Add database recovery for FileSystemOriginDatabase

webkit/fileapi/file_system_origin_database.h

 // Copyright (c) 2011 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_FILEAPI_FILE_SYSTEM_ORIGIN_DATABASE_H_
 #define WEBKIT_FILEAPI_FILE_SYSTEM_ORIGIN_DATABASE_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 34 matching lines @@
 
   // Also returns success if the origin is not found.
   bool RemovePathForOrigin(const std::string& origin);
 
   bool ListAllOrigins(std::vector<OriginRecord>* origins);
 
   // This will release all database resources in use; call it to save memory.
   void DropDatabase();
 
  private:
-  bool Init();
+  bool Init(bool cleanup_if_corrupted);
+  bool CheckIfDatabaseCorrupted(const leveldb::Status& status) const;
   void HandleError(const tracked_objects::Location& from_here,
                    leveldb::Status status);
   bool GetLastPathNumber(int* number);
 
   std::string path_;
   scoped_ptr<leveldb::DB> db_;
   DISALLOW_COPY_AND_ASSIGN(FileSystemOriginDatabase);
 };
 
 }  // namespace fileapi
 
 #endif  // WEBKIT_FILEAPI_FILE_SYSTEM_ORIGIN_DATABASE_H_