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chromium/third_party/blink/web_tests/fast/forms/file/file-crash-by-display-none-button.html 

<!DOCTYPE html>
<script>
    if (window.internals)
        testRunner.dumpAsText();
</script>
<style>
input::-webkit-file-upload-button { display: none; }
</style>
This test is successful it it does not crash.
<input type="file"/>