Create an autofill Suggestion class

components/autofill/core/browser/autofill_sync_constants.h

Index: components/autofill/core/browser/autofill_sync_constants.h
diff --git a/components/autofill/core/browser/autofill_sync_constants.h b/components/autofill/core/browser/autofill_sync_constants.h
new file mode 100644
index 0000000000000000000000000000000000000000..92aee93db505f6c4f68557bf685f1714997b4155
--- /dev/null
+++ b/components/autofill/core/browser/autofill_sync_constants.h
@@ -0,0 +1,19 @@
+// 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.
+
+namespace autofill {
+
+// These string constants are sent down from Wallet and synced cards and stored
+// in the database for these masked credit cards records.
+extern const char kSyncCardTypeAmex[];
+extern const char kSyncCardTypeDiscover[];
+extern const char kSyncCardTypeJCB[];
+extern const char kSyncCardTypeMaestro[];
+extern const char kSyncCardTypeMasterCard[];
+extern const char kSyncCardTypeSolo[];
+extern const char kSyncCardTypeSwitch[];
+extern const char kSyncCardTypeUnknown[];
+extern const char kSyncCardTypeVisa[];
+
+}  // namespace autofill