Examine source code of Cool-Pics - NewTabPage

{
  "manifest_version": 2,
  "name": "Cool Pics - NewTab Page",
  "short_name": "Cool Pics - NewTab Page",
  "description": "A homepage where you will find all the features like beautiful wallpaper, links to popular apps, recently closed tabs, bookmark tabs, search, clock and more!",
  "version": "1.0.1resigned1",
  "icons": {
    "16": "icons/home16.png",
    "48": "icons/home48.png",
    "128": "icons/home128.png"
  },
  "background": {
    "page": "background.html"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "tabs",
    "history",
    "http://google.com/complete/*",
    "webNavigation",
    "bookmarks",
    "storage",
    "unlimitedStorage"
  ],
  "web_accessible_resources": [
    "css/style.css"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b3a9cc6a-cc15-4f2b-9f5f-13378cc0f683}"
    }
  }
}