{ "name": "Message Timer", "version": "1.3", "description": "Times how long it takes to send a message to a content script and back.", "content_scripts": [ { "matches": ["http://*/*", "https://*/*"], "js": ["page.js"] } ], "browser_action": { "default_title": "Time to current page", "default_icon": "clock.png", "default_popup": "popup.html" }, "manifest_version": 2 }