Remove duplicated headers from modules/

Source/modules/webdatabase/DatabaseBackendBase.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 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.
@@ skipping 25 matching lines @@
 #include "modules/webdatabase/DatabaseBase.h"
 #include "modules/webdatabase/DatabaseContext.h"
 #include "modules/webdatabase/DatabaseManager.h"
 #include "modules/webdatabase/DatabaseObserver.h"
 #include "modules/webdatabase/DatabaseTracker.h"
 #include "modules/webdatabase/sqlite/SQLiteStatement.h"
 #include "modules/webdatabase/sqlite/SQLiteTransaction.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebPlatformDatabaseObserver.h"
 #include "weborigin/DatabaseIdentifier.h"
-#include "weborigin/SecurityOrigin.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefPtr.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/StringHash.h"
 
 // Registering "opened" databases with the DatabaseTracker
 // =======================================================
 // The DatabaseTracker maintains a list of databases that have been
 // "opened" so that the client can call interrupt or delete on every database
 // associated with a DatabaseContext.
 //
@@ skipping 618 matching lines @@
             createDatabaseIdentifierFromSecurityOrigin(securityOrigin()),
             stringIdentifier(), isSyncDatabase(), sqliteErrorCode);
     } else {
         // FIXME: Deprecate this.
         DatabaseObserver::reportVacuumDatabaseResult(this, sqliteErrorCode);
     }
 }
 
 
 } // namespace WebCore