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..b7609bc4597a7ea2a8246ce2933641106fa06d11 100644
--- a/webrtc/p2p/base/turnport.cc
+++ b/webrtc/p2p/base/turnport.cc
@@ -1347,6 +1347,12 @@ void TurnEntry::OnCreatePermissionError(StunMessage* response, int code) {
   } else {
     // Send signal with error code.
     port_->SignalCreatePermissionResult(port_, ext_addr_, code);
+    Connection* c = port_->GetConnection(ext_addr_);
+    if (c) {
+      LOG_J(LS_ERROR, c) << "Received TURN CreatePermission error response, "
+                         << "code=" << code << "; killing connection.";
+      c->FailAndDestroy();
+    }
   }
 }