Shift signed-in-indicator with user-image on pod focus in WebUI lock screen.

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

 /* Copyright (c) 2011 The Chromium Authors. All rights reserved.
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  *
  * This is the stylesheet used by user pods row of account picker UI.
  */
 
 podrow {
   -webkit-box-align: center;
   -webkit-box-pack: center;
@@ skipping 196 matching lines @@
   background-image: none;
   border-radius: 4px;
   color: white;
   font-size: 10px;
   height: initial;
   padding: 2px 4px;
   width: initial;
 }
 
 .signed-in-indicator {
+  -webkit-transition: all .14s ease;
   background: rgba(0, 0, 0, 0.5);
   color: white;
   font-size: small;
   margin: 5px;
   position: absolute;
   padding-bottom: 3px;
   padding-top: 3px;
   text-align: center;
   /* Width of .user-image. */
   width: 160px;
   z-index: 1;
 }
+
+.pod.focused .signed-in-indicator {
+  /* Track shifting of .user-image on pod focus. */
+  -webkit-transform: translateY(-1px);
+}