superreview requested: [Bug 157004] Use original URL in history and URL bar when an error page is generated : [Attachment 172838] patch v5

Christian Biesinger (:bi) <cbiesinger@gmx.at> has asked Darin Fisher
<darin@meer.net> for superreview:
Bug 157004: Use original URL in history and URL bar when an error page is
generated
https://bugzilla.mozilla.org/show_bug.cgi?id=157004
Attachment 172838: patch v5
https://bugzilla.mozilla.org/attachment.cgi?id=172838&action=edit
------- Additional Comments from Christian Biesinger (:bi) <cbiesinger@gmx.at>
ok, made that change