Revert "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/Source/Platform/chromium/public/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_