Cross Reference: /external/chromium_org/chrome/common/extensions/docs/examples/howto

`Name`	`Date`	`Size`
Up to higher level directory
`contentscript_xhr/`	16-Dec-2014
`sandbox/`	10-Mar-2015
`tab_shortcuts/`	16-Dec-2014
`userscript-runat/`	16-Dec-2014