Updating trunk VERSION from 645.0 to 646.0
Updating trunk VERSION from 645.0 to 646.0

git-svn-id: http://src.chromium.org/svn/trunk/src@72144 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 4b03eca80d8a91b7a61326c9b22b786ae768107e
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