<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Jul 27, 2009, at 6:42 PM, Robert O'Callahan wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">On Tue, Jul 28, 2009 at 6:50 AM, Michael Davidson <span dir="ltr"><<a href="mailto:mpd@google.com">mpd@google.com</a>></span> wrote:<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> As mentioned in earlier discussions about persistent workers,<br> permissioning UI is a major issue.<br> </blockquote><div><br>Indeed, the most difficult issue here is security and the permissions UI, which you haven't addressed at all.<br><br>Currently, when you close a browser tab, the application in that tab is gone. This is a very important user expectation that we can't just break.<font class="Apple-style-span" color="#000000"><font class="Apple-style-span" color="#144FAE"><br></font></font></div></div></blockquote><br></div><div>I share this concern. Violating this expectation seems like it could be a vector for malware, in a way that a permissions dialog would not meaningfully address.</div><div><br></div><div>Regards,</div><div>Maciej</div><div><br></div></body></html>