Examine source code of Vairus

{
  "name": "Vairus",
  "description": "Infect the web!",
  "version": "0.14.4",
  "manifest_version": 2,
  "default_locale": "en",
  "permissions": [
    "storage",
    "tabs",
    "contextMenus"
  ],
  "browser_action": {
    "default_title": "Vairus",
    "default_icon": "images/favicon.png",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "web_accessible_resources": [
    "content/*",
    "images/*",
    "fonts/*",
    "profile/profile.html"
  ]
}