Gallery: Fix enterMode.

ui/file_manager/gallery/js/gallery.js

 // Copyright 2014 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.
 
 /**
  * Overrided metadata worker's path.
  * @type {string}
  */
 ContentProvider.WORKER_SCRIPT = '/js/metadata_worker.js';
 
@@ skipping 128 matching lines @@
 
   this.modeButton_ = queryRequiredElement(this.toolbar_, 'button.mode');
   this.modeButton_.addEventListener('click',
       this.toggleMode_.bind(this, undefined));
 
   this.mosaicMode_ = new MosaicMode(content,
                                     this.errorBanner_,
                                     this.dataModel_,
                                     this.selectionModel_,
                                     this.volumeManager_,
-                                    this.toggleMode_.bind(this));
+                                    this.toggleMode_.bind(this, undefined));
 
   this.slideMode_ = new SlideMode(this.container_,
                                   content,
                                   this.toolbar_,
                                   this.prompt_,
                                   this.errorBanner_,
                                   this.dataModel_,
                                   this.selectionModel_,
                                   this.context_,
                                   this.volumeManager_,
@@ skipping 734 matching lines @@
 };
 
 /**
  * Loads entries.
  * @param {!Array.<Entry>} entries Array of entries.
  * @param {!Array.<Entry>} selectedEntries Array of selected entries.
  */
 window.loadEntries = function(entries, selectedEntries) {
   gallery.load(entries, selectedEntries);
 };