Implement SharedWorkerServiceImpl::CreateWorker and SharedWorkerInstance and SharedWorkerHost

content/browser/shared_worker/shared_worker_host.h

+// Copyright 2014 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 CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_HOST_H_
+#define CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_HOST_H_
+
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+
+namespace content {
+class SharedWorkerMessageFilter;
+class SharedWorkerInstance;
+
+// The SharedWorkerHost is the interface that represents the browser side of
+// the browser <-> worker communication channel.
+class SharedWorkerHost {
+ public:
+  explicit SharedWorkerHost(SharedWorkerInstance* instance);
+  ~SharedWorkerHost();
+
+  // Starts the SharedWorker in the renderer process which is associated with
+  // |filter|.
+  void Init(SharedWorkerMessageFilter* filter);
+
+  SharedWorkerInstance* instance() { return instance_.get(); }
+  int worker_route_id() const { return worker_route_id_; }
+
+ private:
+  scoped_ptr<SharedWorkerInstance> instance_;
+  int worker_route_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(SharedWorkerHost);
+};
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_SHARED_WORKER_SHARED_WORKER_HOST_H_