Migrate the IndexedDB backend from Blink to Chromium

content/browser/indexed_db/indexed_db_database_callbacks_wrapper.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_DATABASE_CALLBACKS_WRAPPER_H_
+#define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_CALLBACKS_WRAPPER_H_
+
+#include "base/basictypes.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/string16.h"
+#include "content/browser/indexed_db/indexed_db_database_error.h"
+#include "third_party/WebKit/public/platform/WebIDBDatabaseCallbacks.h"
+
+namespace content {
+
+class IndexedDBDatabaseCallbacksWrapper
+    : public base::RefCounted<IndexedDBDatabaseCallbacksWrapper> {
+ public:
+  static scoped_refptr<IndexedDBDatabaseCallbacksWrapper> Create(
+      WebKit::WebIDBDatabaseCallbacks* callbacks) {
+    return make_scoped_refptr(new IndexedDBDatabaseCallbacksWrapper(callbacks));
+  }
+
+  virtual void OnForcedClose();
+  virtual void OnVersionChange(int64 old_version, int64 new_version);
+
+  virtual void OnAbort(int64 transaction_id,
+                       scoped_refptr<IndexedDBDatabaseError> error);
+  virtual void OnComplete(int64 transaction_id);
+
+ private:
+  explicit IndexedDBDatabaseCallbacksWrapper(
+      WebKit::WebIDBDatabaseCallbacks* callbacks);
+  virtual ~IndexedDBDatabaseCallbacksWrapper();
+  friend class base::RefCounted<IndexedDBDatabaseCallbacksWrapper>;
+
+  scoped_ptr<WebKit::WebIDBDatabaseCallbacks> callbacks_;
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_CALLBACKS_WRAPPER_H_