[Payment Request] Contact Info editor

ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm

Index: ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm
diff --git a/ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm b/ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm
index 523bdb16cbe642f7ce72b56c4ba3844043cd69f0..14227ebbe04930071659ccace8214bada0d6b4d3 100644
--- a/ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm
+++ b/ios/chrome/browser/ui/payments/payment_request_edit_view_controller.mm
@@ -548,7 +548,10 @@ typedef NS_ENUM(NSInteger, ItemType) {
   if (field.fieldType == EditorFieldTypeSelector)
     [[_currentEditingCell textField] resignFirstResponder];
 
-  [_delegate paymentRequestEditViewController:self didSelectField:field];
+  if ([self.delegate respondsToSelector:@selector
+                     (paymentRequestEditViewController:didSelectField:)]) {
+    [_delegate paymentRequestEditViewController:self didSelectField:field];
+  }
 }
 
 #pragma mark MDCCollectionViewStylingDelegate