Updating trunk VERSION from 455.0 to 456.0
Updating trunk VERSION from 455.0 to 456.0

git-svn-id: http://src.chromium.org/svn/trunk/src@51600 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b040cab7f84b71f821f5bbd67d4e1d88cd4e8d91
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