Revert "Transition modules/** to use ExceptionState"

Source/modules/webdatabase/DatabaseBasicTypes.h

 /*
  * Copyright (C) 2012 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:
  * 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #ifndef DatabaseBasicTypes_h
 #define DatabaseBasicTypes_h
 
 #include "wtf/EnumClass.h"
 
 namespace WebCore {
 
 typedef int DatabaseGuid;
+typedef int ExceptionCode;
 
 ENUM_CLASS(DatabaseType) {
     Async,
     Sync
 } ENUM_CLASS_END(DatabaseType);
 
 } // namespace WebCore
 
 #endif // DatabaseBasicTypes_h