Adding domain and facade supporting classes for remoting iOS app.

remoting/client/ios/domain/user_info.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_DOMAIN_USER_INFO_H_
+#define REMOTING_CLIENT_IOS_DOMAIN_USER_INFO_H_
+
+#import <Foundation/Foundation.h>
+
+// A detail record for a Remoting User.
+// TODO(nicholss): This is not the final object yet.
+@interface UserInfo : NSObject
+
+@property(nonatomic, copy) NSString* userId;
+@property(nonatomic, copy) NSString* userFullName;
+@property(nonatomic, copy) NSString* userEmail;
+
++ (User*)parseListFromJSON:(NSMutableData*)data;
+
+- (NSComparisonResult)compare:(UserInfo*)user;
+
+@end
+
+#endif  //  REMOTING_CLIENT_IOS_DOMAIN_USER_INFO_H_