Examine source code of DownTheMall

{
  "name": "__MSG_extensionName__",
  "author": "Terry",
  "version": "0.1.1",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "48": "icon_48.png",
    "96": "icon_96.png",
    "128": "icon_128.png"
  },
  "permissions": [
    "browsingData",
    "notifications",
    "storage"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "options_ui": {
    "page": "options.html"
  }
}