WebExtension windows
browser.windows.create({
// allowScriptsToClose: true,
height: 640,
width: 700,
top: (screen.height -640) / 2,
left: (screen.width - 700) / 2,
url: 'http://x.yupoo.com/gallery/pick',
type: 'popup',
incognito: false,
// focused: true}).then(console.log)