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

webrtc/examples/objc/AppRTCDemo/RTCICECandidate+JSON.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 "RTCICECandidate+JSON.h"
+#import "RTCIceCandidate+JSON.h"
 
-#import "RTCLogging.h"
+#import "webrtc/base/objc/RTCLogging.h"
 
 static NSString const *kRTCICECandidateTypeKey = @"type";
 static NSString const *kRTCICECandidateTypeValue = @"candidate";
 static NSString const *kRTCICECandidateMidKey = @"id";
 static NSString const *kRTCICECandidateMLineIndexKey = @"label";
 static NSString const *kRTCICECandidateSdpKey = @"candidate";
 
-@implementation RTCICECandidate (JSON)
+@implementation RTCIceCandidate (JSON)
 
-+ (RTCICECandidate *)candidateFromJSONDictionary:(NSDictionary *)dictionary {
++ (RTCIceCandidate *)candidateFromJSONDictionary:(NSDictionary *)dictionary {
   NSString *mid = dictionary[kRTCICECandidateMidKey];
   NSString *sdp = dictionary[kRTCICECandidateSdpKey];
   NSNumber *num = dictionary[kRTCICECandidateMLineIndexKey];
   NSInteger mLineIndex = [num integerValue];
-  return [[RTCICECandidate alloc] initWithMid:mid index:mLineIndex sdp:sdp];
+  return [[RTCIceCandidate alloc] initWithSdp:sdp
+                                sdpMLineIndex:mLineIndex
+                                       sdpMid:mid];
 }
 
 - (NSData *)JSONData {
   NSDictionary *json = @{
     kRTCICECandidateTypeKey : kRTCICECandidateTypeValue,
     kRTCICECandidateMLineIndexKey : @(self.sdpMLineIndex),
     kRTCICECandidateMidKey : self.sdpMid,
     kRTCICECandidateSdpKey : self.sdp
   };
   NSError *error = nil;
   NSData *data =
       [NSJSONSerialization dataWithJSONObject:json
                                       options:NSJSONWritingPrettyPrinted
                                         error:&error];
   if (error) {
     RTCLogError(@"Error serializing JSON: %@", error);
     return nil;
   }
   return data;
 }
 
 @end