Fix legacy UI in Files.app.

chrome/browser/resources/file_manager/js/file_manager.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';
 
 /**
  * This variable is checked in SelectFileDialogExtensionBrowserTest.
  * @type {number}
  */
@@ skipping 1042 matching lines @@
     setTimeout(this.dailyUpdateModificationTime_.bind(this),
                today.getTime() + MILLISECONDS_IN_DAY - Date.now() + 1000);
   };
 
   /**
    * @private
    */
   FileManager.prototype.initSidebar_ = function() {
     this.directoryTree_ = this.dialogDom_.querySelector('#directory-tree');
     DirectoryTree.decorate(this.directoryTree_, this.directoryModel_);
-    this.directoryTree_.addEventListener('content-updated', function() {
-      this.updateMiddleBarVisibility_(true);
-    }.bind(this));
+    if (util.platform.newUI()) {
+      this.directoryTree_.addEventListener('content-updated', function() {
+        this.updateMiddleBarVisibility_(true);
+      }.bind(this));
+    }
     if (util.platform.newUI()) {
       this.volumeList_ = this.dialogDom_.querySelector('#volume-list');
       VolumeList.decorate(this.volumeList_, this.directoryModel_);
     }
   };
 
   /**
    * @param {boolean=} opt_delayed If true, updating is delayed by 500ms.
    * @private
    */
@@ skipping 341 matching lines @@
         g.columns = 0;
         g.redraw();
         g.endBatchUpdates();
       }, 0);
     } else {
       if (util.platform.newUI()) {
         if (this.table_.clientWidth > 0)
           this.table_.normalizeColumns();
       }
       this.table_.redraw();
-      this.volumeList_.redraw();
     }
 
     if (!util.platform.newUI())
       this.breadcrumbs_.truncate();
+    else
+      this.volumeList_.redraw();
 
     this.searchBreadcrumbs_.truncate();
-
     this.updateWindowState_();
   };
 
   /**
    * @private
    */
   FileManager.prototype.updateWindowState_ = function() {
     util.platform.getWindowStatus(function(wnd) {
       if (wnd.state == 'maximized') {
         this.dialogDom_.setAttribute('maximized', 'maximized');
@@ skipping 1087 matching lines @@
       if (this.scanUpdatedAtLeastOnceOrCompleted_)
         return;
       this.scanUpdatedAtLeastOnceOrCompleted_ = true;
       this.scanInProgress_ = false;
       if (this.scanUpdatedTimer_) {
         clearTimeout(this.scanUpdatedTimer_);
         this.scanUpdatedTimer_ = null;
       }
       this.table_.list.endBatchUpdates();
       this.grid_.endBatchUpdates();
-      this.updateMiddleBarVisibility_();
+      if (!util.platform.newUI())
+        this.updateMiddleBarVisibility_();

[yoshiki, 2013/05/13 02:00:48]

This is necessary on New UI. 

[mtomasz, 2013/05/13 02:07:38]

Fixed. Done.

       this.scanCompletedTimer_ = null;
     }.bind(this), 50);
   };
 
   /**
    * @private
    */
   FileManager.prototype.onScanUpdated_ = function() {
     if (!this.scanInProgress_) {
       console.error('Scan-updated event recieved. But scan is not started.');
@@ skipping 1100 matching lines @@
    * Set the flag expressing whether the ctrl key is pressed or not.
    * @param {boolean} flag New value of the flag
    * @private
    */
   FileManager.prototype.setCtrlKeyPressed_ = function(flag) {
     this.ctrlKeyPressed_ = flag;
     this.document_.querySelector('#drive-clear-local-cache').canExecuteChange();
     this.document_.querySelector('#drive-reload').canExecuteChange();
   };
 })();