Dota 2 Wallpapers for New Tab

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Dota 2 Wallpapers for New Tab",
  "author": "redphx",
  "description": "(Unofficial) Change your new tab's background to a random photo from Dota 2 Wallpapers collection.",
  "version": "1.1.0",
  "manifest_version": 2,
  "minimum_chrome_version": "42.0",
  "background": {
    "persistent": false,
    "scripts": [
      "js/utils/constants.js",
      "js/utils/browser-api.js",
      "js/background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "newtab.html"
  },
  "icons": {
    "16": "img/icon-16.png",
    "48": "img/icon-48.png",
    "128": "img/icon-128.png"
  },
  "web_accessible_resources": [
    "img/*",
    "js/*",
    "css/*"
  ],
  "content_security_policy": "script-src 'self' https://www.google-analytics.com; object-src 'self'",
  "permissions": [
    "storage",
    "*://dota2.codekiem.com/*"
  ]
}