Remove VisitedLink NOTIMPLEMENTED() now that history is fixed.
Remove VisitedLink NOTIMPLEMENTED() now that history is fixed.

Review URL: http://codereview.chromium.org/20291


git-svn-id: http://src.chromium.org/svn/trunk/src@9638 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ea6e055cc36d914027972eed5f60b6350a3fc904
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