Fix trivial type-check errors in file_manager.

ui/file_manager/file_manager/foreground/js/directory_model.js

 // Copyright (c) 2012 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';
 
 // If directory files changes too often, don't rescan directory more than once
 // per specified interval
 var SIMULTANEOUS_RESCAN_INTERVAL = 500;
 // Used for operations that require almost instant rescan.
@@ skipping 266 matching lines @@
   return index >= 0 && this.getFileList().item(index);
 };
 
 /**
  * @param {Entry} value The new lead entry.
  * @private
  */
 DirectoryModel.prototype.setLeadEntry_ = function(value) {
   var fileList = this.getFileList();
   for (var i = 0; i < fileList.length; i++) {
-    if (util.isSameEntry(fileList.item(i), value)) {
+    if (util.isSameEntry(/** @type {Entry} */ (fileList.item(i)), value)) {
       this.fileListSelection_.leadIndex = i;
       return;
     }
   }
 };
 
 /**
  * Schedule rescan with short delay.
  * @param {boolean} refresh True to refresh metadata, or false to use cached
  *     one.
@@ skipping 408 matching lines @@
 };
 
 /**
  * @param {Entry} entry The entry to be searched.
  * @return {number} The index in the fileList, or -1 if not found.
  * @private
  */
 DirectoryModel.prototype.findIndexByEntry_ = function(entry) {
   var fileList = this.getFileList();
   for (var i = 0; i < fileList.length; i++) {
-    if (util.isSameEntry(fileList.item(i), entry))
+    if (util.isSameEntry(/** @type {Entry} */ (fileList.item(i)), entry))
       return i;
   }
   return -1;
 };
 
 /**
  * Called when rename is done successfully.
  * Note: conceptually, DirectoryModel should work without this, because entries
  * can be renamed by other systems anytime and Files.app should reflect it
  * correctly.
@@ skipping 125 matching lines @@
               this.currentDirContents_.getDirectoryEntry();
           this.clearAndScan_(
               newDirectoryContents,
               function(result) {
                 // Calls the callback of the method when successful.
                 if (result && opt_callback)
                   opt_callback();
 
                 // Notify that the current task of this.directoryChangeQueue_
                 // is completed.
-                setTimeout(queueTaskCallback);
+                setTimeout(queueTaskCallback, 0);
               });
 
           // For tests that open the dialog to empty directories, everything
           // is loaded at this point.
           util.testSendMessage('directory-change-complete');
 
           var event = new Event('directory-changed');
           event.previousDirEntry = previousDirEntry;
           event.newDirEntry = dirEntry;
           this.dispatchEvent(event);
@@ skipping 77 matching lines @@
   var fileList = this.getFileList();
   for (var i = 0; i < fileList.length; i++) {
     if (fileList.item(i).toURL() === entry.toURL()) {
       this.selectIndex(i);
       return;
     }
   }
 };
 
 /**
- * @param {Array.<string>} entries Array of entries.
+ * @param {Array.<Entry>} entries Array of entries.
  */
 DirectoryModel.prototype.selectEntries = function(entries) {
   // URLs are needed here, since we are comparing Entries by URLs.
   var urls = util.entriesToURLs(entries);
   var fileList = this.getFileList();
   this.fileListSelection_.beginChange();
   this.fileListSelection_.unselectAll();
   for (var i = 0; i < fileList.length; i++) {
     if (urls.indexOf(fileList.item(i).toURL()) >= 0)
       this.fileListSelection_.setIndexSelected(i, true);
@@ skipping 155 matching lines @@
   if (this.onSearchCompleted_) {
     this.removeEventListener('scan-completed', this.onSearchCompleted_);
     this.onSearchCompleted_ = null;
   }
 
   if (this.onClearSearch_) {
     this.onClearSearch_();
     this.onClearSearch_ = null;
   }
 };