Updating trunk VERSION from 687.0 to 688.0
Updating trunk VERSION from 687.0 to 688.0

git-svn-id: http://src.chromium.org/svn/trunk/src@76366 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5c75280855ed08924e82b994c108882736c54d15
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