service worker: Add promise boilerplate for NavigationPreload enable/disable

third_party/WebKit/Source/modules/serviceworkers/ServiceWorkerRegistration.cpp

 // 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.
 
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
@@ skipping 58 matching lines @@
   }
 
   ServiceWorkerRegistration* newRegistration =
       new ServiceWorkerRegistration(executionContext, std::move(handle));
   newRegistration->suspendIfNeeded();
   return newRegistration;
 }
 
 NavigationPreloadManager* ServiceWorkerRegistration::navigationPreload() {
   if (!m_navigationPreload)
-    m_navigationPreload = NavigationPreloadManager::create();
+    m_navigationPreload = NavigationPreloadManager::create(this);
   return m_navigationPreload;
 }
 
 String ServiceWorkerRegistration::scope() const {
   return m_handle->registration()->scope().string();
 }
 
 ScriptPromise ServiceWorkerRegistration::update(ScriptState* scriptState) {
   ServiceWorkerContainerClient* client =
       ServiceWorkerContainerClient::from(getExecutionContext());
@@ skipping 65 matching lines @@
 }
 
 void ServiceWorkerRegistration::contextDestroyed() {
   if (m_stopped)
     return;
   m_stopped = true;
   m_handle->registration()->proxyStopped();
 }
 
 }  // namespace blink