BUG=chromium-os:14276
TEST=Login, examine both regular and OTR, and test with and without themes.

Review URL: http://codereview.chromium.org/6904160

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@83729 0039d316-1c4b-4281-b951-d872f2087c98