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/memory/ref_counted.h"
+#include "base/string16.h"
+
+namespace content {
+
+class IndexedDBCallbacksWrapper;
+class IndexedDBDatabase;
+class IndexedDBDatabaseCallbacksWrapper;
+
+typedef int ExceptionCode;

[jamesr, 2013/05/22 18:59:44]

This seems like at least the third time I've seen this typedef in this patch. Is
it even used?

[jsbell, 2013/05/22 22:21:14]

Removed. Also removed some class forward declarations that weren't used.

+
+class IndexedDBFactory : public base::RefCounted<IndexedDBFactory> {
+ public:
+  static scoped_refptr<IndexedDBFactory> Create();
+
+  virtual void GetDatabaseNames(scoped_refptr<IndexedDBCallbacksWrapper>,
+                                const string16& database_identifier,
+                                const string16& data_dir) = 0;
+  virtual void Open(const string16& name,
+                    int64_t version,
+                    int64_t transaction_id,
+                    scoped_refptr<IndexedDBCallbacksWrapper>,
+                    scoped_refptr<IndexedDBDatabaseCallbacksWrapper>,
+                    const string16& database_identifier,
+                    const string16& data_dir) = 0;
+  virtual void DeleteDatabase(const string16& name,
+                              scoped_refptr<IndexedDBCallbacksWrapper>,
+                              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_