[background-sync] Remove WebSyncError and SyncCallbacks

third_party/WebKit/Source/modules/background_sync/SyncManager.cpp

 // 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 "modules/background_sync/SyncManager.h"
 
 #include "bindings/core/v8/CallbackPromiseAdapter.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromiseResolver.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/dom/DOMException.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "modules/background_sync/BackgroundSyncProvider.h"
-#include "modules/background_sync/SyncCallbacks.h"
 #include "modules/serviceworkers/ServiceWorkerRegistration.h"
 #include "public/platform/Platform.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/ThreadSpecific.h"
 
 namespace blink {
 
 // static
 BackgroundSyncProvider* SyncManager::backgroundSyncProvider() {
   DEFINE_THREAD_SAFE_STATIC_LOCAL(ThreadSpecific<BackgroundSyncProvider>,
@@ skipping 21 matching lines @@
   ScriptPromise promise = resolver->promise();
 
   mojom::blink::SyncRegistrationPtr syncRegistration =
       mojom::blink::SyncRegistration::New();
   syncRegistration->id = SyncManager::kUnregisteredSyncID;
   syncRegistration->tag = tag;
   syncRegistration->network_state =
       blink::mojom::BackgroundSyncNetworkState::ONLINE;
 
   backgroundSyncProvider()->registerBackgroundSync(
-      std::move(syncRegistration), m_registration->webRegistration(),
-      makeUnique<SyncRegistrationCallbacks>(resolver, m_registration));
+      std::move(syncRegistration), m_registration->webRegistration(), resolver);
 
   return promise;
 }
 
 ScriptPromise SyncManager::getTags(ScriptState* scriptState) {
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::create(scriptState);
   ScriptPromise promise = resolver->promise();
 
-  backgroundSyncProvider()->getRegistrations(
-      m_registration->webRegistration(),
-      makeUnique<SyncGetRegistrationsCallbacks>(resolver, m_registration));
+  backgroundSyncProvider()->getRegistrations(m_registration->webRegistration(),
+                                             resolver);
 
   return promise;
 }
 
 DEFINE_TRACE(SyncManager) {
   visitor->trace(m_registration);
 }
 
 }  // namespace blink