Update iOS AppRTCDemo to use the updated Objective-C API.

webrtc/examples/objc/AppRTCDemo/ARDJoinResponse.m

 /*
  *  Copyright 2014 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #import "ARDJoinResponse+Internal.h"
 
 #import "ARDSignalingMessage.h"
 #import "ARDUtilities.h"
-#import "RTCICEServer+JSON.h"
+#import "RTCIceServer+JSON.h"
 
 static NSString const *kARDJoinResultKey = @"result";
 static NSString const *kARDJoinResultParamsKey = @"params";
 static NSString const *kARDJoinInitiatorKey = @"is_initiator";
 static NSString const *kARDJoinRoomIdKey = @"room_id";
 static NSString const *kARDJoinClientIdKey = @"client_id";
 static NSString const *kARDJoinMessagesKey = @"messages";
 static NSString const *kARDJoinWebSocketURLKey = @"wss_url";
 static NSString const *kARDJoinWebSocketRestURLKey = @"wss_post_url";
 
@@ skipping 47 matching lines @@
   ARDJoinResultType result = kARDJoinResultTypeUnknown;
   if ([resultString isEqualToString:@"SUCCESS"]) {
     result = kARDJoinResultTypeSuccess;
   } else if ([resultString isEqualToString:@"FULL"]) {
     result = kARDJoinResultTypeFull;
   }
   return result;
 }
 
 @end