Refactor navigator.connect code to make it more flexible.

content/common/navigator_connect_types.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 CONTENT_COMMON_NAVIGATOR_CONNECT_TYPES_H_
-#define CONTENT_COMMON_NAVIGATOR_CONNECT_TYPES_H_
-
-#include "url/gurl.h"
-
-// This file is to have common definitions that are to be shared by
-// browser and child process.
-
-namespace content {
-
-struct CrossOriginServiceWorkerClient {
-  CrossOriginServiceWorkerClient();
-  CrossOriginServiceWorkerClient(const GURL& target_url,
-                                 const GURL& origin,
-                                 int message_port_id);
-  ~CrossOriginServiceWorkerClient();
-
-  GURL target_url;
-  GURL origin;
-  int message_port_id;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_NAVIGATOR_CONNECT_TYPES_H_