[Sync] Remove UIDataTypeController

chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc

Index: chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc
diff --git a/chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc b/chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc
index 576787d1110ae9d4934cacbead7642cbb521a566..62b3ce4b58abb70801c3a022ea852e99d367438c 100644
--- a/chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc
+++ b/chrome/browser/supervised_user/legacy/supervised_user_sync_service.cc
@@ -551,8 +551,6 @@ SyncError SupervisedUserSyncService::ProcessSyncChanges(
 void SupervisedUserSyncService::GoogleSignedOut(
     const std::string& account_id,
     const std::string& username) {
-  DCHECK(!sync_processor_);
-
   // Clear all data on signout, to avoid supervised users from one custodian
   // appearing in another one's profile.
   prefs_->ClearPref(prefs::kSupervisedUsers);