Files.app Test: check the cast icon in drive volume

chrome/test/data/extensions/api_test/file_manager_browsertest/cast_extension_mock/load.js

Index: chrome/test/data/extensions/api_test/file_manager_browsertest/cast_extension_mock/load.js
diff --git a/chrome/test/data/extensions/api_test/file_manager_browsertest/cast_extension_mock/load.js b/chrome/test/data/extensions/api_test/file_manager_browsertest/cast_extension_mock/load.js
new file mode 100644
index 0000000000000000000000000000000000000000..4045f0f3204f4aae55e8860d5297c555fd03dc6b
--- /dev/null
+++ b/chrome/test/data/extensions/api_test/file_manager_browsertest/cast_extension_mock/load.js
@@ -0,0 +1,75 @@
+// 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.
+
+'use strict';
+
+/**
+ * @fileOverview This file loads the MOCK cast APIs for test.
+ */
+
+chrome.cast = {};
+
+/**
+ * @enum {string}
+ * @const
+ */
+chrome.cast.ReceiverAvailability = {
+  UNAVAILABLE: 'unavailable',
+  AVAILABLE: 'available',
+};
+Object.freeze(chrome.cast.ReceiverAvailability);
+
+/**
+ * @constructor
+ */
+chrome.cast.SessionRequest = function() {
+};
+
+/**
+ * @constructor
+ * @param {chrome.cast.SessionRequest} sessionRequest
+ * @param {function(chrome.cast.Session)} onSession
+ * @param {function(chrome.cast.ReceiverAvailability)} onReceiver
+ */
+chrome.cast.ApiConfig = function(sessionRequest, onSession, onReceiver) {
+  this.onReceiver_ = onReceiver;
+
+  Object.seal(this);
+};
+
+/**
+ * @param {chrome.cast.ApiConfig} apiConfig
+ * @param {function()} onInitSuccess
+ * @param {function(chrome.cast.Error)} onError
+ */
+chrome.cast.initialize = function(apiConfig, onInitSuccess, onError) {
+  this.apiConfig_ = apiConfig;
+
+  var receiver1 = {friendlyName: 'test cast', label: 'testcast'};
+  var receivers = [receiver1];
+  setTimeout(this.apiConfig_.onReceiver_.bind(
+      null, chrome.cast.ReceiverAvailability.UNAVAILABLE, []));
+  setTimeout(this.apiConfig_.onReceiver_.bind(
+      null, chrome.cast.ReceiverAvailability.AVAILABLE, receivers), 1000);
+
+  onInitSuccess();
+};
+
+/**
+ * Initialized apiConfig value.
+ * @type {chrome.cast.ApiConfig}
+ * @private
+ */
+chrome.cast.apiConfig_ = null;
+
+/**
+ * @const
+ */
+chrome.cast.isAvailable = true;
+
+Object.seal(chrome.cast);
+
+// Invokes the handler.
+if (window['__onGCastApiAvailable'])
+  window['__onGCastApiAvailable'](true, null);