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

chrome/browser/automation/extension_port_container.cc

 // 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.
 
 #include "chrome/browser/automation/extension_port_container.h"
 
 #include "base/logging.h"
 #include "base/json_reader.h"
 #include "base/json_writer.h"
 #include "base/values.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/browser/automation/automation_provider.h"
 #include "chrome/browser/automation/extension_automation_constants.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/extensions/extension_message_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/renderer_host/render_view_host.h"
 #include "chrome/test/automation/automation_messages.h"
 
 // TODO(siggi): Find a more structured way to read and write JSON messages.
 
 namespace ext = extension_automation_constants;
 
 ExtensionPortContainer::ExtensionPortContainer(AutomationProvider* automation,
                                                int tab_handle) :
     automation_(automation), service_(NULL), port_id_(-1),
     tab_handle_(tab_handle) {
-  URLRequestContext* context = automation_->profile()->GetRequestContext();
-  service_ = ExtensionMessageService::GetInstance(context);
+  service_ = automation_->profile()->GetExtensionMessageService();;
   DCHECK(service_);
 }
 
 ExtensionPortContainer::~ExtensionPortContainer() {
   DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
 
   if (port_id_ != -1)
     service_->CloseChannel(port_id_);
 }
 
@@ skipping 161 matching lines @@
     DCHECK(port);
     if (port)
       port->PostMessageFromExternalPort(data);
   } else {
     // We don't expect other messages here.
     NOTREACHED();
   }
 
   return true;
 }