Replace StreamListenSocket with StreamSocket in HttpServer.

mojo/spy/websocket_server.h

Index: mojo/spy/websocket_server.h
diff --git a/mojo/spy/websocket_server.h b/mojo/spy/websocket_server.h
index 84830b8b8dad3f21499952e610fa05df5dc235d6..5cc14607f509722d4b14a964900fadbd57bd20d0 100644
--- a/mojo/spy/websocket_server.h
+++ b/mojo/spy/websocket_server.h
@@ -35,7 +35,7 @@ class WebSocketServer : public net::HttpServer::Delegate {
  private:
   int port_;
   int connection_id_;
-  scoped_refptr<net::HttpServer> server_;
+  scoped_ptr<net::HttpServer> server_;
   DISALLOW_COPY_AND_ASSIGN(WebSocketServer);
 };