Update the comments on why these really can't be done, and remove the notimpls. Review URL: http://codereview.chromium.org/126011
Update the comments on why these really can't be done, and remove the notimpls.
Review URL: http://codereview.chromium.org/126011

git-svn-id: http://src.chromium.org/svn/trunk/src@18268 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 0cf959831fbbf8bd94b8d3c85d24c9de4fc20678
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