Marria Nazif <marria@gmail.com> has cancelled Marria Nazif <marria@gmail.com>'s
request for superreview:
Bug 241972: new window opened by window.open('xxx.exe') or target="_blank"
isn't closed automatically when a download begins
https://bugzilla.mozilla.org/show_bug.cgi?id=241972

Attachment 225903: docshell tracks whether it loaded any content before
https://bugzilla.mozilla.org/attachment.cgi?id=225903&action=edit