Examine source code of Wave

{
  "manifest_version": 2,
  "name": "Wave",
  "description": "An extension that replaces the new tab page with animated waves and gradient backgrounds.",
  "version": "3.0.3",
  "icons": {
    "128": "icon_128.png"
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "chrome_url_overrides": {
    "newtab": "index.html"
  },
  "permissions": [
    "storage"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{10d70be6-feea-4e22-b05d-d70ae7b6c2d7}"
    }
  }
}