Removing FRE UI for unicorn accounts.

chrome/browser/supervised_user/child_accounts/child_account_service.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 CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_
 #define CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_
 
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
+#include "base/observer_list.h"
 #include "base/time/time.h"
 #include "base/timer/timer.h"
+#include "chrome/browser/supervised_user/child_accounts/child_account_status_observer.h"
 #include "chrome/browser/supervised_user/child_accounts/family_info_fetcher.h"
 #include "chrome/browser/supervised_user/supervised_user_service.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/signin/core/browser/account_service_flag_fetcher.h"
 #include "components/signin/core/browser/signin_manager_base.h"
 #include "net/base/backoff_entry.h"
 
 namespace base {
 class FilePath;
 }
 
 class Profile;
 
 // This class handles detection of child accounts (on sign-in as well as on
 // browser restart), and triggers the appropriate behavior (e.g. enable the
 // supervised user experience, fetch information about the parent(s)).
 class ChildAccountService : public KeyedService,
                             public FamilyInfoFetcher::Consumer,
                             public SigninManagerBase::Observer,
                             public SupervisedUserService::Delegate {
  public:
   ~ChildAccountService() override;
 
+  enum ChildAccountStatus {
+    CHILD,
+    NON_CHILD,
+    UNKNOWN
+  };
+
   void Init();
 
   // Sets whether the signed-in account is a child account.
   // Public so it can be called on platforms where child account detection
   // happens outside of this class (like Android).
   void SetIsChildAccount(bool is_child_account);
 
+  bool IsChildAccountStatusKnown();
+
   // KeyedService:
   void Shutdown() override;
 
+  // Adds/removes observer.
+  void AddStatusObserver(ChildAccountStatusObserver* observer);
+  void RemoveStatusObserver(ChildAccountStatusObserver* observer);
+
  private:
   friend class ChildAccountServiceFactory;
   // Use |ChildAccountServiceFactory::GetForProfile(...)| to get an instance of
   // this service.
   explicit ChildAccountService(Profile* profile);
 
   // SupervisedUserService::Delegate implementation.
   bool SetActive(bool active) override;
   base::FilePath GetBlacklistPath() const override;
   GURL GetBlacklistURL() const override;
@@ skipping 43 matching lines @@
   scoped_ptr<AccountServiceFlagFetcher> flag_fetcher_;
   // If fetching the account service flag fails, retry with exponential backoff.
   base::OneShotTimer<ChildAccountService> flag_fetch_timer_;
   net::BackoffEntry flag_fetch_backoff_;
 
   scoped_ptr<FamilyInfoFetcher> family_fetcher_;
   // If fetching the family info fails, retry with exponential backoff.
   base::OneShotTimer<ChildAccountService> family_fetch_timer_;
   net::BackoffEntry family_fetch_backoff_;
 
+  ChildAccountStatus account_status_;

[Marc Treib, 2015/03/04 16:31:48]

Hm, I think this is actually only used to decide UNKNOWN or not UNKNOWN. If so,
it should just be a bool.

[merkulova, 2015/03/04 19:06:49]

removed. Moved to pref.

+
+  ObserverList<ChildAccountStatusObserver> observer_list_;
+
   base::WeakPtrFactory<ChildAccountService> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildAccountService);
 };
 
 #endif  // CHROME_BROWSER_SUPERVISED_USER_CHILD_ACCOUNTS_CHILD_ACCOUNT_SERVICE_H_