Reland of ServiceWorker: Implement StartWorker by using mojo

content/renderer/service_worker/embedded_worker_instance_client_impl.cc

+// Copyright (c) 2016 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/embedded_worker_instance_client_impl.h"
+
+#include <memory>
+
+#include "base/strings/utf_string_conversions.h"
+#include "content/child/scoped_child_process_reference.h"
+#include "content/common/service_worker/embedded_worker_messages.h"
+#include "content/public/common/content_client.h"
+#include "content/renderer/service_worker/embedded_worker_devtools_agent.h"
+#include "content/renderer/service_worker/service_worker_context_client.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+#include "third_party/WebKit/public/web/WebEmbeddedWorker.h"
+#include "third_party/WebKit/public/web/WebEmbeddedWorkerStartData.h"
+
+namespace content {
+
+namespace {
+
+void OnError() {
+  // TODO(shimazu): Implement here
+  NOTIMPLEMENTED();
+}
+
+}  // namespace
+
+// static
+void EmbeddedWorkerInstanceClientImpl::Create(
+    EmbeddedWorkerDispatcher* dispatcher,
+    mojo::InterfaceRequest<mojom::EmbeddedWorkerInstanceClient> request) {
+  auto binding = mojo::MakeStrongBinding(
+      base::MakeUnique<EmbeddedWorkerInstanceClientImpl>(dispatcher),
+      std::move(request));
+  binding->set_connection_error_handler(base::Bind(&OnError));
+}
+
+void EmbeddedWorkerInstanceClientImpl::StartWorker(
+    const EmbeddedWorkerStartParams& params) {
+  TRACE_EVENT0("ServiceWorker",
+               "EmbeddedWorkerInstanceClientImpl::StartWorker");
+
+  std::unique_ptr<EmbeddedWorkerDispatcher::WorkerWrapper> wrapper =
+      dispatcher_->StartWorkerContext(
+          params,
+          base::MakeUnique<ServiceWorkerContextClient>(
+              params.embedded_worker_id, params.service_worker_version_id,
+              params.scope, params.script_url,
+              params.worker_devtools_agent_route_id));
+  wrapper_ = wrapper.get();
+  dispatcher_->RegisterWorker(params.embedded_worker_id, std::move(wrapper));
+}
+
+EmbeddedWorkerInstanceClientImpl::EmbeddedWorkerInstanceClientImpl(
+    EmbeddedWorkerDispatcher* dispatcher)
+    : dispatcher_(dispatcher) {}
+
+EmbeddedWorkerInstanceClientImpl::~EmbeddedWorkerInstanceClientImpl() {}
+
+}  // namespace content