Are you really conscious about your private data (username, Password, etc) which is saved by your browser Google Chrome? The extension ‘Simple Startup Password’ lets you password protect your browser from use by unauthorized persons.
If the password does not match the browser immediately closes. You can change your password in the plug-in settings.
NOTE: Do not lose or forget your password. There is no option to recover your password. You’ll have to reinstall your browser. You can install Simple Startup Password at Chrome extension gallery here.