Card unmasking without form filling

components/autofill/core/browser/autofill_external_delegate.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/autofill/core/browser/autofill_external_delegate.h"
 
 #include <stddef.h>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 231 matching lines @@
 base::WeakPtr<AutofillExternalDelegate> AutofillExternalDelegate::GetWeakPtr() {
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 void AutofillExternalDelegate::OnCreditCardScanned(
     const base::string16& card_number,
     int expiration_month,
     int expiration_year) {
   manager_->FillCreditCardForm(
       query_id_, query_form_, query_field_,
-      CreditCard(card_number, expiration_month, expiration_year));
+      CreditCard(card_number, expiration_month, expiration_year),
+      base::string16());
 }
 
 void AutofillExternalDelegate::FillAutofillFormData(int unique_id,
                                                     bool is_preview) {
   // If the selected element is a warning we don't want to do anything.
   if (unique_id == POPUP_ITEM_ID_WARNING_MESSAGE)
     return;
 
   AutofillDriver::RendererFormDataAction renderer_action = is_preview ?
       AutofillDriver::FORM_DATA_ACTION_PREVIEW :
@@ skipping 76 matching lines @@
   suggestions->insert(suggestions->begin(), data_list_values_.size(),
                       Suggestion());
   for (size_t i = 0; i < data_list_values_.size(); i++) {
     (*suggestions)[i].value = data_list_values_[i];
     (*suggestions)[i].label = data_list_labels_[i];
     (*suggestions)[i].frontend_id = POPUP_ITEM_ID_DATALIST_ENTRY;
   }
 }
 
 }  // namespace autofill