And this is the cl to enable the switch again. I'll only land this one
after I land the .conf change, which enables it all.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/1077006
diff --git a/session_manager_setup.sh b/session_manager_setup.sh
index 74299de..ce9a4fb 100755
--- a/session_manager_setup.sh
+++ b/session_manager_setup.sh
@@ -146,4 +146,5 @@
             --user-data-dir=/home/$USER \
             --login-profile=user \
             "--cookie-pipe=$COOKIE_PIPE" \
+            --enable-login-images \
             "${SKIP_OOBE}"