Hello Winter HD Wallpapers Nature and Snow

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Hello Winter HD Wallpapers Nature and Snow",
  "description": "__MSG_extdesc__",
  "version": "3.5",
  "default_locale": "en",
  "permissions": [
    "cookies",
    "*://*.coolstart.com/",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://winter.coolstart.com/",
        "https://winter.coolstart.com/?welcome"
      ],
      "all_frames": true,
      "js": [
        "js/jquery.min.js",
        "js/owl.carousel.min.js",
        "js/cbpFWTabs.js",
        "js/tether.min.js",
        "js/bootstrap.min.js",
        "js/jquery.mobile.min.js",
        "js/tour.js",
        "js/jquery-ui.min.js",
        "js/moment.min.js",
        "js/newtab.js",
        "js/controller.js"
      ],
      "css": [
        "css/tour.css",
        "css/owl.carousel.min.css"
      ]
    },
    {
      "matches": [
        "https://*.coolstart.com/*"
      ],
      "run_at": "document_end",
      "all_frames": true,
      "js": [
        "js/jquery.min.js",
        "js/extension_installed.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "/*.html",
    "img/*"
  ],
  "background": {
    "scripts": [
      "js/jquery.min.js",
      "js/database.js",
      "js/background.js"
    ]
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "browser_action": {
    "default_title": "Hello Winter HD Wallpapers Nature and Snow"
  },
  "short_name": "CoolStart",
  "icons": {
    "16": "img/1522840182592.png",
    "48": "img/1522840180849.png",
    "128": "img/1522840176573.png"
  },
  "optional_permissions": [
    "cookies",
    "*://*.coolstart.com/",
    "storage",
    "history",
    "bookmarks",
    "tabs",
    "topSites",
    "chrome://favicon/",
    "<all_urls>",
    "*://*.facebook.com/*",
    "*://*.coolstart.com/*"
  ]
}