Migrating host preferences, runtime, and gestures to chromium from internal.

remoting/client/ios/host_preferences_persistence.h

+// Copyright 2017 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 REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_
+#define REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_
+
+#import <CoreData/CoreData.h>
+
+// Methods used to store and recall Host Prefrences on the keychain.
+// Used to cache data for quicker connection to previously fetched host data.
+namespace remoting {
+namespace ios {
+
+NSError* WriteHostPreferencesToKeychain(NSData* data);
+NSData* ReadHostPreferencesFromKeychain();
+
+}  // namespace ios
+}  // namespace remoting
+
+#endif  // REMOTING_CLIENT_IOS_HOST_PREFERENCES_PERSISTENCE_H_