Examine source code of Places - Smart bookmarks

{
  "manifest_version": 2,
  "short_name": "places",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "0.0.2",
  "default_locale": "en_GB",
  "developer": {
    "name": "T@ntely",
    "url": "https://apps.tantely.fr/"
  },
  "icons": {
    "48": "icons/globe_48.png"
  },
  "permissions": [
    "bookmarks"
  ],
  "browser_action": {
    "default_icon": {
      "32": "icons/globe_32.png"
    },
    "default_title": "Places",
    "default_popup": "popup/places.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "places@tantely.fr"
    }
  }
}