Convert WebIDBDatabaseImpl to IndexedDBConnection

content/browser/indexed_db/indexed_db_connection.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_CONNECTION_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_
+
+#include "base/memory/ref_counted.h"
+#include "content/browser/indexed_db/indexed_db_database.h"
+#include "content/browser/indexed_db/indexed_db_database_callbacks.h"
+
+namespace content {
+class IndexedDBCallbacks;
+class IndexedDBDatabaseError;
+
+class CONTENT_EXPORT IndexedDBConnection {
+ public:
+  IndexedDBConnection(scoped_refptr<IndexedDBDatabase> db,
+                      scoped_refptr<IndexedDBDatabaseCallbacks> callbacks);
+  virtual ~IndexedDBConnection();
+
+  virtual void ForceClose();
+  virtual void Close();
+
+  IndexedDBDatabase* database() { return database_; }
+  IndexedDBDatabaseCallbacks* callbacks() { return callbacks_; }
+
+ private:
+  // Only NULL in unit tests.
+  scoped_refptr<IndexedDBDatabase> database_;
+
+  // The callbacks_ member is cleared when the connection is closed.
+  // May be NULL in unit tests.
+  scoped_refptr<IndexedDBDatabaseCallbacks> callbacks_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CONNECTION_H_