Remove some bogus NOTIMPLEMENTEDs that were leading to layout test bustage.
Remove some bogus NOTIMPLEMENTEDs that were leading to layout test bustage.

TBR=tony
Review URL: http://codereview.chromium.org/7380

git-svn-id: http://src.chromium.org/svn/trunk/src@3440 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 725d50b8c3206592e4a79f505ed5c1ba20cd5fdd
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