Fix typo
Fix typo

Typo makes the test have MAYBE prefix
TBR=cpu@chromium.org
TEST=DNSError_GoBack2AndForward
bug=19361
Review URL: http://codereview.chromium.org/6881057

git-svn-id: http://src.chromium.org/svn/trunk/src@82161 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4a619ed6b7f3638acbc30ccffcdfb822fad56612
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser