class ChromeContentSettings extends ChromeApi {
 static final JsObject _contentSettings = chrome['contentSettings'];

 ChromeContentSettings._();

 bool get available => _contentSettings != null;

 /**
  * Whether to allow cookies and other local data to be set by websites. One
  * of<br>[allow]: Accept cookies,<br>[block]: Block
  * cookies,<br>[session_only]: Accept cookies only for the current session.
  * <br>Default is [allow].<br>The primary URL is the URL representing the
  * cookie origin. The secondary URL is the URL of the top-level frame.
  */
 ContentSetting get cookies => _createContentSetting(_contentSettings['cookies']);

 /**
  * Whether to show images. One of<br>[allow]: Show images,<br>[block]: Don't
  * show images. <br>Default is [allow].<br>The primary URL is the main-frame
  * URL. The secondary URL is the URL of the image.
  */
 ContentSetting get images => _createContentSetting(_contentSettings['images']);

 /**
  * Whether to run JavaScript. One of<br>[allow]: Run JavaScript,<br>[block]:
  * Don't run JavaScript. <br>Default is [allow].<br>The primary URL is the
  * main-frame URL. The secondary URL is not used.
  */
 ContentSetting get javascript => _createContentSetting(_contentSettings['javascript']);

 /**
  * Whether to run plug-ins. One of<br>[allow]: Run plug-ins
  * automatically,<br>[block]: Don't run plug-ins automatically. <br>Default is
  * [allow].<br>The primary URL is the main-frame URL. The secondary URL is not
  * used.
  */
 ContentSetting get plugins => _createContentSetting(_contentSettings['plugins']);

 /**
  * Whether to allow sites to show pop-ups. One of<br>[allow]: Allow sites to
  * show pop-ups,<br>[block]: Don't allow sites to show pop-ups. <br>Default is
  * [block].<br>The primary URL is the main-frame URL. The secondary URL is not
  * used.
  */
 ContentSetting get popups => _createContentSetting(_contentSettings['popups']);

 /**
  * Whether to allow sites to show desktop notifications. One of<br>[allow]:
  * Allow sites to show desktop notifications,<br>[block]: Don't allow sites to
  * show desktop notifications,<br>[ask]: Ask when a site wants to show desktop
  * notifications. <br>Default is [ask].<br>The primary URL is the main-frame
  * URL. The secondary URL is not used.
  */
 ContentSetting get notifications => _createContentSetting(_contentSettings['notifications']);

 void _throwNotAvailable() {
   throw new UnsupportedError("'chrome.contentSettings' is not available");
 }
}