Added estimated time remaining on AU.

chrome/browser/chromeos/login/update_screen_actor.h

Index: chrome/browser/chromeos/login/update_screen_actor.h
diff --git a/chrome/browser/chromeos/login/update_screen_actor.h b/chrome/browser/chromeos/login/update_screen_actor.h
index b4fbbb6e2496ab66d0a9d9d72211076abe04fa8f..89af70b3b27d618110535eae31645fc6b7a25fff 100644
--- a/chrome/browser/chromeos/login/update_screen_actor.h
+++ b/chrome/browser/chromeos/login/update_screen_actor.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -6,6 +6,8 @@
 #define CHROME_BROWSER_CHROMEOS_LOGIN_UPDATE_SCREEN_ACTOR_H_
 #pragma once
 
+#include "base/time.h"
+
 namespace chromeos {
 
 class UpdateScreenActor {
@@ -37,6 +39,12 @@ class UpdateScreenActor {
   // Sets current progress in percents.
   virtual void SetProgress(int progress) = 0;
 
+  // Shows estimated time left message.
+  virtual void ShowEstimatedTimeLeft(bool enable) = 0;
+
+  // Sets current estimation for time left in the downloading stage.
+  virtual void SetEstimatedTimeLeft(const base::TimeDelta& time) = 0;
+
   // Shows screen curtains.
   virtual void ShowCurtain(bool enable) = 0;