Fixes the context menu for a notification.

ash/system/web_notification/web_notification_tray.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 "ash/system/web_notification/web_notification_tray.h"
 
 #include "ash/ash_switches.h"
 #include "ash/root_window_controller.h"
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_layout_manager_observer.h"
@@ skipping 509 matching lines @@
 
 bool WebNotificationTray::ShowNotifierSettings() {
   if (message_center_bubble()) {
     static_cast<message_center::MessageCenterBubble*>(
         message_center_bubble()->bubble())->SetSettingsVisible();
     return true;
   }
   return ShowMessageCenterInternal(true /* show_settings */);
 }
 
+bool WebNotificationTray::IsContextMenuEnabled() const {
+  user::LoginStatus login_status = status_area_widget()->login_status();
+  return login_status != user::LOGGED_IN_NONE
+      && login_status != user::LOGGED_IN_LOCKED;
+}
+
 message_center::MessageCenterTray* WebNotificationTray::GetMessageCenterTray() {
   return message_center_tray_.get();
 }
 
 bool WebNotificationTray::IsCommandIdChecked(int command_id) const {
   if (command_id != kToggleQuietMode)
     return false;
   return message_center()->IsQuietMode();
 }
 
@@ skipping 75 matching lines @@
 
 message_center::MessageCenterBubble*
 WebNotificationTray::GetMessageCenterBubbleForTest() {
   if (!message_center_bubble())
     return NULL;
   return static_cast<message_center::MessageCenterBubble*>(
       message_center_bubble()->bubble());
 }
 
 }  // namespace ash