websocket-to-TCP proxy: observe value of listening port in right place.

chrome/browser/chromeos/web_socket_proxy_controller.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_CHROMEOS_WEB_SOCKET_PROXY_CONTROLLER_H_
 #define CHROME_BROWSER_CHROMEOS_WEB_SOCKET_PROXY_CONTROLLER_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 11 matching lines @@
     PLAIN_TCP    = 0,
     TLS_OVER_TCP = 1 << 0
   };
 
   // Can be called on any thread. Subsequent calls are cheap and do nothing.
   static void Initiate();
 
   // All methods can be called on any thread.
   static void Shutdown();
   static bool IsInitiated();
+  static int GetPort();  // Returns port listening websocket connections.
 
   static bool CheckCredentials(
       const std::string& extension_id,
       const std::string& hostname,
       unsigned short port,
       ConnectionFlags);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_WEB_SOCKET_PROXY_CONTROLLER_H_