Begin to enable extension APIs in Extension Service Worker.

extensions/renderer/service_worker_data.h

Index: extensions/renderer/service_worker_data.h
diff --git a/extensions/renderer/service_worker_data.h b/extensions/renderer/service_worker_data.h
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+++ b/extensions/renderer/service_worker_data.h
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+// Copyright 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.
+
+#ifndef EXTENSIONS_BROWSER_SERVICE_WORKER_DATA_H_
+#define EXTENSIONS_BROWSER_SERVICE_WORKER_DATA_H_
+
+#include <memory>
+
+#include "base/macros.h"
+#include "extensions/renderer/service_worker_request_sender.h"
+#include "extensions/renderer/v8_schema_registry.h"
+
+namespace extensions {
+class WorkerThreadDispatcher;
+
+// Per ServiceWorker data in worker thread.
+// Contains: RequestSender, V8SchemaRegistry.
+// TODO(lazyboy): Also put worker ScriptContexts in this.
+class ServiceWorkerData {
+ public:
+  ServiceWorkerData(WorkerThreadDispatcher* dispatcher, int embedded_worker_id);
+  ~ServiceWorkerData();
+
+  V8SchemaRegistry* v8_schema_registry() { return v8_schema_registry_.get(); }
+  RequestSender* request_sender() { return request_sender_.get(); }
+  int embedded_worker_id() const { return embedded_worker_id_; }
+
+ private:
+  const int embedded_worker_id_;
+
+  std::unique_ptr<V8SchemaRegistry> v8_schema_registry_;
+  std::unique_ptr<ServiceWorkerRequestSender> request_sender_;
+
+  DISALLOW_COPY_AND_ASSIGN(ServiceWorkerData);
+};
+
+}  // namespace extensions
+
+#endif  // EXTENSIONS_BROWSER_SERVICE_WORKER_DATA_H_