[cros] Report captive portal message when we suspect that might be the case.

chrome/browser/chromeos/login/views_login_display.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_CHROMEOS_LOGIN_VIEWS_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_VIEWS_LOGIN_DISPLAY_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 61 matching lines @@
   MessageBubble* bubble_;
 
   // UserController that corresponds user that's in process of being removed.
   // Has meaningful value only between OnBeforeUserRemoved()
   // and OnUserRemoved() calls.
   UserController* controller_for_removal_;
 
   // The set of visible UserControllers.
   std::vector<UserController*> controllers_;
 
+  // Last error message ID.
+  int error_msg_id_;
+
   // Help application used for help dialogs.
   scoped_ptr<HelpAppLauncher> help_app_;
 
   // Last error help topic ID.
   HelpAppLauncher::HelpTopic help_topic_id_;
 
   // The set of invisible UserControllers.
   std::vector<UserController*> invisible_controllers_;
 
   // Index of selected user (from the set of visible users).
   size_t selected_view_index_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewsLoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_VIEWS_LOGIN_DISPLAY_H_