Add checkbox to card unmasking prompt

components/autofill/core/browser/personal_data_manager.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/personal_data_manager.h"
 
 #include <algorithm>
 #include <functional>
 #include <iterator>
 
@@ skipping 561 matching lines @@
   // Make the update.
   database_->UpdateCreditCard(credit_card);
 
   // Refresh our local cache and send notifications to observers.
   Refresh();
 }
 
 void PersonalDataManager::UpdateServerCreditCard(
     const CreditCard& credit_card) {
   DCHECK_NE(CreditCard::LOCAL_CARD, credit_card.record_type());
+  DCHECK(pref_service_->GetBoolean(prefs::kAutofillWalletImportStorageEnabled));
 
   if (is_off_the_record_ || !database_.get())
     return;
 
   // Look up by server id, not GUID.
   CreditCard* existing_credit_card = nullptr;
   for (auto it : server_credit_cards_) {
     if (credit_card.server_id() == it->server_id()) {
       existing_credit_card = it;
       break;
@@ skipping 630 matching lines @@
     profiles_.insert(
         profiles_.end(), auxiliary_profiles_.begin(),
         auxiliary_profiles_.end());
   }
   profiles_.insert(
       profiles_.end(), server_profiles_.begin(), server_profiles_.end());
   return profiles_;
 }
 
 }  // namespace autofill