Add Team Drive subtree to the directory list view.

ui/file_manager/file_manager/foreground/js/actions_model_unittest.js

 // 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.
 
 var volumeManager = null;
 var metadataModel = null;
 var shortcutsModel = null;
 var driveSyncHandler = null;
 var ui = null;
 var driveFileSystem = null;
@@ skipping 62 matching lines @@
     runtime: {
       lastError: null
     },
     fileManagerPrivate: {
       // The following closures are set per test case.
       getCustomActions: null,
       executeCustomAction: null,
       pinDriveFile: null
     },
   };
+  new MockCommandLinePrivate();
 
   volumeManager = new MockVolumeManager();
   volumeManager.createVolumeInfo(
       VolumeManagerCommon.VolumeType.PROVIDED,
       'provided',
       'Provided');
 
   driveFileSystem = volumeManager.getCurrentProfileVolumeInfo(
       VolumeManagerCommon.VolumeType.DRIVE).fileSystem;
   providedFileSystem = volumeManager.getCurrentProfileVolumeInfo(
@@ skipping 208 matching lines @@
     callback(null);
   };
 
   var model = new ActionsModel(volumeManager, metadataModel, shortcutsModel,
       driveSyncHandler, ui, [providedFileSystem.entries['/test']]);
   return reportPromise(model.initialize().then(function() {
     var actions = model.getActions();
     assertEquals(0, Object.keys(actions).length);
   }), callback);
 }