FileSystem: Prevent iterator from being deleted after database.

storage/browser/fileapi/sandbox_origin_database.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 STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
 #define STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 43 matching lines @@
     FAIL_ON_CORRUPTION,
   };
 
   enum InitOption {
     CREATE_IF_NONEXISTENT,
     FAIL_IF_NONEXISTENT,
   };
 
   bool Init(InitOption init_option, RecoveryOption recovery_option);
   bool RepairDatabase(const std::string& db_path);
+  // Close the database. Before this, all iterators associated with the database
+  // must be deleted.
   void HandleError(const tracked_objects::Location& from_here,
                    const leveldb::Status& status);
   void ReportInitStatus(const leveldb::Status& status);
   bool GetLastPathNumber(int* number);
 
   base::FilePath file_system_directory_;
   leveldb::Env* env_override_;
   scoped_ptr<leveldb::DB> db_;
   base::Time last_reported_time_;
   DISALLOW_COPY_AND_ASSIGN(SandboxOriginDatabase);
 };
 
 }  // namespace storage
 
 #endif  // STORAGE_BROWSER_FILEAPI_SANDBOX_ORIGIN_DATABASE_H_