Back out 279414b34e2c for breaking proxxy downloads
merged from default

changeset:   3137:5a57313e66dc
tag:         tip
parent:      3135:3cf5602fce51
user:        Chris AtLee <catlee@mozilla.com>
date:        Thu Sep 04 11:40:52 2014 -0400
summary:     Back out 279414b34e2c for breaking proxxy downloads

--HG--
branch : production