Slightly modified ETA computation algorithm. Also modified UI of the

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

Index: chrome/browser/resources/chromeos/login/oobe.js
diff --git a/chrome/browser/resources/chromeos/login/oobe.js b/chrome/browser/resources/chromeos/login/oobe.js
index a0fece802d841003ec2d606907c394931c43e6e8..adb7572774194355fcd953c8cc5f8791a19b4fad 100644
--- a/chrome/browser/resources/chromeos/login/oobe.js
+++ b/chrome/browser/resources/chromeos/login/oobe.js
@@ -157,18 +157,20 @@ cr.define('cr.ui', function() {
   };
 
   /**
-   * Shows estimated time left status.
+   * Shows downloading estimated time left status.
    * @param {boolean} enable Are time left status show?

[Ivan Korotkov, 2012/08/24 09:01:36]

Please fix this sentence

[ygorshenin1, 2012/08/27 12:54:16]

Done.

    */
-  Oobe.showUpdateEstimatedTimeLeft = function(enable) {
-    $('update-estimated-time-left').hidden = !enable;
+  Oobe.showEstimatedTimeLeft = function(enable) {
+    if (enable)
+      $('progress-message').hidden = true;

[Ivan Korotkov, 2012/08/24 09:01:36]

Is it ok that a further call with enable=false won't hide it?

[ygorshenin1, 2012/08/27 12:54:16]

Done.

+    $('estimated-time-left').hidden = !enable;
   };
 
   /**
    * Sets estimated time left until download will complete.
    * @param {number} seconds Time left in seconds.
    */
-  Oobe.setUpdateEstimatedTimeLeft = function(seconds) {
+  Oobe.setEstimatedTimeLeft = function(seconds) {
     var minutes = Math.ceil(seconds / 60);
     var message = '';
     if (minutes > 60) {
@@ -184,7 +186,26 @@ cr.define('cr.ui', function() {
     } else {
       message = localStrings.getString('downloadingTimeLeftSmall');
     }
-    $('update-estimated-time-left').textContent = message;
+    $('estimated-time-left').textContent =
+      localStrings.getStringF('downloading', message);
+  };
+
+  /**
+   * Shows message below progress bar.
+   * @param {boolean} enable Are message should be shown?

[Ivan Korotkov, 2012/08/24 09:01:36]

ditto

[ygorshenin1, 2012/08/27 12:54:16]

Done.

+   */
+  Oobe.showProgressMessage = function(enable) {
+    if (enable)

[Ivan Korotkov, 2012/08/24 09:01:36]

ditto

[ygorshenin1, 2012/08/27 12:54:16]

Done.

+      $('estimated-time-left').hidden = true;
+    $('progress-message').hidden = !enable;
+  };
+
+  /**
+   * Sets message below progress bar.
+   * @param {string} message Message that should be shown.
+   */
+  Oobe.setProgressMessage = function(message) {
+    $('progress-message').innerText = message;
   };
 
   /**