Remove the ENABLE_SQL_DATABASE compile-time flag.

Source/WebCore/Modules/webdatabase/DatabaseBackendContext.cpp

 /*
  * Copyright (C) 2013 Apple Inc. All rights reserved.
  *
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  * modification, are permitted provided that the following conditions
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  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
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 #include "config.h"
 #include "DatabaseBackendContext.h"
 
-#if ENABLE(SQL_DATABASE)
-
 #include "ScriptExecutionContext.h"
 
 namespace WebCore {
 
 DatabaseContext* DatabaseBackendContext::frontend()
 {
     // FIXME: Currently, we're only simulating the frontend by return the
     // backend context as its own the frontend. When we split the 2 apart, this
     // create() function should be changed to return a cached m_frontend.
     return static_cast<DatabaseContext*>(this);
 }
 
 SecurityOrigin* DatabaseBackendContext::securityOrigin() const
 {
     return m_scriptExecutionContext->securityOrigin();
 }
 
 bool DatabaseBackendContext::isContextThread() const
 {
     return m_scriptExecutionContext->isContextThread();
 }
 
 } // namespace WebCore
-
-#endif // ENABLE(SQL_DATABASE)