Examine source code of My Homepage

{
  "manifest_version": 2,
  "name": "My Homepage",
  "version": "3.10resigned1",
  "description": "Get your homepage loaded automatically whenever you open up a new tab.",
  "author": "Manish Jain",
  "homepage_url": "http://www.blogs.wisetechlabs.com",
  "permissions": [
    "tabs",
    "browserSettings",
    "history",
    "<all_urls>"
  ],
  "chrome_settings_overrides": {},
  "chrome_url_overrides": {
    "newtab": "redirect.html"
  },
  "background": {
    "scripts": [
      "bg.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "myhomepage_manishjain9@gmail.com",
      "strict_min_version": "57.0"
    }
  }
}