Add the URL attribute to cricket::Candiate. (Objc wrapper)

webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h

Index: webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h
diff --git a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h
index 9f472b8df057a432b389c1122a1368524c8200c1..7b80b9315ee11d791afbc81e24c9dd87386dfb31 100644
--- a/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h
+++ b/webrtc/sdk/objc/Framework/Headers/WebRTC/RTCIceCandidate.h
@@ -32,16 +32,26 @@ RTC_EXPORT
 /** The SDP string for this candidate. */
 @property(nonatomic, readonly) NSString *sdp;
 
+/** The URL of the ICE server which this candidate is gathered from. */
+@property(nonatomic, readonly) NSString *serverUrl;

[tkchin_webrtc, 2017/02/14 21:58:55]

nonatomic, readonly, nullable
unless there is always a server url now?

[Zhi Huang, 2017/02/15 00:22:49]

Done.

+
 - (instancetype)init NS_UNAVAILABLE;
 
 /**
- * Initialize an RTCIceCandidate from SDP.
+ * Deprecated. Use initWithSdpAndServerUrl instead.

[tkchin_webrtc, 2017/02/14 21:58:55]

Revert changes in this file other than the addition of the property

[Zhi Huang, 2017/02/15 00:22:49]

Done.

  */
 - (instancetype)initWithSdp:(NSString *)sdp
               sdpMLineIndex:(int)sdpMLineIndex
-                     sdpMid:(nullable NSString *)sdpMid
-    NS_DESIGNATED_INITIALIZER;
+                     sdpMid:(nullable NSString *)sdpMid;
 
+/**
+* Initialize an RTCIceCandidate with SDP and the URL of the ICE server.
+*/
+- (instancetype)initWithSdpAndServerUrl:(NSString *)sdp
+                          sdpMLineIndex:(int)sdpMLineIndex
+                                 sdpMid:(nullable NSString *)sdpMid
+                              serverUrl:(nullable NSString *)serverUrl
+    NS_DESIGNATED_INITIALIZER;
 @end
 
 NS_ASSUME_NONNULL_END