LayoutTests/http/tests/contentdispositionattachmentsandbox/resources/at-import-stylesheets-frame.php - WebKit - Git at Google

 <?php
 header("Content-Disposition: attachment; filename=test.html");
 header("Content-Type: text/html");
 ?>
 <!DOCTYPE html>
 <style>
 @import url("data:text/css,body::after { content: 'FAIL'; }");
 </style>
	<?php
	header("Content-Disposition: attachment; filename=test.html");
	header("Content-Type: text/html");
	?>
	<!DOCTYPE html>
	<style>
	@import url("data:text/css,body::after { content: 'FAIL'; }");
	</style>