File: dom_storage_database_adapter.h

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// Copyright 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_DOM_STORAGE_DOM_STORAGE_DATABASE_ADAPTER_H_
#define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_ADAPTER_H_

// Database interface used by DOMStorageArea. Abstracts the differences between
// the per-origin DOMStorageDatabases for localStorage and
// SessionStorageDatabase which stores multiple origins.

#include "content/common/content_export.h"
#include "content/common/dom_storage/dom_storage_types.h"

namespace content {

class CONTENT_EXPORT DOMStorageDatabaseAdapter {
 public:
  virtual ~DOMStorageDatabaseAdapter() {}
  virtual void ReadAllValues(DOMStorageValuesMap* result) = 0;
  virtual bool CommitChanges(
      bool clear_all_first, const DOMStorageValuesMap& changes) = 0;
  virtual void DeleteFiles() {}
  virtual void Reset() {}
};

}  // namespace content

#endif  // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_DATABASE_ADAPTER_H_