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

webrtc/api/jsepicecandidate.h

 /*
  *  Copyright 2012 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.
  */
 
@@ skipping 25 matching lines @@
   void SetCandidate(const cricket::Candidate& candidate) {
     candidate_ = candidate;
   }
 
   virtual std::string sdp_mid() const { return sdp_mid_; }
   virtual int sdp_mline_index() const { return sdp_mline_index_; }
   virtual const cricket::Candidate& candidate() const {
     return candidate_;
   }
 
+  virtual std::string server_url() const { return candidate_.url(); }
+
   virtual bool ToString(std::string* out) const;
 
  private:
   std::string sdp_mid_;
   int sdp_mline_index_;
   cricket::Candidate candidate_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(JsepIceCandidate);
 };
 
@@ skipping 26 matching lines @@
 
  private:
   std::vector<JsepIceCandidate*> candidates_;
 
   RTC_DISALLOW_COPY_AND_ASSIGN(JsepCandidateCollection);
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_API_JSEPICECANDIDATE_H_