Changed the extension.connect() API not to broadcast to all tabs. Added a

chrome/browser/automation/extension_port_container.h

 // Copyright (c) 2009 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_EXTENSION_PORT_CONTAINER_H_
 #define CHROME_BROWSER_EXTENSION_PORT_CONTAINER_H_
 
 #include <string>
 
 #include "base/basictypes.h"
+#include "base/ref_counted.h"
 #include "chrome/common/ipc_message.h"
 
 class AutomationProvider;
 class ExtensionMessageService;
 class ListValue;
 class MessageLoop;
 class RenderViewHost;
 
 // This class represents an external port to an extension, opened
 // through the automation interface.
@@ skipping 38 matching lines @@
   void SendConnectionResponse(int connection_id, int port_id);
 
   void OnExtensionMessageInvoke(const std::string& function_name,
                                 const ListValue& args);
   void OnExtensionHandleMessage(const std::string& message, int source_port_id);
 
   // Our automation provider.
   AutomationProvider* automation_;
 
   // The extension message service.
-  ExtensionMessageService* service_;
+  scoped_refptr<ExtensionMessageService> service_;
 
   // Our assigned port id.
   int port_id_;
   // Handle to our associated tab.
   int tab_handle_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPortContainer);
 };
 
 #endif  // CHROME_BROWSER_EXTENSION_PORT_CONTAINER_H_