Story Point counter for TFS

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Story Point counter for TFS",
  "description": "Calculates the total Story Points of all selected User Stories (rows) in the backlog.",
  "version": "1.0",
  "icons": {
    "16": "images/icon-16x16.png",
    "32": "images/icon-32x32.png",
    "48": "images/icon-48x48.png",
    "144": "images/icon-144x144.png"
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_title": "Count selected Story Points"
  },
  "permissions": [
    "activeTab"
  ]
}