[Extensions] Remove source/opener tab id from extension ports

extensions/renderer/dispatcher.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 EXTENSIONS_RENDERER_DISPATCHER_H_
 #define EXTENSIONS_RENDERER_DISPATCHER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 147 matching lines @@
                            CannotScriptWebstore);
 
   // RenderThreadObserver implementation:
   bool OnControlMessageReceived(const IPC::Message& message) override;
   void IdleNotification() override;
   void OnRenderProcessShutdown() override;
 
   void OnActivateExtension(const std::string& extension_id);
   void OnCancelSuspend(const std::string& extension_id);
   void OnDeliverMessage(int target_port_id,
-                        int source_tab_id,
                         const Message& message);
   void OnDispatchOnConnect(int target_port_id,
                            const std::string& channel_name,
                            const ExtensionMsg_TabConnectionInfo& source,
                            const ExtensionMsg_ExternalConnectionInfo& info,
                            const std::string& tls_channel_id);
   void OnDispatchOnDisconnect(int port_id, const std::string& error_message);
   void OnLoaded(
       const std::vector<ExtensionMsg_Loaded_Params>& loaded_extensions);
   void OnMessageInvoke(const std::string& extension_id,
@@ skipping 120 matching lines @@
   // if this renderer is a WebView guest render process. Otherwise, this will be
   // empty.
   std::string webview_partition_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Dispatcher);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_DISPATCHER_H_