Use unique_ptr for Create{ServiceWorkerNetworkProvider,ApplicationCacheHost}

content/renderer/service_worker/service_worker_context_client.cc

Index: content/renderer/service_worker/service_worker_context_client.cc
diff --git a/content/renderer/service_worker/service_worker_context_client.cc b/content/renderer/service_worker/service_worker_context_client.cc
index b25f19517081fa60d9ebb16ab02c4043b55d56c7..430b6f5583043e62a6681d58d4ebb82e3840c75a 100644
--- a/content/renderer/service_worker/service_worker_context_client.cc
+++ b/content/renderer/service_worker/service_worker_context_client.cc
@@ -1063,7 +1063,7 @@ void ServiceWorkerContextClient::DidHandlePaymentRequestEvent(
   context_->payment_request_event_callbacks.erase(payment_request_id);
 }
 
-blink::WebServiceWorkerNetworkProvider*
+std::unique_ptr<blink::WebServiceWorkerNetworkProvider>
 ServiceWorkerContextClient::CreateServiceWorkerNetworkProvider() {
   DCHECK(main_thread_task_runner_->RunsTasksOnCurrentThread());
 
@@ -1081,7 +1081,8 @@ ServiceWorkerContextClient::CreateServiceWorkerNetworkProvider() {
                                       embedded_worker_id_);
 
   // Blink is responsible for deleting the returned object.
-  return new WebServiceWorkerNetworkProviderImpl(std::move(provider));
+  return base::MakeUnique<WebServiceWorkerNetworkProviderImpl>(
+      std::move(provider));
 }
 
 std::unique_ptr<blink::WebWorkerFetchContext>
@@ -1099,13 +1100,13 @@ ServiceWorkerContextClient::CreateServiceWorkerFetchContext() {
       worker_url_loader_factory_provider.PassInterface(), network_provider_id_);
 }
 
-blink::WebServiceWorkerProvider*
+std::unique_ptr<blink::WebServiceWorkerProvider>
 ServiceWorkerContextClient::CreateServiceWorkerProvider() {
   DCHECK(main_thread_task_runner_->RunsTasksOnCurrentThread());
   DCHECK(provider_context_);
 
   // Blink is responsible for deleting the returned object.
-  return new WebServiceWorkerProviderImpl(
+  return base::MakeUnique<WebServiceWorkerProviderImpl>(
       sender_.get(), provider_context_.get());
 }