Add a test for requesting mount via a context menu in Files app.

ui/file_manager/integration_tests/file_manager/providers.js

Index: ui/file_manager/integration_tests/file_manager/providers.js
diff --git a/ui/file_manager/integration_tests/file_manager/providers.js b/ui/file_manager/integration_tests/file_manager/providers.js
new file mode 100644
index 0000000000000000000000000000000000000000..5c2a2bfe5d70ed913c6d8a3e2d22553ecf3ffe53
--- /dev/null
+++ b/ui/file_manager/integration_tests/file_manager/providers.js
@@ -0,0 +1,75 @@
+// Copyright 2015 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';
+
+(function() {
+/**
+ * Tests if mounting a provided file system via the "Add new services" button
+ * works correctly.
+ */
+function requestMount() {
+  var appId;
+  StepsRunner.run([
+    function() {
+      chrome.test.sendMessage(
+          JSON.stringify({name: 'installProviderExtension'}));
+      setupAndWaitUntilReady(null, RootPath.DOWNLOADS, this.next);
+    },
+    function(inAppId) {
+      appId = inAppId;
+      remoteCall.callRemoteTestUtil(
+          'fakeMouseClick',
+          appId,
+          ['div[menu=\'#add-new-services-menu\']'],
+          this.next);
+    },
+    function(result) {
+      chrome.test.assertTrue(result);
+      remoteCall.waitForElement(
+          appId,
+          '#add-new-services-menu:not([hidden]) cr-menu-item:first-child span')
+          .then(this.next);
+    },
+    function(result) {
+      chrome.test.assertEq('Testing Provider', result.text);
+      remoteCall.callRemoteTestUtil(
+          'fakeMouseClick',
+          appId,
+          ['#add-new-services-menu cr-menu-item:first-child span'],
+          this.next);
+    },
+    function(result) {
+      remoteCall.waitForElement(
+          appId,
+          '.tree-row[selected] .icon[volume-type-icon="provided"]')
+          .then(this.next);
+    },
+    function(result) {
+      remoteCall.callRemoteTestUtil(
+          'fakeMouseClick',
+          appId,
+          ['div[menu=\'#add-new-services-menu\']'],
+          this.next);
+    },
+    function(result) {
+      chrome.test.assertTrue(result);
+      // Confirm that the first element of the menu is now the separator, as
+      // the extension once mounted should be gone from the menu, as it doesn't
+      // support multiple mounts.
+      remoteCall.waitForElement(
+          appId,
+          '#add-new-services-menu:not([hidden]) hr:first-child')
+          .then(this.next);
+    },
+    function(result) {
+      checkIfNoErrorsOccured(this.next);
+    }
+  ]);
+}
+
+// Exports test functions.
+testcase.requestMount = requestMount;
+
+})();