[MD Settings] Add a menu option to clear a cached credit card.

chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.cc

 // Copyright 2015 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 "chrome/browser/ui/webui/settings/md_settings_localized_strings_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 670 matching lines @@
       {"autofill", IDS_SETTINGS_AUTOFILL},
       {"googlePayments", IDS_SETTINGS_GOOGLE_PAYMENTS},
       {"addresses", IDS_SETTINGS_AUTOFILL_ADDRESSES_HEADING},
       {"addAddress", IDS_SETTINGS_AUTOFILL_ADD_ADDRESS_BUTTON},
       {"editAddress", IDS_SETTINGS_ADDRESS_EDIT},
       {"removeAddress", IDS_SETTINGS_ADDRESS_REMOVE},
       {"creditCards", IDS_SETTINGS_AUTOFILL_CREDIT_CARD_HEADING},
       {"addCreditCard", IDS_SETTINGS_AUTOFILL_ADD_CREDIT_CARD_BUTTON},
       {"editCreditCard", IDS_SETTINGS_CREDIT_CARD_EDIT},
       {"removeCreditCard", IDS_SETTINGS_CREDIT_CARD_REMOVE},
+      {"clearCreditCard", IDS_SETTINGS_CREDIT_CARD_CLEAR},
       {"creditCardType", IDS_SETTINGS_AUTOFILL_CREDIT_CARD_TYPE_COLUMN_LABEL},
       {"creditCardExpiration", IDS_SETTINGS_CREDIT_CARD_EXPIRATION_DATE},
       {"creditCardName", IDS_SETTINGS_NAME_ON_CREDIT_CARD},
       {"creditCardNumber", IDS_SETTINGS_CREDIT_CARD_NUMBER},
       {"creditCardExpirationMonth", IDS_SETTINGS_CREDIT_CARD_EXPIRATION_MONTH},
       {"creditCardExpirationYear", IDS_SETTINGS_CREDIT_CARD_EXPIRATION_YEAR},
       {"editCreditCardTitle", IDS_SETTINGS_EDIT_CREDIT_CARD_TITLE},
       {"addCreditCardTitle", IDS_SETTINGS_ADD_CREDIT_CARD_TITLE},
       {"autofillDetail", IDS_SETTINGS_AUTOFILL_DETAIL},
       {"passwords", IDS_SETTINGS_PASSWORDS},
@@ skipping 489 matching lines @@
 #endif
   AddUsersStrings(html_source);
   AddWebContentStrings(html_source);
 
   policy_indicator::AddLocalizedStrings(html_source);
 
   html_source->SetJsonPath(kLocalizedStringsFile);
 }
 
 }  // namespace settings