Update known list based on WebContent->TabContent change.
Update known list based on WebContent->TabContent
change.

BUG=11408

Review URL: http://codereview.chromium.org/99347

git-svn-id: http://src.chromium.org/svn/trunk/src@15207 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 93a9e1c0a347555285bc31d7bef31cf02c9adf4e
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