[cros] Button focus polishing on the login screen.

chrome/browser/resources/chromeos/login/user_pod_row.css

Index: chrome/browser/resources/chromeos/login/user_pod_row.css
diff --git a/chrome/browser/resources/chromeos/login/user_pod_row.css b/chrome/browser/resources/chromeos/login/user_pod_row.css
index aa18ec55dae424c666c0a92ae18a92ed7bce868c..14300f40c4524d4b1a0ab6ca539d4d57f7d8deab 100644
--- a/chrome/browser/resources/chromeos/login/user_pod_row.css
+++ b/chrome/browser/resources/chromeos/login/user_pod_row.css
@@ -181,7 +181,6 @@ html[dir=rtl] .pod .capslock-hint {
   -webkit-transition: width 100ms ease-in-out, background 200ms ease-in-out;
   background: url('../../../../../ui/resources/close_bar.png') center center no-repeat;
   background-color: rgba(255, 255, 255, 0.3);
-  border: 0;
   border-radius: 2px;
   box-shadow: none;
   height: 16px;