Send port disconnect events when a frame is unloaded.

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"
@@ skipping 16 matching lines @@
     tab_handle_(tab_handle) {
   URLRequestContext* context = automation_->profile()->GetRequestContext();
   service_ = ExtensionMessageService::GetInstance(context);
   DCHECK(service_);
 }
 
 ExtensionPortContainer::~ExtensionPortContainer() {
   DCHECK_EQ(MessageLoop::current()->type(), MessageLoop::TYPE_UI);
 
   if (port_id_ != -1)
-    service_->CloseAutomationChannel(port_id_);
+    service_->CloseChannel(port_id_);
 }
 
 bool ExtensionPortContainer::PostResponseToExternalPort(
     const std::string& message) {
   return automation_->Send(
       new AutomationMsg_ForwardMessageToExternalHost(
           0, tab_handle_, message, ext::kAutomationOrigin,
           ext::kAutomationPortResponseTarget));
 }
 
@@ skipping 153 matching lines @@
     DCHECK(port);
     if (port)
       port->PostMessageFromExternalPort(data);
   } else {
     // We don't expect other messages here.
     NOTREACHED();
   }
 
   return true;
 }