デマかな？

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "デマかな？",
  "version": "0.0.4",
  "description": "右クリックしてデマかな？を選択すると、検証に有用なサイトを新しいウィンドウでまとめて開きます",
  "permissions": [
    "tabs",
    "contextMenus",
    "http://*/*",
    "https://*/*"
  ],
  "icons": {
    "16": "16.png",
    "48": "48.png",
    "128": "128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "content_scripts": [
    {
      "matches": [
        "http://www.amnestyusa.org/citizenevidence/*"
      ],
      "js": [
        "youtube_data_viewer.js"
      ]
    }
  ]
}