Removing FRE UI for unicorn accounts.

chrome/browser/chromeos/login/session/user_session_manager.h

Index: chrome/browser/chromeos/login/session/user_session_manager.h
diff --git a/chrome/browser/chromeos/login/session/user_session_manager.h b/chrome/browser/chromeos/login/session/user_session_manager.h
index 581847f7ba6fc56d5ef97df7f99b62602c975bcd..3e171608962f75f1cdf2c7c53c93428b4647f6d8 100644
--- a/chrome/browser/chromeos/login/session/user_session_manager.h
+++ b/chrome/browser/chromeos/login/session/user_session_manager.h
@@ -247,6 +247,10 @@ class UserSessionManager
   // Used when restoring user sessions after crash.
   void OnProfilePrepared(Profile* profile, bool browser_launched) override;
 
+  void ChildAccountStatusReceivedCallback();
+
+  void StopChildStatusObserving();
+
   void CreateUserSession(const UserContext& user_context,
                          bool has_auth_cookies);
   void PreStartSession();
@@ -412,6 +416,11 @@ class UserSessionManager
   // Whether should launch browser, tests may override this value.
   bool should_launch_browser_;
 
+  // Child account status is necessary for InitializeStartUrls call.
+  bool waiting_for_child_account_status_;
+
+  base::WeakPtrFactory<UserSessionManager> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(UserSessionManager);
 };