Change extension unload notification to indicate updates....

chrome/browser/extensions/extension_infobar_delegate.cc

 // Copyright (c) 2010 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/extensions/extension_infobar_delegate.h"
 
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/common/extensions/extension.h"
 #include "chrome/common/notification_details.h"
 #include "chrome/common/notification_source.h"
 #include "chrome/common/notification_type.h"
 
 ExtensionInfoBarDelegate::ExtensionInfoBarDelegate(Browser* browser,
                                                    TabContents* tab_contents,
                                                    const Extension* extension,
                                                    const GURL& url)
     : InfoBarDelegate(tab_contents),
       observer_(NULL),
@@ skipping 53 matching lines @@
                                        const NotificationSource& source,
                                        const NotificationDetails& details) {
   switch (type.value) {
     case NotificationType::EXTENSION_HOST_VIEW_SHOULD_CLOSE: {
       const ExtensionHost* result = Details<ExtensionHost>(details).ptr();
       if (extension_host_.get() == result)
         tab_contents_->RemoveInfoBar(this);
       break;
     }
     case NotificationType::EXTENSION_UNLOADED: {
-      const Extension* extension = Details<const Extension>(details).ptr();
+      const Extension* extension =
+          Details<UnloadedExtensionInfo>(details)->extension;
       if (extension_ == extension)
         tab_contents_->RemoveInfoBar(this);
       break;
     }
     default: {
       NOTREACHED() << "Unknown message";
       break;
     }
   }
 }