Moving the iOS directory to be remoting top level.

remoting/ios/host_preferences.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_H_
-#define REMOTING_CLIENT_IOS_HOST_PREFERENCES_H_
+#ifndef REMOTING_IOS_HOST_PREFERENCES_H_
+#define REMOTING_IOS_HOST_PREFERENCES_H_
 
 #import <CoreData/CoreData.h>
 
 // A HostPreferences contains details to negotiate and maintain a connection
 // to a remote Chromoting host.  This is an entity in a backing store.
 @interface HostPreferences : NSObject<NSCoding>
 
 // Properties supplied by the host server.
 @property(nonatomic, copy) NSString* hostId;
 @property(nonatomic, copy) NSString* pairId;
 @property(nonatomic, copy) NSString* pairSecret;
 
 // Commit this record using the Keychain for current identity.
 - (void)saveToKeychain;
 
 // Load a record from the Keychain for current identity.
 // If a record does not exist, return a new record with a blank secret.
 + (HostPreferences*)hostForId:(NSString*)hostId;
 
 @end
 
-#endif  // REMOTING_CLIENT_IOS_HOST_PREFERENCES_H_
+#endif  // REMOTING_IOS_HOST_PREFERENCES_H_