Implement oauth token external handler checking.

components/user_manager/user.h

 // Copyright 2014 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 COMPONENTS_USER_MANAGER_USER_H_
 #define COMPONENTS_USER_MANAGER_USER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
+#include "components/user_manager/user_id.h"
 #include "components/user_manager/user_image/user_image.h"
 #include "components/user_manager/user_info.h"
 #include "components/user_manager/user_manager_export.h"
 #include "components/user_manager/user_type.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/image/image_skia.h"
 
 namespace chromeos {
 class ChromeUserManagerImpl;
 class FakeChromeUserManager;
@@ skipping 62 matching lines @@
   const std::string& email() const { return email_; }
 
   // The displayed user name.
   base::string16 display_name() const { return display_name_; }
 
   // UserInfo
   std::string GetEmail() const override;
   base::string16 GetDisplayName() const override;
   base::string16 GetGivenName() const override;
   const gfx::ImageSkia& GetImage() const override;
-  std::string GetUserID() const override;
+  UserID GetUserID() const override;
 
   // Allows managing child status of the user. Used for RegularUser.
   virtual void SetIsChild(bool is_child);
 
   // Returns true if user has gaia account. True for users of types
   // USER_TYPE_REGULAR and USER_TYPE_CHILD.
   virtual bool HasGaiaAccount() const;
 
   // Returns true if user is supervised.
   virtual bool IsSupervised() const;
@@ skipping 62 matching lines @@
   friend class chromeos::UserImageManagerImpl;
   friend class chromeos::UserSessionManager;
 
   // For testing:
   friend class FakeUserManager;
   friend class chromeos::FakeChromeUserManager;
   friend class chromeos::MockUserManager;
   friend class chromeos::UserAddingScreenTest;
 
   // Do not allow anyone else to create new User instances.
-  static User* CreateRegularUser(const std::string& email);
+  static User* CreateRegularUser(const UserID& email);
   static User* CreateGuestUser();
-  static User* CreateKioskAppUser(const std::string& kiosk_app_username);
-  static User* CreateSupervisedUser(const std::string& username);
-  static User* CreatePublicAccountUser(const std::string& email);
+  static User* CreateKioskAppUser(const UserID& kiosk_app_username);
+  static User* CreateSupervisedUser(const UserID& username);
+  static User* CreatePublicAccountUser(const UserID& email);
 
   explicit User(const std::string& email);
   ~User() override;
 
   const std::string* GetAccountLocale() const { return account_locale_.get(); }
 
   // Setters are private so only UserManager can call them.
   void SetAccountLocale(const std::string& resolved_account_locale);
 
   void SetImage(const UserImage& user_image, int image_index);
@@ skipping 87 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(User);
 };
 
 // List of known users.
 typedef std::vector<User*> UserList;
 
 }  // namespace user_manager
 
 #endif  // COMPONENTS_USER_MANAGER_USER_H_