Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/webdatabase/SQLTransactionSync.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  * Copyright (C) 2013 Apple 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
@@ skipping 20 matching lines @@
 
 #ifndef SQLTransactionSync_h
 #define SQLTransactionSync_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "modules/webdatabase/SQLTransactionBackendSync.h"
 
 namespace WebCore {
 
 // Instances of this class should be created and used only on the worker's context thread.
-class SQLTransactionSync : public SQLTransactionBackendSync, public ScriptWrappable {
+class SQLTransactionSync FINAL : public SQLTransactionBackendSync, public ScriptWrappable {
 public:
     static PassRefPtr<SQLTransactionSync> create(DatabaseSync*, PassOwnPtr<SQLTransactionSyncCallback>, bool readOnly = false);
 
     static SQLTransactionSync* from(SQLTransactionBackendSync*);
 
 private:
     SQLTransactionSync(DatabaseSync*, PassOwnPtr<SQLTransactionSyncCallback>, bool readOnly);
 };
 
 } // namespace WebCore
 
 #endif // SQLTransactionSync_h