[cros] Member variables cleanup in SigninScreenHandler.

chrome/browser/ui/webui/chromeos/login/signin_screen_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 200 matching lines @@
 
   // A delegate that glues this handler with backend LoginDisplay.
   SigninScreenHandlerDelegate* delegate_;
 
   // Whether screen should be shown right after initialization.
   bool show_on_init_;
 
   // Keeps whether screen should be shown for OOBE.
   bool oobe_ui_;
 
-  // Whether webui has been loaded for the first time.
-  bool is_first_webui_ready_;
+  // Is focus still stolen from Gaia page?
+  bool focus_stolen_;
 
-  // Whether it is the first attempt to load the gaia extension.
-  bool is_first_attempt_;
+  // Has Gaia page silent load been started for the current sign-in attempt?
+  bool gaia_silent_load_;
 
   // True if dns cache cleanup is done.
   bool dns_cleared_;
 
   // True if DNS cache task is already running.
   bool dns_clear_task_running_;
 
   // True if cookie jar cleanup is done.
   bool cookies_cleared_;
 
@@ skipping 18 matching lines @@
 
   // CapsLock state change notifier instance;
   SystemKeyEventListener* key_event_listener_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninScreenHandler);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_SIGNIN_SCREEN_HANDLER_H_