WIP - Chrome's libaddressinput storage implementation, step 2

chrome/browser/autofill/address_storage_factory.h

+// 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.
+
+#ifndef CHROME_BROWSER_AUTOFILL_ADDRESS_STORAGE_FACTORY_H_
+#define CHROME_BROWSER_AUTOFILL_ADDRESS_STORAGE_FACTORY_H_
+
+#include "base/basictypes.h"
+#include "base/lazy_instance.h"
+#include "base/memory/ref_counted.h"
+
+namespace i18n {
+namespace addressinput {
+class ChromeStorageImpl;
+}
+}
+
+class JsonPrefStore;
+class PersistentPrefStore;
+
+namespace autofill {
+
+// Creates ChromeStorageImpls, all of which are backed by a common pref store.
+class AddressStorageFactory {
+ public:
+  static ::i18n::addressinput::ChromeStorageImpl* CreateChromeStorage();
+
+ private:
+  friend struct base::DefaultLazyInstanceTraits<AddressStorageFactory>;
+
+  AddressStorageFactory();
+  ~AddressStorageFactory();
+
+  scoped_refptr<JsonPrefStore> json_pref_store_;
+
+  DISALLOW_COPY_AND_ASSIGN(AddressStorageFactory);
+};
+
+}  // namespace autofill
+
+#endif  // CHROME_BROWSER_AUTOFILL_ADDRESS_STORAGE_FACTORY_H_