cros: Remove supervised user methods from SystemTrayDelegate

chrome/browser/chromeos/login/users/fake_chrome_user_manager.h

 // Copyright 2015 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_USERS_FAKE_CHROME_USER_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_USERS_FAKE_CHROME_USER_MANAGER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 10 matching lines @@
 
 class FakeSupervisedUserManager;
 
 // Fake chrome user manager with a barebones implementation. Users can be added
 // and set as logged in, and those users can be returned.
 class FakeChromeUserManager : public ChromeUserManager {
  public:
   FakeChromeUserManager();
   ~FakeChromeUserManager() override;
 
-  // Create and add a kiosk app user.
+  // Create and add various types of users.
   user_manager::User* AddKioskAppUser(const AccountId& account_id);
   user_manager::User* AddArcKioskAppUser(const AccountId& account_id);
-
-  // Create and add a public account user.
+  user_manager::User* AddSupervisedUser(const AccountId& account_id);
   const user_manager::User* AddPublicAccountUser(const AccountId& account_id);
 
   // Calculates the user name hash and calls UserLoggedIn to login a user.
+  // Sets the user as having its profile created, but does not create a profile.
+  // NOTE: This does not match production, which first logs in the user, then
+  // creates the profile and updates the user later.
   void LoginUser(const AccountId& account_id);
 
   const user_manager::User* AddUser(const AccountId& account_id);
   const user_manager::User* AddUserWithAffiliation(const AccountId& account_id,
                                                    bool is_affiliated);
 
   // user_manager::UserManager override.
   void Shutdown() override;
   const user_manager::UserList& GetUsers() const override;
   user_manager::UserList GetUsersAllowedForMultiProfile() const override;
@@ skipping 158 matching lines @@
   // Specific flows by user e-mail.
   // Keys should be canonicalized before access.
   FlowMap specific_flows_;
 
   DISALLOW_COPY_AND_ASSIGN(FakeChromeUserManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_USERS_FAKE_CHROME_USER_MANAGER_H_