Migrate the IndexedDB backend from Blink to Chromium

content/browser/indexed_db/indexed_db_factory.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_FACTORY_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/string16.h"
+
+namespace content {
+
+class IndexedDBCallbacksWrapper;
+class IndexedDBDatabase;
+class IndexedDBDatabaseCallbacksWrapper;
+
+class IndexedDBFactory : public base::RefCounted<IndexedDBFactory> {
+ public:
+  static scoped_refptr<IndexedDBFactory> Create();
+
+  virtual void GetDatabaseNames(
+      scoped_refptr<IndexedDBCallbacksWrapper> callbacks,
+      const string16& database_identifier,
+      const string16& data_dir) = 0;
+  virtual void Open(
+      const string16& name,
+      int64 version,
+      int64 transaction_id,
+      scoped_refptr<IndexedDBCallbacksWrapper> callbacks,
+      scoped_refptr<IndexedDBDatabaseCallbacksWrapper> database_callbacks,
+      const string16& database_identifier,
+      const string16& data_dir) = 0;
+  virtual void DeleteDatabase(
+      const string16& name,
+      scoped_refptr<IndexedDBCallbacksWrapper> callbacks,
+      const string16& database_identifier,
+      const string16& data_dir) = 0;
+
+ protected:
+  virtual ~IndexedDBFactory() {}
+  friend class base::RefCounted<IndexedDBFactory>;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_FACTORY_H_