Examine source code of QRify

{
  "name": "QRify",
  "author": "Terry Yuen",
  "version": "0.2.6",
  "description": "__MSG_extensionDescription__",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "11": "icon_11.png",
    "22": "icon_22.png",
    "48": "icon_48.png",
    "96": "icon_96.png"
  },
  "permissions": [
    "contextMenus",
    "activeTab"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "11": "icon_11.png",
      "22": "icon_22.png",
      "48": "icon_48.png",
      "96": "icon_96.png"
    },
    "default_title": "__MSG_omniToQR__",
    "default_popup": "popup.html"
  }
}