BackgroundFetchRegistration.abort() should return a Promise.

third_party/WebKit/Source/modules/background_fetch/BackgroundFetchBridge.cpp

 // Copyright 2017 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/background_fetch/BackgroundFetchBridge.h"
 
 #include <utility>
 #include "modules/background_fetch/BackgroundFetchOptions.h"
 #include "modules/background_fetch/BackgroundFetchRegistration.h"
 #include "modules/background_fetch/IconDefinition.h"
@@ skipping 50 matching lines @@
 const char* BackgroundFetchBridge::supplementName() {
   return "BackgroundFetchBridge";
 }
 
 BackgroundFetchBridge::BackgroundFetchBridge(
     ServiceWorkerRegistration& registration)
     : Supplement<ServiceWorkerRegistration>(registration) {}
 
 BackgroundFetchBridge::~BackgroundFetchBridge() = default;
 
-void BackgroundFetchBridge::abort(const String& tag) {
+void BackgroundFetchBridge::abort(const String& tag,
+                                  std::unique_ptr<AbortCallback> callback) {
   getService()->Abort(supplementable()->webRegistration()->registrationId(),
-                      tag);
+                      tag, convertToBaseCallback(std::move(callback)));
 }
 
 void BackgroundFetchBridge::updateUI(
     const String& tag,
     const String& title,
     std::unique_ptr<UpdateUICallback> callback) {
   getService()->UpdateUI(supplementable()->webRegistration()->registrationId(),
                          tag, title,
                          convertToBaseCallback(std::move(callback)));
 }
@@ skipping 30 matching lines @@
 
 mojom::blink::BackgroundFetchServicePtr& BackgroundFetchBridge::getService() {
   if (!m_backgroundFetchService) {
     Platform::current()->interfaceProvider()->getInterface(
         mojo::MakeRequest(&m_backgroundFetchService));
   }
   return m_backgroundFetchService;
 }
 
 }  // namespace blink