Removing FRE UI for unicorn accounts.

chrome/browser/supervised_user/child_accounts/child_account_service.h

Index: chrome/browser/supervised_user/child_accounts/child_account_service.h
diff --git a/chrome/browser/supervised_user/child_accounts/child_account_service.h b/chrome/browser/supervised_user/child_accounts/child_account_service.h
index 4a1519670d151ea72d94199ac39cda71cf43e7db..270f00b2a7067fc735064a3e6f03bdea9d94bbac 100644
--- a/chrome/browser/supervised_user/child_accounts/child_account_service.h
+++ b/chrome/browser/supervised_user/child_accounts/child_account_service.h
@@ -11,8 +11,10 @@
 #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"
@@ -36,6 +38,12 @@ class ChildAccountService : public KeyedService,
  public:
   ~ChildAccountService() override;
 
+  enum ChildAccountStatus {
+    CHILD,
+    NON_CHILD,
+    UNKNOWN
+  };
+
   void Init();
 
   // Sets whether the signed-in account is a child account.
@@ -43,9 +51,15 @@ class ChildAccountService : public KeyedService,
   // 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
@@ -109,6 +123,10 @@ class ChildAccountService : public KeyedService,
   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);