Remove the ENABLE_SQL_DATABASE compile-time flag.

Source/WebCore/Modules/webdatabase/ChangeVersionWrapper.h

 /*
  * Copyright (C) 2007, 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:
  *
  * 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 10 matching lines @@
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 #ifndef ChangeVersionWrapper_h
 #define ChangeVersionWrapper_h
 
-#if ENABLE(SQL_DATABASE)
-
 #include "SQLTransactionBackend.h"
 #include <wtf/Forward.h>
 
 namespace WebCore {
 
 class SQLError;
 
 class ChangeVersionWrapper : public SQLTransactionWrapper {
 public:
     static PassRefPtr<ChangeVersionWrapper> create(const String& oldVersion, const String& newVersion) { return adoptRef(new ChangeVersionWrapper(oldVersion, newVersion)); }
 
     virtual bool performPreflight(SQLTransactionBackend*);
     virtual bool performPostflight(SQLTransactionBackend*);
     virtual SQLError* sqlError() const { return m_sqlError.get(); }
     virtual void handleCommitFailedAfterPostflight(SQLTransactionBackend*);
 
 private:
     ChangeVersionWrapper(const String& oldVersion, const String& newVersion);
 
     String m_oldVersion;
     String m_newVersion;
     RefPtr<SQLError> m_sqlError;
 };
 
 } // namespace WebCore
 
-#endif
-
 #endif // ChangeVersionWrapper_h