[Payment Request] Sever card summary section in the credit card edit form

ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h

Index: ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h
diff --git a/ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h b/ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h
index fab51946f0e00a5cb99514c12814e9b2a03fc2e8..b68be158969d3472fc959893c1924907a0340a63 100644
--- a/ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h
+++ b/ios/chrome/browser/payments/payment_request_edit_view_controller+internal.h
@@ -22,6 +22,10 @@ const NSInteger kItemTypeEnumStart = kItemTypeEnumZero + 100;
 // value on the field. Returns YES if all the fields are validated successfully.
 - (BOOL)validateForm;
 
+// Called before the editor field items are added to the the collection view
+// model. Subclasses override this method to add items before the editor fields.
+- (void)loadHeaderItems;
+
 // Called after the editor field items have been added to the the collection
 // view model. Subclasses override this method to add items after the editor
 // fields.