Remove FOR_EACH_OBSERVER macro usage in chrome/browser/ui

chrome/browser/ui/webui/signin/login_ui_service.cc

Index: chrome/browser/ui/webui/signin/login_ui_service.cc
diff --git a/chrome/browser/ui/webui/signin/login_ui_service.cc b/chrome/browser/ui/webui/signin/login_ui_service.cc
index a413f6d839fc6c5af5baf0793cae154cab3af055..8fe5bf989ff93035c6a9e8ea74e075a56ab17419 100644
--- a/chrome/browser/ui/webui/signin/login_ui_service.cc
+++ b/chrome/browser/ui/webui/signin/login_ui_service.cc
@@ -48,10 +48,8 @@ void LoginUIService::LoginUIClosed(LoginUI* ui) {
 
 void LoginUIService::SyncConfirmationUIClosed(
     SyncConfirmationUIClosedResult result) {
-  FOR_EACH_OBSERVER(
-      Observer,
-      observer_list_,
-      OnSyncConfirmationUIClosed(result));
+  for (Observer& observer : observer_list_)
+    observer.OnSyncConfirmationUIClosed(result);
 }
 
 void LoginUIService::ShowLoginPopup() {