class ChromeBrowsingData extends ChromeApi {
 static final JsObject _browsingData = chrome['browsingData'];

 ChromeBrowsingData._();

 bool get available => _browsingData != null;

 /**
  * Reports which types of data are currently selected in the 'Clear browsing
  * data' settings UI.  Note: some of the data types included in this API are
  * not available in the settings UI, and some UI settings control more than
  * one data type listed here.
  */
 Future<Map> settings() {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter<Map>.oneArg(mapify);
   _browsingData.callMethod('settings', [completer.callback]);
   return completer.future;
 }

 /**
  * Clears various types of browsing data stored in a user's profile.
  * 
  * [dataToRemove] The set of data types to remove.
  */
 Future remove(RemovalOptions options, DataTypeSet dataToRemove) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('remove', [jsify(options), jsify(dataToRemove), completer.callback]);
   return completer.future;
 }

 /**
  * Clears websites' appcache data.
  */
 Future removeAppcache(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeAppcache', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's cache.
  */
 Future removeCache(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeCache', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's cookies and server-bound certificates modified within
  * a particular timeframe.
  */
 Future removeCookies(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeCookies', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's list of downloaded files (_not_ the downloaded files
  * themselves).
  */
 Future removeDownloads(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeDownloads', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears websites' file system data.
  */
 Future removeFileSystems(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeFileSystems', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's stored form data (autofill).
  */
 Future removeFormData(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeFormData', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's history.
  */
 Future removeHistory(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeHistory', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears websites' IndexedDB data.
  */
 Future removeIndexedDB(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeIndexedDB', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears websites' local storage data.
  */
 Future removeLocalStorage(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeLocalStorage', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears plugins' data.
  */
 Future removePluginData(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removePluginData', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears the browser's stored passwords.
  */
 Future removePasswords(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removePasswords', [jsify(options), completer.callback]);
   return completer.future;
 }

 /**
  * Clears websites' WebSQL data.
  */
 Future removeWebSQL(RemovalOptions options) {
   if (_browsingData == null) _throwNotAvailable();

   var completer = new ChromeCompleter.noArgs();
   _browsingData.callMethod('removeWebSQL', [jsify(options), completer.callback]);
   return completer.future;
 }

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