Examine source code of Bookmark Reminder

{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "version": "1.0",
  "description": "__MSG_extensionDescription__",
  "icons": {
    "48": "icons/bookmark-48.png"
  },
  "permissions": [
    "bookmarks",
    "storage",
    "tabs",
    "contextMenus"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": {
      "48": "icons/bookmark-48.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{7082d2d8-a370-467b-9b99-615e04e1df0d}"
    }
  }
}