Remove the ENABLE_SQL_DATABASE compile-time flag.

Source/WebCore/Modules/webdatabase/SQLCallbackWrapper.h

 /*
  * Copyright (C) 2011 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 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 SQLCallbackWrapper_h
 #define SQLCallbackWrapper_h
 
-#if ENABLE(SQL_DATABASE)
-
 #include "ScriptExecutionContext.h"
 #include <wtf/ThreadingPrimitives.h>
 
 namespace WebCore {
 
 // A helper class to safely dereference the callback objects held by
 // SQLStatement and SQLTransaction on the proper thread. The 'wrapped'
 // callback is dereferenced:
 // - by destructing the enclosing wrapper - on any thread
 // - by calling clear() - on any thread
@@ skipping 70 matching lines @@
         T* m_callbackToRelease;
     };
 
     Mutex m_mutex;
     RefPtr<T> m_callback;
     RefPtr<ScriptExecutionContext> m_scriptExecutionContext;
 };
 
 } // namespace WebCore
 
-#endif // ENABLE(SQL_DATABASE)
-
 #endif // SQLCallbackWrapper_h