fix sync login UI on reload

chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc

Index: chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
diff --git a/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc b/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
index d685dc8b8ef3b41673172688a493364f67953d17..c4dc04f9c5d4a119a8ecdec839edb633d41b2991 100644
--- a/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
+++ b/chrome/browser/ui/webui/sync_promo/sync_promo_handler.cc
@@ -209,6 +209,10 @@ void SyncPromoHandler::HandleCloseSyncPromo(const base::ListValue* args) {
 }
 
 void SyncPromoHandler::HandleInitializeSyncPromo(const base::ListValue* args) {
+  // If this is a page reload, then we have to inform the login service
+  // the old UI closed. If this is an initial load, this call will do nothing.
+  GetLoginUIService()->LoginUIClosed(this);
+
   // Open the sync wizard to the login screen.
   OpenSyncSetup(true);
   // We don't need to compute anything for this, just do this every time.