "WP media show toolbar with selected images"

How can i show the toolbar with the selected images as seen on the image above on a custom media frame:

http://i44.tinypic.com/23k8ars.png

custom_uploader = wp.media.frames.file_frame = wp.media({
				title: 'Choose Image',
				button: {
					text: 'Choose Selection'
				},
				multiple: true,
			});

Thanks!