Create an autofill Suggestion class

components/autofill/core/browser/autofill_sync_constants.cc

+// Copyright 2014 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_sync_constants.h"
+
+namespace autofill {
+
+const char kSyncCardTypeAmex[] = "AMEX";
+const char kSyncCardTypeDiscover[] = "DISCOVER";
+const char kSyncCardTypeJCB[] = "JCB";
+const char kSyncCardTypeMaestro[] = "MAESTRO";
+const char kSyncCardTypeMasterCard[] = "MASTER_CARD";
+const char kSyncCardTypeSolo[] = "SOLO";
+const char kSyncCardTypeSwitch[] = "SWITCH";
+const char kSyncCardTypeUnknown[] = "UNKNOWN";
+const char kSyncCardTypeVisa[] = "VISA";
+
+}  // namespace autofill