[Extensions] Determine NativeMessaging ID solely on the browser process

chrome/browser/extensions/api/messaging/message_service.h

 // Copyright (c) 2012 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_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_
 #define CHROME_BROWSER_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 143 matching lines @@
                         int receiver_port_id,
                         int tab_id,
                         int frame_id,
                         const std::string& extension_id,
                         const std::string& channel_name);
 
   void OpenChannelToNativeApp(
       int source_process_id,
       int source_routing_id,
       int receiver_port_id,
-      const std::string& source_extension_id,
       const std::string& native_app_name);
 
   // Mark the given port as opened by the frame identified by
   // (process_id, routing_id).
   void OpenPort(int port_id, int process_id, int routing_id);
 
   // Closes the given port in the given frame. If this was the last frame or if
   // |force_close| is true, then the other side is closed as well.
   void ClosePort(int port_id, int process_id, int routing_id, bool force_close);
 
@@ skipping 141 matching lines @@
   LazyBackgroundTaskQueue* lazy_background_task_queue_;
 
   base::WeakPtrFactory<MessageService> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(MessageService);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_MESSAGING_MESSAGE_SERVICE_H_