IDBObserver: Lifetime Management: Adding Observer

content/browser/indexed_db/indexed_db_observer.h

+// Copyright (c) 2013 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_INDEXED_DB_INDEXED_DB_OBSERVER_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_OBSERVER_H_
+
+#include <stdint.h>
+
+#include "base/macros.h"
+#include "content/browser/indexed_db/indexed_db_database.h"
+
+namespace content {
+
+class CONTENT_EXPORT IndexedDBObserver {
+ public:
+  IndexedDBObserver(int64_t);
+  ~IndexedDBObserver();
+
+  // TODO(palakj): Add other fields.
+  int32_t id() { return observer_id_; }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IndexedDBObserver);
+  int64_t observer_id_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_OBSERVER_H_