Implement special origin database handling for Isolated Apps

webkit/browser/fileapi/sandbox_isolated_origin_database.h

+// 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 WEBKIT_BROWSER_FILEAPI_SANDBOX_ISOLATED_ORIGIN_DATABASE_H_
+#define WEBKIT_BROWSER_FILEAPI_SANDBOX_ISOLATED_ORIGIN_DATABASE_H_
+
+#include "webkit/browser/fileapi/sandbox_origin_database_interface.h"
+
+namespace fileapi {
+
+class WEBKIT_STORAGE_EXPORT_PRIVATE SandboxIsolatedOriginDatabase
+    : public SandboxOriginDatabaseInterface {
+ public:
+  explicit SandboxIsolatedOriginDatabase(
+      const std::string& origin,
+      const base::FilePath& file_system_directory);
+  virtual ~SandboxIsolatedOriginDatabase();
+
+  // SandboxOriginDatabaseInterface overrides.
+  virtual bool HasOriginPath(const std::string& origin) OVERRIDE;
+  virtual bool GetPathForOrigin(const std::string& origin,
+                                base::FilePath* directory) OVERRIDE;
+  virtual bool RemovePathForOrigin(const std::string& origin) OVERRIDE;
+  virtual bool ListAllOrigins(std::vector<OriginRecord>* origins) OVERRIDE;
+  virtual void DropDatabase() OVERRIDE;
+
+ private:
+  void MigrateDatabaseIfNeeded();
+
+  bool migration_checked_;
+  const std::string origin_;
+  const base::FilePath file_system_directory_;
+
+  DISALLOW_COPY_AND_ASSIGN(SandboxIsolatedOriginDatabase);
+};
+
+}  // namespace fileapi
+
+#endif  // WEBKIT_BROWSER_FILEAPI_SANDBOX_ISOLATED_ORIGIN_DATABASE_H_