Align IndexedDB metadata rollback on transaction abort to spec.

third_party/WebKit/Source/modules/indexeddb/IDBObjectStore.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 79 matching lines @@
     IDBRequest* count(ScriptState*, const ScriptValue& range, ExceptionState&);
 
     // Used by IDBCursor::update():
     IDBRequest* put(ScriptState*, WebIDBPutMode, IDBAny* source, const ScriptValue&, IDBKey*, ExceptionState&);
 
     // Used internally and by InspectorIndexedDBAgent:
     IDBRequest* openCursor(ScriptState*, IDBKeyRange*, WebIDBCursorDirection, WebIDBTaskType = WebIDBTaskTypeNormal);
 
     void markDeleted() { m_deleted = true; }
     bool isDeleted() const { return m_deleted; }
-    void abort();
+    void versionChangeTransactionAborted();
     void transactionFinished();
 
     const IDBObjectStoreMetadata& metadata() const { return m_metadata; }
-    void setMetadata(const IDBObjectStoreMetadata& metadata) { m_metadata = metadata; }
+    // Rolls back the object store's metadata to a previous version.
+    //
+    // Used when a versionchange transaction is aborted.
+    void rollbackMetadata(const IDBObjectStoreMetadata& previousMetadata);
 
     typedef HeapVector<Member<IDBKey>> IndexKeys;
 
     WebIDBDatabase* backendDB() const;
 
 private:
     IDBObjectStore(const IDBObjectStoreMetadata&, IDBTransaction*);
 
     IDBIndex* createIndex(ScriptState*, const String& name, const IDBKeyPath&, const IDBIndexParameters&, ExceptionState&);
     IDBRequest* put(ScriptState*, WebIDBPutMode, IDBAny* source, const ScriptValue&, const ScriptValue& key, ExceptionState&);
@@ skipping 12 matching lines @@
     IDBIndexMap m_indexMap;
 
     // Used to mark indexes created in an aborted upgrade transaction as
     // deleted.
     HeapHashSet<Member<IDBIndex>> m_createdIndexes;
 };
 
 } // namespace blink
 
 #endif // IDBObjectStore_h