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

chrome/browser/chromeos/login/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_LOGIN_DISPLAY_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_
 #pragma once
 
 #include <string>
 #include <vector>
 
 #include "chrome/browser/chromeos/login/help_app_launcher.h"
 #include "chrome/browser/chromeos/login/user_manager.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/rect.h"
 
 namespace chromeos {
 
 // An abstract class that defines login UI implementation.
 class LoginDisplay {
  public:
   class Delegate {
    public:
     // Create new Google account.
     virtual void CreateAccount() = 0;
 
+    // Users decides to sign in into captive portal.
+    virtual void FixCaptivePortal() = 0;
+
     // Sign in using |username| and |password| specified.
     // Used for both known and new users.
     virtual void Login(const std::string& username,
                        const std::string& password) = 0;
 
     // Sign in into Guest session.
     virtual void LoginAsGuest() = 0;
 
     // Called when existing user pod is selected in the UI.
     virtual void OnUserSelected(const std::string& username) = 0;
@@ skipping 60 matching lines @@
 
   // Bounds of the login UI background.
   const gfx::Rect background_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(LoginDisplay);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_DISPLAY_H_