Fix the following issue in app notify login flow:

chrome/browser/extensions/app_notify_channel_ui.h

 // 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.
 
 #ifndef CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_
 #define CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 50 matching lines @@
   void StopObservingSync();
 
   Browser* browser_;
   TabContentsWrapper* wrapper_;
   std::string app_name_;
   AppNotifyChannelUI::Delegate* delegate_;
 
   // Have we registered ourself as a ProfileSyncServiceObserver?
   bool observing_sync_;
 
-  // This is for working around a bug where the first ProfileSyncServiceObserver
-  // callback after starting the sync login process erroneously reports
-  // SetupInProgress as false. See crbug.com/101842.
-  bool got_first_sync_callback_;
+  // This is for working around a bug that ProfileSyncService calls
+  // ProfileSyncServiceObserver::OnStateChanged callback many times
+  // after ShowLoginDialog is called and before the wizard is
+  // actually visible to the user. So we record if the wizard was
+  // shown to user and then wait for wizard to get dismissed.
+  // See crbug.com/101842.
+  bool wizard_shown_to_user_;
 
   DISALLOW_COPY_AND_ASSIGN(AppNotifyChannelUIImpl);
 };
 
 #endif  // CHROME_BROWSER_EXTENSIONS_APP_NOTIFY_CHANNEL_UI_H_