Remove unnecessary local variable.


git-svn-id: http://core.svn.wordpress.org/trunk@24359 1a063a9b-81f0-0310-95a4-ce76da25c4cd
Extract the base views from media.

See #24424.


git-svn-id: http://core.svn.wordpress.org/trunk@24360 1a063a9b-81f0-0310-95a4-ce76da25c4cd