Step two of optionally sending messages to/from message ports as base::Value.

content/browser/navigator_connect/navigator_connect_dispatcher_host.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_BROWSER_NAVIGATOR_CONNECT_NAVIGATOR_CONNECT_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_NAVIGATOR_CONNECT_NAVIGATOR_CONNECT_DISPATCHER_HOST_H_
 
 #include "content/public/browser/browser_message_filter.h"
 
 class GURL;
 
 namespace content {
 
 class MessagePortMessageFilter;
+class NavigatorConnectContextImpl;
 struct NavigatorConnectClient;
-class NavigatorConnectContextImpl;
+struct TransferredMessagePort;
 
 // Receives navigator.connect connection attempts from a child process.
 // Attempts to find a service that serves the URL the connection is made to
 // and sets up the actual connection.
 // Constructed on the UI thread, but all other methods are called on the IO
 // thread. Typically there is one instance of this class for each renderer
 // process, and this class lives at least as long as the renderer process is
 // alive (since this class is refcounted it could outlive the renderer process
 // if it is still handling a connection attempt).
 class NavigatorConnectDispatcherHost : public BrowserMessageFilter {
@@ skipping 11 matching lines @@
 
   // IPC Message handlers.
   void OnConnect(int thread_id,
                  int request_id,
                  const NavigatorConnectClient& client);
 
   // Callback called when the service worker finished handling the cross origin
   // connection event.
   void OnConnectResult(int thread_id,
                        int request_id,
-                       int message_port_id,
+                       const TransferredMessagePort& message_port,
                        int message_port_route_id,
                        bool accept_connection);
 
   scoped_refptr<NavigatorConnectContextImpl> navigator_connect_context_;
   MessagePortMessageFilter* const message_port_message_filter_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigatorConnectDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_NAVIGATOR_CONNECT_NAVIGATOR_CONNECT_DISPATCHER_HOST_H_