Examine source code of Flipkart Navigator

{
  "manifest_version": 2,
  "name": "__MSG_appName__",
  "version": "1.1.6resigned1",
  "description": "__MSG_appDesc__",
  "default_locale": "en",
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "icons": {
    "16": "img/Icon16.png",
    "32": "img/Icon32.png",
    "48": "img/Icon48.png",
    "96": "img/Icon96.png",
    "128": "img/Icon128.png"
  },
  "browser_action": {
    "browser_style": false,
    "default_title": "__MSG_buttonTitle__",
    "default_icon": "img/Icon19.png",
    "default_popup": "popup/popup.html"
  },
  "applications": {
    "gecko": {
      "id": "flipkart-navigator@devunion.com",
      "strict_min_version": "48.0"
    }
  },
  "content_security_policy": "script-src 'self' https://www.google-analytics.com https://www.googletagmanager.com 'unsafe-eval'; object-src 'self'",
  "permissions": [
    "tabs",
    "notifications",
    "idle",
    "https://www.google-analytics.com/"
  ]
}