Polymer upgraded to 1.0 in login flow.

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

 /* Copyright 2013 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.
  */
 
 #user-image {
   min-height: 443px;
   padding: 70px 17px 21px;
   width: 702px;
 }
@@ skipping 93 matching lines @@
 
 .new-gaia-flow #user-image.loading {
   min-height: 528px; /* Should be the same as #gaia-signin height. */
   width: 448px; /* Should be the same as #gaia-signin width. */
 }
 
 .new-gaia-flow #old-flow-throbber {
   display: none;
 }
 
-#new-flow-throbber {
-  display: none;
-}
-
-.new-gaia-flow #new-flow-throbber {
-  display: block;
-}
-
 .image-loading.user-image .new-gaia-flow #step-logo {
   display: none;
 }
 
 html[dir=rtl] #user-image-preview {
   float: left;
 }
 
 #user-image-preview-img {
   display: block;
@@ skipping 147 matching lines @@
 }
 
 .camera.live:not(.online) .user-image-stream-area .spinner {
   display: block;
 }
 
 #user-images-loading {
   color: #9c9c9c;
 }