Removes bogus DCHECK in ConfirmInfoBar::ButtonPressed. The DCHECK is bogus as InfoBar adds a button that invokes this method as well.
Removes bogus DCHECK in ConfirmInfoBar::ButtonPressed. The DCHECK is
bogus as InfoBar adds a button that invokes this method as well.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/53034

git-svn-id: http://src.chromium.org/svn/trunk/src@12450 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4bd153e02badf6bc554460e35831ce10126d4c1c
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