Facebook Time Keeper

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Facebook Time Keeper",
  "description": "Track your time spent on facebook!",
  "version": "1.4",
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "lodash.js",
        "jquery.js",
        "content.js"
      ]
    }
  ],
  "devtools_page": "devtools/devtools.html",
  "browser_action": {
    "default_title": "Time Keeper"
  },
  "icons": {
    "16": "16clock.png",
    "32": "32clock.png",
    "48": "48clock.png",
    "128": "128clock.png"
  },
  "permissions": [
    "<all_urls>",
    "storage",
    "tabs"
  ]
}