Put the grab timeout back to 30seconds.
Put the grab timeout back to 30seconds.

 I haven't heard any locker related issue so far, and stephane applied X patch that
fixes a grab related bug ni X, so I decided to put this back now and see if we still
have this issue.

BUG=chromium-os:11453
TEST=none

R=cmasone@chromium.org

Review URL: http://codereview.chromium.org/6829001

git-svn-id: http://src.chromium.org/svn/trunk/src@81327 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b789c19903eac580542bdf3b5578ffe82c609097
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