[sync] Fix IsSyncConfirmationNeeded crash when local backend is enabled

components/browser_sync/profile_sync_service.cc

Index: components/browser_sync/profile_sync_service.cc
diff --git a/components/browser_sync/profile_sync_service.cc b/components/browser_sync/profile_sync_service.cc
index 44c5cdd97e964fc588db245a1cd8e37f569709d2..0bf8b696ee84cd1cba28b03c9445e1e5727954d8 100644
--- a/components/browser_sync/profile_sync_service.cc
+++ b/components/browser_sync/profile_sync_service.cc
@@ -788,8 +788,8 @@ void ProfileSyncService::SetFirstSetupComplete() {
 
 bool ProfileSyncService::IsSyncConfirmationNeeded() const {
   DCHECK(thread_checker_.CalledOnValidThread());
-  return IsSignedIn() && !IsFirstSetupInProgress() && !IsFirstSetupComplete() &&
-         IsSyncRequested();
+  return (!IsLocalSyncEnabled() && IsSignedIn()) && !IsFirstSetupInProgress() &&
+         !IsFirstSetupComplete() && IsSyncRequested();
 }
 
 void ProfileSyncService::UpdateLastSyncedTime() {