You can run some plug-ins even if they are blocked by Chrome. Chrome will ask you for permission to run a plug-in and you should only run plug-ins on sites that you trust.
warning Plugin no Addin!!
http://support.google.com/chrome/answer/1247383
navigate to
jschrome://plugins
origin - http://www.pipiscrew.com/?p=2856 chrome-block-or-allow-plugin