Examine source code of chaudev

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "3.0.3",
  "description": "__MSG_extensionDesc__",
  "default_locale": "en",
  "applications": {
    "gecko": {
      "id": "chaudev@roamingquark.info",
      "strict_min_version": "91.0"
    }
  },
  "icons": {
    "32": "icons/chaudev.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/chaudify.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "permissions": [
    "storage",
    "sessions"
  ],
  "browser_action": {
    "browser_style": true,
    "default_title": "__MSG_popupTitle__",
    "default_popup": "options/options.html#popup",
    "default_icon": {
      "16": "icons/chaudev16.png",
      "32": "icons/chaudev.png"
    }
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true,
    "browser_style": true
  }
}