Destroy a Connection if a CreatePermission request fails.

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 01c45f26d8691303378766258c99cc7fefdde621..74b7931323447f5c7dab6263c9e3d3b7bc88aacc 100644
--- a/webrtc/p2p/base/port.h
+++ b/webrtc/p2p/base/port.h
@@ -625,20 +625,22 @@ class Connection : public rtc::MessageHandler,
   uint32_t time_created_ms_;
 
   friend class Port;
+  friend class TurnPort;
   friend class ConnectionRequest;
 };
 
-// ProxyConnection defers all the interesting work to the port
+// ProxyConnection defers all the interesting work to the port.
 class ProxyConnection : public Connection {
  public:
-  ProxyConnection(Port* port, size_t index, const Candidate& candidate);
+  ProxyConnection(Port* port, size_t index, const Candidate& remote_candidate);
 
-  virtual int Send(const void* data, size_t size,
-                   const rtc::PacketOptions& options);
-  virtual int GetError() { return error_; }
+  int Send(const void* data,
+           size_t size,
+           const rtc::PacketOptions& options) override;
+  int GetError() override { return error_; }
 
  private:
-  int error_;
+  int error_ = 0;
 };
 
 }  // namespace cricket