Output themes and theme-install infinite scrolling args in JS, rather than...

Output themes and theme-install infinite scrolling args in JS, rather than parsing query strings. props DH-Shredder, helenyhou. Make WP_Theme_Install_List_Table extend WP_Themes_List_Table. Doesn't help much yet, but we should be able to dry things up further. see #19815.



git-svn-id: https://core.svn.wordpress.org/trunk@20094 1a063a9b-81f0-0310-95a4-ce76da25c4cd