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

content/public/browser/push_messaging_service.cc

 // Copyright 2015 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 "content/public/browser/push_messaging_service.h"
 
 #include "base/callback.h"
 #include "content/browser/push_messaging/push_messaging_message_filter.h"
 #include "content/browser/service_worker/service_worker_context_wrapper.h"
 #include "content/public/browser/browser_context.h"
@@ skipping 72 matching lines @@
     BrowserContext* browser_context, const GURL& origin) {
   StoragePartition* partition =
       BrowserContext::GetStoragePartitionForSite(browser_context, origin);
   return make_scoped_refptr(
       static_cast<ServiceWorkerContextWrapper*>(
           partition->GetServiceWorkerContext()));
 }
 
 }  // anonymous namespace
 
+bool PushMessagingService::SupportNonVisibleMessages() {
+  return false;
+}
+
 // static
 void PushMessagingService::GetNotificationsShownByLastFewPushes(
     ServiceWorkerContext* service_worker_context,
     int64 service_worker_registration_id,
     const StringCallback& callback) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   scoped_refptr<ServiceWorkerContextWrapper> wrapper =
       static_cast<ServiceWorkerContextWrapper*>(service_worker_context);
   BrowserThread::PostTask(BrowserThread::IO, FROM_HERE,
                           base::Bind(&GetUserDataOnIO,
@@ skipping 48 matching lines @@
   BrowserThread::PostTask(
       BrowserThread::IO,
       FROM_HERE,
       base::Bind(&ClearPushRegistrationIDOnIO,
                  GetServiceWorkerContext(browser_context, origin),
                  service_worker_registration_id,
                  callback));
 }
 
 }  // namespace content