Revert of Replace StreamListenSocket with StreamSocket in HttpServer.

mojo/spy/websocket_server.h

 // Copyright 2014 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 MOJO_SPY_WEBSOCKET_SERVER_H_
 #define MOJO_SPY_WEBSOCKET_SERVER_H_
 
 #include <string>
 
 #include "mojo/spy/common.h"
@@ skipping 48 matching lines @@
   virtual void OnMessage(spy_api::MessagePtr message) OVERRIDE;
 
   // Callbacks from calling spy_api::SpyServer.
   void OnStartSession(spy_api::Result, mojo::String);
 
   bool Connected() const;
 
  private:
   int port_;
   int connection_id_;
-  scoped_ptr<net::HttpServer> web_server_;
+  scoped_refptr<net::HttpServer> web_server_;
   spy_api::SpyServerPtr spy_server_;
 
   DISALLOW_COPY_AND_ASSIGN(WebSocketServer);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SPY_WEBSOCKET_SERVER_H_