Fix menu for 'disable extension'.

ui/message_center/views/message_view.cc

 // Copyright (c) 2012 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 "ui/message_center/views/message_view.h"
 
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/models/simple_menu_model.h"
@@ skipping 197 matching lines @@
 };
 
 MenuModel::MenuModel(message_center::NotificationChangeObserver* observer,
                      const std::string& notification_id,
                      const string16& display_source,
                      const std::string& extension_id)
     : ALLOW_THIS_IN_INITIALIZER_LIST(ui::SimpleMenuModel(this)),
       observer_(observer),
       notification_id_(notification_id) {
   // Add 'disable notifications' menu item.
-  if (!extension_id.empty()) {
+  if (!extension_id.empty() && !display_source.empty()) {
     AddItem(kToggleExtensionCommand,
-            l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_EXTENSIONS_DISABLE));
+            l10n_util::GetStringFUTF16(IDS_MESSAGE_CENTER_EXTENSIONS_DISABLE,
+                                       display_source));
   } else if (!display_source.empty()) {
     AddItem(kTogglePermissionCommand,
             l10n_util::GetStringFUTF16(IDS_MESSAGE_CENTER_SITE_DISABLE,
                                        display_source));
   }
   // Add settings menu item.
   if (message_center::IsRichNotificationEnabled() || !display_source.empty()) {
     AddItem(kShowSettingsCommand,
             l10n_util::GetStringUTF16(IDS_MESSAGE_CENTER_SETTINGS));
   }
@@ skipping 145 matching lines @@
       gfx::Rect(screen_location, gfx::Size()),
       views::MenuItemView::TOPRIGHT,
       views::MenuRunner::HAS_MNEMONICS));
 }
 
 void MessageView::OnSlideOut() {
   observer_->OnRemoveNotification(notification_id_, true);  // By user.
 }
 
 }  // namespace message_center