Added estimated time remaining on AU.

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

 /* Copyright (c) 2012 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 the Out of the box experience (OOBE) flow,
  * sign in and lock screens.
  */
 
 html,
 body {
   height: 100%;
   width: 100%;
 }
 
 body {
   background: #fefefe;
   font-size: 14px;
   margin: 0;
   overflow: hidden;
   padding: 0;
 }
 
+progress {
+  border: solid 1px #bbb;
+  padding: 1px;
+}
+
+progress::-webkit-progress-bar {
+  background: white;
+}
+
+progress::-webkit-progress-value {
+  background: #bbb;
+}
+
 button {
   font-family: inherit;
   outline: none;
 }
 
 /* Follow same focus coloring as in widgets.css */
 button.custom-appearance {
   -webkit-transition: border-color 200ms;
   border: 1px solid transparent;
 }
@@ skipping 401 matching lines @@
   width: 32em;
 }
 
 #update #update-cancel-hint {
   color: rgb(170, 0, 0);
   left: 50%;
   margin: 1em -16em;
   position: absolute;
 }
 
+#update #update-upper-label {
+  -webkit-margin-after: 4px;
+}
+
+#update #update-bottom-label {
+  -webkit-margin-after: 4px;
+  -webkit-margin-before: 4px;
+}
+
 #update progress {
-  margin: 13px 0;
-  width: 380px;
+  -webkit-margin-after: 4px;
+  -webkit-margin-before: 34px;
+  -webkit-margin-start: 74px;
+  height: 15px;
+  width: 300px;
+}
+
+#update #update-estimated-time-left {
+  -webkit-margin-before: 4px;
+}
+
+#update #update-estimated-time-left {
+  color: #666;
+  font-size: 13px;
+  text-align: center;
 }
 
 button {
   min-width: 80px;
 }
 
 .eula-columns {
   display: -webkit-box;
   width: 630px;
 }
@@ skipping 321 matching lines @@
 }
 
 #notification-area a {
   color: rgb(37, 79, 155);
 }
 
 #notification-area .butter-bar {
   margin: 0 auto;
   max-width: 850px;
 }