Makes extension badges on Chrome OS draw the same as they do on windows.
Makes extension badges on Chrome OS draw the same as they do on windows.

CHROMEOS_BUG=1008
TEST=none

Review URL: http://codereview.chromium.org/509033

git-svn-id: http://src.chromium.org/svn/trunk/src@35170 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f72981b7f37b2fbf984a0af1ee998b32a7efef26
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