Google Chrome impacted by new Magellan 2.0 vulnerabilities
zdnet.com
zdnet.com
window.openDatabase = undefined;
this will globally disable websql. Of course Google took care of this 'user permission to install own code' leak and ... removed User script directory support in 2011! :| Nowadays you need to either install Tampermonkey (and enable advanced mode/instant injection which is a hack in itself because Chrome has several year old not fixed extension execution bugs) or write your very own custom `run_at` `document_start` extension injecting that one liner to achieve something as basic as ability to turn of a browser feature.