<!DOCTYPE html>
<html>
<script>
if (window.testRunner)
    testRunner.dumpAsText();
internals.settings.setCSSVariablesEnabled(true);
</script>
<style>
body {
  -webkit-var-a: url(1);
  -webkit-filter: -webkit-var(a);
}
</style>
This test is successful if it does not crash.
</html>