Add the URL attribute to cricket::Candiate.

webrtc/p2p/base/port.h

Index: webrtc/p2p/base/port.h
diff --git a/webrtc/p2p/base/port.h b/webrtc/p2p/base/port.h
index 6cfbbd84c54fd0511281c8ffbe1f1c5dea149f43..aad09075b64b64ba6d1bf2eb292eda6c66518563 100644
--- a/webrtc/p2p/base/port.h
+++ b/webrtc/p2p/base/port.h
@@ -332,6 +332,7 @@ class Port : public PortInterface, public rtc::MessageHandler,
                   const std::string& type,
                   uint32_t type_preference,
                   uint32_t relay_preference,
+                  std::string url,

[Taylor Brandstetter, 2017/02/10 01:58:46]

nit: const ref parameter

[Zhi Huang, 2017/02/10 06:45:50]

Done.
I thought the "std::string url" is created locally so it might need to be copied
but I noticed that I was wrong.

                   bool final);
 
   // Adds the given connection to the map keyed by the remote candidate address.