Remove InterfaceRegistry/Provider from service workers

content/renderer/background_sync/background_sync_client_impl.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/renderer/background_sync/background_sync_client_impl.h"
-
-#include <utility>
-
-#include "base/time/time.h"
-#include "content/child/background_sync/background_sync_type_converters.h"
-#include "content/renderer/service_worker/service_worker_context_client.h"
-#include "mojo/public/cpp/bindings/strong_binding.h"
-#include "third_party/WebKit/public/platform/Platform.h"
-#include "third_party/WebKit/public/platform/WebThread.h"
-#include "third_party/WebKit/public/web/modules/serviceworker/WebServiceWorkerContextProxy.h"
-
-namespace content {
-
-// static
-void BackgroundSyncClientImpl::Create(
-    mojo::InterfaceRequest<blink::mojom::BackgroundSyncServiceClient> request) {
-  mojo::MakeStrongBinding(base::WrapUnique(new BackgroundSyncClientImpl),
-                          std::move(request));
-}
-
-BackgroundSyncClientImpl::~BackgroundSyncClientImpl() {}
-
-BackgroundSyncClientImpl::BackgroundSyncClientImpl() {}
-
-void BackgroundSyncClientImpl::Sync(
-    const std::string& tag,
-    blink::mojom::BackgroundSyncEventLastChance last_chance,
-    const SyncCallback& callback) {
-  DCHECK(!blink::Platform::current()->mainThread()->isCurrentThread());
-
-  ServiceWorkerContextClient* client =
-      ServiceWorkerContextClient::ThreadSpecificInstance();
-  if (!client) {
-    callback.Run(blink::mojom::ServiceWorkerEventStatus::ABORTED,
-                 base::Time::Now());
-    return;
-  }
-
-  blink::WebServiceWorkerContextProxy::LastChanceOption web_last_chance =
-      mojo::ConvertTo<blink::WebServiceWorkerContextProxy::LastChanceOption>(
-          last_chance);
-
-  client->DispatchSyncEvent(tag, web_last_chance, callback);
-}
-
-}  // namespace content