Cease all future TURN requests when a TURN refresh request fails.

webrtc/p2p/base/stunrequest.h

Index: webrtc/p2p/base/stunrequest.h
diff --git a/webrtc/p2p/base/stunrequest.h b/webrtc/p2p/base/stunrequest.h
index 15ea0c73b734adeaa678a763a54982ae23e68f4d..df4f4a8aab3a097c6bf0e09432519f8276565097 100644
--- a/webrtc/p2p/base/stunrequest.h
+++ b/webrtc/p2p/base/stunrequest.h
@@ -32,8 +32,10 @@ class StunRequestManager {
   void Send(StunRequest* request);
   void SendDelayed(StunRequest* request, int delay);
 
-  // Sends all pending requests right away. Only for testing.
-  void Flush();
+  // If |msg_type| is 0, sends all pending requests right away.
+  // Otherwise, sends those that have a matching type right away.
+  // Only for testing.

[pthatcher1, 2016/01/05 00:10:03]

Can you make a named constant for 0, like kAllRequests?

[honghaiz3, 2016/01/05 04:47:39]

Done.

+  void Flush(int msg_type);
 
   // Removes a stun request that was added previously.  This will happen
   // automatically when a request succeeds, fails, or times out.