Add billing address identifier to WalletMaskedCard.

sync/protocol/proto_value_conversions.cc

Index: sync/protocol/proto_value_conversions.cc
diff --git a/sync/protocol/proto_value_conversions.cc b/sync/protocol/proto_value_conversions.cc
index 7d7c367e2581d7f67723508823adee7d574b8591..46ab0cc261211ec109f0f87f55f41279362d7a46 100644
--- a/sync/protocol/proto_value_conversions.cc
+++ b/sync/protocol/proto_value_conversions.cc
@@ -697,12 +697,14 @@ std::unique_ptr<base::DictionaryValue> WalletMaskedCreditCardToValue(
   SET_STR(last_four);
   SET_INT32(exp_month);
   SET_INT32(exp_year);
+  SET_STR(billing_address_id);
   return value;
 }
 
 std::unique_ptr<base::DictionaryValue> WalletPostalAddressToValue(
     const sync_pb::WalletPostalAddress& proto) {
   std::unique_ptr<base::DictionaryValue> value(new base::DictionaryValue());
+  SET_STR(id);
   SET_STR(recipient_name);
   SET_STR(company_name);
   SET_STR_REP(street_address);