Add type annotations to caster.js.

ui/file_manager/externs/chrome_cast.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 /**
  * @namespace
  */
 chrome.cast = {};
 
 
@@ skipping 316 matching lines @@
 /** @type {?number} */
 chrome.cast.Volume.prototype.level;
 
 /** @type {?boolean} */
 chrome.cast.Volume.prototype.muted;
 
 
 /**
  * @param {!chrome.cast.SessionRequest} sessionRequest
  * @param {function(!chrome.cast.Session)} sessionListener
- * @param {function(!chrome.cast.ReceiverAvailability)} receiverListener
+ * @param {function(!chrome.cast.ReceiverAvailability,Array.<Object>)}
+ *     receiverListener
  * @param {chrome.cast.AutoJoinPolicy=} opt_autoJoinPolicy
  * @param {chrome.cast.DefaultActionPolicy=} opt_defaultActionPolicy
  * @constructor
  * @see https://developers.google.com/cast/docs/reference/chrome/chrome.cast.ApiConfig
  */
 chrome.cast.ApiConfig = function(sessionRequest, sessionListener,
     receiverListener, opt_autoJoinPolicy, opt_defaultActionPolicy) {};
 
 /** @type {!chrome.cast.SessionRequest} */
 chrome.cast.ApiConfig.prototype.sessionRequest;
@@ skipping 883 matching lines @@
 chrome.cast.media.TextTrackStyle.prototype.fontFamily;
 
 /** @type {?chrome.cast.media.TextTrackFontGenericFamily} */
 chrome.cast.media.TextTrackStyle.prototype.fontGenericFamily;
 
 /** @type {?chrome.cast.media.TextTrackFontStyle} */
 chrome.cast.media.TextTrackStyle.prototype.fontStyle;
 
 /** @type {Object} */
 chrome.cast.media.TextTrackStyle.prototype.customData;