Reapply r50859 with chromeos fixes.

chrome/browser/gtk/notifications/notification_options_menu_model.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 "app/l10n_util.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/gtk/notifications/notification_options_menu_model.h"
 #include "chrome/browser/notifications/balloon.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/profile.h"
@@ skipping 46 matching lines @@
 }
 
 int NotificationOptionsMenuModel::GetGroupIdAt(int index) const {
   return 0;
 }
 
 bool NotificationOptionsMenuModel::GetIconAt(int index, SkBitmap* icon) const {
   return false;
 }
 
+menus::ButtonMenuItemModel* NotificationOptionsMenuModel::GetButtonMenuItemAt(
+    int index) const {
+  return NULL;
+}
+
 bool NotificationOptionsMenuModel::IsEnabledAt(int index) const {
   return true;
 }
 
 MenuModel* NotificationOptionsMenuModel::GetSubmenuModelAt(int index) const {
   return NULL;
 }
 
 void NotificationOptionsMenuModel::HighlightChangedTo(int index) {
 }
 
 void NotificationOptionsMenuModel::ActivatedAt(int index) {
   DCHECK_EQ(0, index);
 
   DesktopNotificationService* service =
       balloon_->profile()->GetDesktopNotificationService();
 
   service->DenyPermission(balloon_->notification().origin_url());
 }