Reject the permissionState promise with NotSupported Exception (2/3)

chrome/browser/push_messaging/push_messaging_service_impl.h

 // Copyright 2014 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_PUSH_MESSAGING_PUSH_MESSAGING_SERVICE_IMPL_H_
 #define CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_SERVICE_IMPL_H_
 
 #include <stdint.h>
 
 #include "base/callback.h"
@@ skipping 68 matching lines @@
       const content::PushMessagingService::RegisterCallback& callback) override;
   void Unregister(
       const GURL& requesting_origin,
       int64 service_worker_registration_id,
       const std::string& sender_id,
       const content::PushMessagingService::UnregisterCallback&) override;
   blink::WebPushPermissionStatus GetPermissionStatus(
       const GURL& requesting_origin,
       const GURL& embedding_origin,
       bool user_visible) override;
+  bool SupportNonVisibleMessages() override;
+
 
   // content_settings::Observer implementation.
   void OnContentSettingChanged(const ContentSettingsPattern& primary_pattern,
                                const ContentSettingsPattern& secondary_pattern,
                                ContentSettingsType content_type,
                                std::string resource_identifier) override;
 
   // KeyedService implementation.
   void Shutdown() override;
 
@@ skipping 71 matching lines @@
 #if defined(ENABLE_NOTIFICATIONS)
   PushMessagingNotificationManager notification_manager_;
 #endif
 
   base::WeakPtrFactory<PushMessagingServiceImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PushMessagingServiceImpl);
 };
 
 #endif  // CHROME_BROWSER_PUSH_MESSAGING_PUSH_MESSAGING_SERVICE_IMPL_H_