sort date descending by default

chrome/browser/resources/file_manager/js/file_manager.js

 // Copyright (c) 2011 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.
 
 // Setting the src of an img to an empty string can crash the browser, so we
 // use an empty 1x1 gif instead.
 const EMPTY_IMAGE_URI = 'data:image/gif;base64,'
         + 'R0lGODlhAQABAPABAP///wAAACH5BAEKAAAALAAAAAABAAEAAAICRAEAOw%3D%3D';
 
 var g_slideshow_data = null;
@@ skipping 121 matching lines @@
     this.onFileTaskExecute_.bind(this));
 
   this.initCommands_();
   this.initDom_();
   this.initDialogType_();
   this.setupCurrentDirectory_();
 
   this.summarizeSelection_();
   this.updatePreview_();
 
-  this.dataModel_.sort('cachedMtime_');
+  this.dataModel_.sort('cachedMtime_', 'desc');
 
   this.refocus();
 
   // Pass all URLs to the metadata reader until we have a correct filter.
   this.metadataUrlFilter_ = /.*/;
 
   this.metadataReader_ = new Worker('js/metadata_dispatcher.js');
   this.metadataReader_.onmessage = this.onMetadataMessage_.bind(this);
   this.metadataReader_.postMessage({verb: 'init'});
   // Initialization is not complete until the Worker sends back the
@@ skipping 2995 matching lines @@
 
     if (msg) {
       console.log('no no no');
       this.alert.show(msg, onAccept);
       return false;
     }
 
     return true;
   };
 })();