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chromium/extensions/test/data/app_view/apitest/no_embed_request_listener/main.html 

<!DOCTYPE html>
<!--
Copyright 2020 The Chromium Authors
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<html>
  <body>
    <p>Hello</p>
  </body>
</html>