Move webkit/{browser,common}/dom_storage into content/

content/browser/dom_storage/dom_storage_database_adapter.h

+// Copyright (c) 2012 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_