Fix broken threading model in CheckDesktopNotificationPermission

chrome/browser/notifications/desktop_notification_service.h

 // 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.
 
 #ifndef CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 #define CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 133 matching lines @@
   void GetNotificationsSettings(ContentSettingsForOneType* settings);
 
   // Clears the notifications setting for the given pattern.
   void ClearSetting(const ContentSettingsPattern& pattern);
 
   // Clears the sets of explicitly allowed and denied origins.
   void ResetAllOrigins();
 
   ContentSetting GetContentSetting(const GURL& origin);
 
-  // Checks to see if a given origin has permission to create desktop
-  // notifications.
-  blink::WebNotificationPresenter::Permission
-      HasPermission(const GURL& origin);
-
   // Returns true if the notifier with |notifier_id| is allowed to send
   // notifications.
   bool IsNotifierEnabled(const message_center::NotifierId& notifier_id);
 
   // Updates the availability of the notifier.
   void SetNotifierEnabled(const message_center::NotifierId& notifier_id,
                           bool enabled);
 
   // Adds in a the welcome notification if required for components built
   // into Chrome that show notifications like Chrome Now.
@@ skipping 63 matching lines @@
   // Registrar for the other kind of notifications (event signaling).
   content::NotificationRegistrar registrar_;
 
   // Welcome Notification
   scoped_ptr<WelcomeNotification> welcome_notification;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopNotificationService);
 };
 
 #endif  // CHROME_BROWSER_NOTIFICATIONS_DESKTOP_NOTIFICATION_SERVICE_H_