Allow default desktop content settings to be managed via policy

chrome/browser/notifications/desktop_notification_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 75 matching lines @@
   // Creates a data:xxxx URL which contains the full HTML for a notification
   // using resource template which contains the standard formatting for
   // notifications.
   static string16 CreateDataUrl(int resource,
                                 const std::vector<std::string>& subst);
 
   // The default content setting determines how to handle origins that haven't
   // been allowed or denied yet.
   ContentSetting GetDefaultContentSetting();
   void SetDefaultContentSetting(ContentSetting setting);
+  bool IsDefaultContentSettingManaged() const;
 
   // NOTE: This should only be called on the UI thread.
   void ResetToDefaultContentSetting();
 
   // Returns all origins that explicitly have been allowed.
   std::vector<GURL> GetAllowedOrigins();
 
   // Returns all origins that explicitly have been denied.
   std::vector<GURL> GetBlockedOrigins();
 
@@ skipping 42 matching lines @@
   // UI for desktop toasts.
   NotificationUIManager* ui_manager_;
 
   PrefChangeRegistrar prefs_registrar_;
   NotificationRegistrar notification_registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_