Allow closing IndexedDB database before deleting

content/browser/indexed_db/indexed_db_database.h

 // Copyright (c) 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_INDEXED_DB_INDEXED_DB_DATABASE_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 61 matching lines @@
   void SetObjectStoreName(int64_t object_store_id, const base::string16& name);
   void AddIndex(int64_t object_store_id,
                 const IndexedDBIndexMetadata& metadata,
                 int64_t new_max_index_id);
   void RemoveIndex(int64_t object_store_id, int64_t index_id);
   void SetIndexName(int64_t object_store_id,
                     int64_t index_id,
                     const base::string16& name);
 
   void OpenConnection(std::unique_ptr<IndexedDBPendingConnection> connection);
-  void DeleteDatabase(scoped_refptr<IndexedDBCallbacks> callbacks);
+  void DeleteDatabase(scoped_refptr<IndexedDBCallbacks> callbacks,
+                      bool force_close);
   const IndexedDBDatabaseMetadata& metadata() const { return metadata_; }
 
   void CreateObjectStore(IndexedDBTransaction* transaction,
                          int64_t object_store_id,
                          const base::string16& name,
                          const IndexedDBKeyPath& key_path,
                          bool auto_increment);
   void DeleteObjectStore(IndexedDBTransaction* transaction,
                          int64_t object_store_id);
   void RenameObjectStore(IndexedDBTransaction* transaction,
@@ skipping 251 matching lines @@
   // is executing. It prevents rentrant calls if the active request completes
   // synchronously.
   bool processing_pending_requests_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(IndexedDBDatabase);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_DATABASE_H_