Make `content` target build without unused data members on Linux.

content/renderer/service_worker/service_worker_context_client.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/service_worker/service_worker_context_client.h"
 
 #include <utility>
 
 #include "base/lazy_instance.h"
 #include "base/logging.h"
@@ skipping 355 matching lines @@
   ServiceWorkerVersionAttributes version_attrs;
   provider_context_->GetAssociatedRegistration(&registration_info,
                                                &version_attrs);
   DCHECK_NE(registration_info.registration_id,
             kInvalidServiceWorkerRegistrationId);
 
   // Register Mojo services.
   context_->service_registry.ServiceRegistry::AddService(
       base::Bind(&ServicePortDispatcherImpl::Create,
                  context_->proxy_weak_factory.GetWeakPtr()));
-  context_->service_registry.ServiceRegistry::AddService(base::Bind(
-      &BackgroundSyncClientImpl::Create, registration_info.registration_id));
+  context_->service_registry.ServiceRegistry::AddService(
+      base::Bind(&BackgroundSyncClientImpl::Create));
 
   SetRegistrationInServiceWorkerGlobalScope(registration_info, version_attrs);
 
   Send(new EmbeddedWorkerHostMsg_WorkerThreadStarted(
       embedded_worker_id_, WorkerThread::GetCurrentId(),
       provider_context_->provider_id()));
 
   TRACE_EVENT_ASYNC_STEP_INTO0(
       "ServiceWorker",
       "ServiceWorkerContextClient::StartingWorkerContext",
@@ skipping 597 matching lines @@
 }
 
 base::WeakPtr<ServiceWorkerContextClient>
 ServiceWorkerContextClient::GetWeakPtr() {
   DCHECK(worker_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(context_);
   return context_->weak_factory.GetWeakPtr();
 }
 
 }  // namespace content