Polymer upgraded to 1.0 in login flow.

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

 /* Copyright 2014 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.
  */
 
 :host {
-  background-color: rgb(15, 157, 88);
+  background-color: var(--google-green-500);
   color: white;
 }
 
 content::content strong {
   font-weight: 500;
 }
 
 /* Top part of a page. */
 
 #top {
   box-sizing: border-box;
   font-size: 23px;
   height: 266px;
   padding: 34px 48px 22px;
 }
 
 :host(.split) #top {
   padding-bottom: 33px;
 }
 
 :host(.big-font) #top {
   font-size: 33px;
 }
 
 /* Separator. */
 
 #separator {
-  background-color: rgba(255, 255, 255, 0.4);
+  background-color: var(--google-green-100);
   bottom: 0;
   display: block;
   height: 1px;
   left: 48px;
   position: absolute;
   right: 0;
 }
 
 :host(.split) #separator {
   display: none;
 }
 
-#separator indeterminate-progress {
+#separator paper-progress {
+  --paper-progress-active-color: white;
+  --paper-progress-container-color: var(--google-green-100);
   display: none;
+  width: 100%;
 }
 
-:host(.progress) #separator indeterminate-progress {
+:host(.progress) #separator paper-progress {
   display: block;
 }
 
 :host(.progress) #separator {
   bottom: -2px;
   height: 4px;
 }
 
 /* Bottom part of a page. */
 
@@ skipping 25 matching lines @@
 }
 
 #controls content[select='paper-button']::content :last-child {
   margin-right: -0.5em;
 }
 
 #controls content[select='paper-button']::content :not(:last-child) {
   margin-right: 1em;
 }
 
-:host(.split) #controls content[select='paper-button']::content
-    :last-child {
-  color: rgb(15, 157, 88);
+:host(.split) #controls content[select='paper-button']::content :last-child {
+  color: var(--google-green-500);
 }
 
-content::content paper-button[disabled] {
-  /* In Polymer 0.3 disabled button 'background-color' defined with '!important'
-   * flag, so we need '!important' here to override it.
-   * TODO(dzhioev): remove '!important' when Polymer is updated.
-   */
-  background: transparent !important;
-}
-