Dunno, but I looked at the bug tracker after someone else said it worked for them in the other thread, and found this:
575690 -
`--disable-web-security` works with an empty value for `--user-data-dir` -
chromium -
Monorail
You can probably work around it by adding --disable-web-security --user-data-dir as startup options...I'm not sure exactly how to do that in windows - it's somewhere in the right click menus, I think.