Added estimated time remaining on AU.

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 8c0ca09bbc4cc7b62addd39f6571302b3d865603..769f66959b44f90c55dcf749b5e1cfdb53d21616 100644
--- a/chrome/browser/resources/chromeos/login/oobe.js
+++ b/chrome/browser/resources/chromeos/login/oobe.js
@@ -78,7 +78,7 @@ cr.define('cr.ui', function() {
     login.HeaderBar.decorate($('login-header-bar'));
 
     $('security-link').addEventListener('click', function(event) {
-      chrome.send('eulaOnTpmPopupOpened', []);
+      chrome.send('eulaOnTpmPopupOpened');
       $('popup-overlay').hidden = false;
       $('security-ok-button').focus();
     });
@@ -92,7 +92,7 @@ cr.define('cr.ui', function() {
       event.preventDefault();
     });
 
-    chrome.send('screenStateInitialize', []);
+    chrome.send('screenStateInitialize');
   };
 
   /**
@@ -151,6 +151,37 @@ cr.define('cr.ui', function() {
   };
 
   /**
+   * Shows estimated time left status.
+   * @param {boolean} enable Are time left status show?
+   */
+  Oobe.showUpdateEstimatedTimeLeft = function(enable) {
+    $('update-estimated-time-left').hidden = !enable;
+  };
+
+  /**
+   * Sets estimated time left until download will complete.
+   * @param {number} seconds Time left in seconds.
+   */
+  Oobe.setUpdateEstimatedTimeLeft = function(seconds) {
+    var minutes = Math.ceil(seconds / 60);
+    var message = '';
+    if (minutes > 60) {
+      message = localStrings.getString('downloadingTimeLeftLong');
+    } else if (minutes > 55) {
+      message = localStrings.getStringF('downloadingTimeLeftStatusHours', 1);

[Nikita (slow), 2012/05/15 07:25:09]

Since you always use this string with 1 hour please define it exactly as is:
"About 1 hour left" so that there're no issues with verb endings when localized.

[ygorshenin1, 2012/05/15 08:12:10]

Done.

+    } else if (minutes > 20) {
+      message = localStrings.getStringF('downloadingTimeLeftStatusMinutes',
+                                        Math.ceil(minutes / 5) * 5);
+    } else if (minutes > 1) {
+      message = localStrings.getStringF('downloadingTimeLeftStatusMinutes',
+                                        minutes);
+    } else {
+      message = localStrings.getString('downloadingTimeLeftSmall');
+    }
+    $('update-estimated-time-left').innerText = message;
+  };
+
+  /**
    * Sets update message, which is shown above the progress bar.
    * @param {text} message Message which is shown by the label.
    */