Remove the ENABLE_SQL_DATABASE compile-time flag.

Source/WebCore/Modules/webdatabase/SQLTransactionClient.h

 /*
  * Copyright (C) 2009 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 13 matching lines @@
  * 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 SQLTransactionClient_h
 #define SQLTransactionClient_h
 
-#if ENABLE(SQL_DATABASE)
-
 #include <wtf/FastAllocBase.h>
 #include <wtf/Noncopyable.h>
 
 namespace WebCore {
 
 class DatabaseBackendBase;
 
 // A client to the SQLTransaction class. Allows SQLTransaction to notify interested
 // parties that certain things have happened in a transaction.
 class SQLTransactionClient {
     WTF_MAKE_NONCOPYABLE(SQLTransactionClient); WTF_MAKE_FAST_ALLOCATED;
 public:
     SQLTransactionClient() { }
     void didCommitWriteTransaction(DatabaseBackendBase*);
     bool didExceedQuota(DatabaseBackendBase*);
 };
 
 }
 
-#endif // ENABLE(SQL_DATABASE)
-
 #endif // SQLTransactionClient_h