Show progress bar as soon as update state changed to UPDATE_STATUS_UPDATE_AVAILABLE

chrome/browser/chromeos/login/update_screen_browsertest.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/chromeos/cros/mock_login_library.h"
 #include "chrome/browser/chromeos/cros/mock_network_library.h"
 #include "chrome/browser/chromeos/cros/mock_update_library.h"
 #include "chrome/browser/chromeos/login/mock_screen_observer.h"
 #include "chrome/browser/chromeos/login/update_screen.h"
 #include "chrome/browser/chromeos/login/wizard_controller.h"
@@ skipping 83 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(UpdateScreenTest);
 };
 
 IN_PROC_BROWSER_TEST_F(UpdateScreenTest, TestBasic) {
   ASSERT_TRUE(update_screen_->actor_ != NULL);
 }
 
 IN_PROC_BROWSER_TEST_F(UpdateScreenTest, TestNoUpdate) {
+  update_screen_->SetIgnoreIdleStatus(true);
   UpdateLibrary::Status status;
   status.status = UPDATE_STATUS_IDLE;
   EXPECT_CALL(*mock_update_library_, status())
+      .Times(1)
+      .WillRepeatedly(ReturnRef(status));
+  update_screen_->UpdateStatusChanged(mock_update_library_);
+  status.status = UPDATE_STATUS_CHECKING_FOR_UPDATE;
+  EXPECT_CALL(*mock_update_library_, status())
+      .Times(1)
+      .WillRepeatedly(ReturnRef(status));
+  update_screen_->UpdateStatusChanged(mock_update_library_);
+  status.status = UPDATE_STATUS_IDLE;
+  EXPECT_CALL(*mock_update_library_, status())
       .Times(AtLeast(1))
       .WillRepeatedly(ReturnRef(status));
   EXPECT_CALL(*mock_screen_observer_, OnExit(ScreenObserver::UPDATE_NOUPDATE))
       .Times(1);
   update_screen_->UpdateStatusChanged(mock_update_library_);
 }
 
 IN_PROC_BROWSER_TEST_F(UpdateScreenTest, TestUpdateAvailable) {
   update_screen_->is_ignore_update_deadlines_ = true;
 
@@ skipping 96 matching lines @@
   EXPECT_CALL(*mock_update_library_, status())
       .Times(AtLeast(1))
       .WillRepeatedly(ReturnRef(status));
   EXPECT_CALL(*mock_screen_observer_,
               OnExit(ScreenObserver::UPDATE_ERROR_UPDATING))
       .Times(1);
   update_screen_->UpdateStatusChanged(mock_update_library_);
 }
 
 }  // namespace chromeos