Remove duplicated headers from modules/

Source/modules/webdatabase/DatabaseSync.cpp

 /*
  * Copyright (C) 2010 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 18 matching lines @@
  */
 
 #include "config.h"
 #include "modules/webdatabase/DatabaseSync.h"
 
 #include "bindings/v8/ExceptionState.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
 #include "core/dom/ExecutionContextTask.h"
 #include "platform/Logging.h"
-#include "modules/webdatabase/DatabaseBackendSync.h"
 #include "modules/webdatabase/DatabaseCallback.h"
 #include "modules/webdatabase/DatabaseContext.h"
 #include "modules/webdatabase/DatabaseManager.h"
 #include "modules/webdatabase/DatabaseTracker.h"
 #include "modules/webdatabase/SQLError.h"
 #include "modules/webdatabase/SQLTransactionSync.h"
 #include "modules/webdatabase/SQLTransactionSyncCallback.h"
-#include "weborigin/SecurityOrigin.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/CString.h"
 
 namespace WebCore {
 
 PassRefPtr<DatabaseSync> DatabaseSync::create(ExecutionContext*, PassRefPtr<DatabaseBackendBase> backend)
 {
     return static_cast<DatabaseSync*>(backend.get());
 }
@@ skipping 158 matching lines @@
     ASSERT(m_executionContext->isContextThread());
 
     if (!opened())
         return;
 
     logErrorMessage("forcibly closing database");
     closeDatabase();
 }
 
 } // namespace WebCore