Destroy a Connection if a CreatePermission request fails.

webrtc/p2p/base/turnport.cc

Index: webrtc/p2p/base/turnport.cc
diff --git a/webrtc/p2p/base/turnport.cc b/webrtc/p2p/base/turnport.cc
index 3fdcac5f31b5804d094d8fe6e8a5891f7a8dd94e..fa2a0536786d81b5d450d5db128862331f8f1a8f 100644
--- a/webrtc/p2p/base/turnport.cc
+++ b/webrtc/p2p/base/turnport.cc
@@ -918,6 +918,17 @@ void TurnPort::OnConnectionDestroyed(Connection* conn) {
   DestroyEntry(conn->remote_candidate().address());
 }
 
+void TurnPort::OnCreatePermissionError(const rtc::SocketAddress address,
+                                       int code) {
+  Connection* c = GetConnection(address);
+  if (c) {
+    LOG_J(LS_ERROR, c) << "Received TURN CreatePermission error response, "
+                       << "code=" << code << "; killing connection.";
+    c->set_state(Connection::STATE_FAILED);
+    c->Destroy();

[pthatcher, 2015/11/24 17:56:47]

Why does this need to be friend class?

+  }
+}
+
 TurnAllocateRequest::TurnAllocateRequest(TurnPort* port)
     : StunRequest(new TurnMessage()),
       port_(port) {
@@ -1347,6 +1358,7 @@ void TurnEntry::OnCreatePermissionError(StunMessage* response, int code) {
   } else {
     // Send signal with error code.
     port_->SignalCreatePermissionResult(port_, ext_addr_, code);
+    port_->OnCreatePermissionError(ext_addr_, code);
   }
 }