Fallback to on-line password check if local fails.

chrome/browser/ui/webui/signin/user_manager_screen_handler.h

 // Copyright 2013 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_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/scoped_ptr.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "content/public/browser/web_ui_message_handler.h"
+#include "google_apis/gaia/gaia_auth_consumer.h"
+
+class GaiaAuthFetcher;
 
 namespace base {
 class DictionaryValue;
 class FilePath;
 class ListValue;
 }
 
-class UserManagerScreenHandler : public content::WebUIMessageHandler {
+class UserManagerScreenHandler : public content::WebUIMessageHandler,
+                                 public GaiaAuthConsumer {
  public:
   UserManagerScreenHandler();
   virtual ~UserManagerScreenHandler();
 
   // WebUIMessageHandler implementation.
   virtual void RegisterMessages() OVERRIDE;
 
   void GetLocalizedValues(base::DictionaryValue* localized_strings);
 
  private:
   // An observer for any changes to Profiles in the ProfileInfoCache so that
   // all the visible user manager screens can be updated.
   class ProfileUpdateObserver;
 
   void HandleInitialize(const base::ListValue* args);
   void HandleAddUser(const base::ListValue* args);
   void HandleAuthenticatedLaunchUser(const base::ListValue* args);
   void HandleLaunchGuest(const base::ListValue* args);
   void HandleLaunchUser(const base::ListValue* args);
   void HandleRemoveUser(const base::ListValue* args);
 
+  // Handle GAIA auth results.
+  virtual void OnClientLoginSuccess(const ClientLoginResult& result) OVERRIDE;
+  virtual void OnClientLoginFailure(const GoogleServiceAuthError& error)
+      OVERRIDE;
+
   // Sends user list to account chooser.
   void SendUserList();
 
+  // Pass success/failure information back to the web page.
+  void ReportAuthenticationResult(bool success);
+
   // Observes the ProfileInfoCache and gets notified when a profile has been
   // modified, so that the displayed user pods can be updated.
   scoped_ptr<ProfileUpdateObserver> profileInfoCacheObserver_;
 
   // The host desktop type this user manager belongs to.
   chrome::HostDesktopType desktop_type_;
 
+  // Authenticator used when local-auth fails.
+  scoped_ptr<GaiaAuthFetcher> client_login_;
+
+  // The index of the profile currently being authenticated.
+  size_t authenticating_profile_index_;
+
+  // Login password, held during on-line auth for saving later if correct.
+  std::string password_attempt_;
+
   DISALLOW_COPY_AND_ASSIGN(UserManagerScreenHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_SIGNIN_USER_MANAGER_SCREEN_HANDLER_H_