Migrate from fullPath to Entry in the mosaic view.

chrome/browser/resources/file_manager/foreground/js/photo/gallery.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';
 
 /**
  * Called from the main frame when unloading.
  * @return {string?} User-visible message on null if it is OK to close.
  */
@@ skipping 201 matching lines @@
       this.container_, this.displayStringFunction_);
 
   this.modeButton_ = util.createChild(this.toolbar_, 'button mode', 'button');
   this.modeButton_.addEventListener('click',
       this.toggleMode_.bind(this, null));
 
   this.mosaicMode_ = new MosaicMode(content,
                                     this.dataModel_,
                                     this.selectionModel_,
                                     this.metadataCache_,
+                                    this.volumeManager_,
                                     this.toggleMode_.bind(this, null));
 
   this.slideMode_ = new SlideMode(this.container_,
                                   content,
                                   this.toolbar_,
                                   this.prompt_,
                                   this.dataModel_,
                                   this.selectionModel_,
                                   this.context_,
                                   this.toggleMode_.bind(this),
@@ skipping 631 matching lines @@
  */
 Gallery.prototype.updateButtons_ = function() {
   if (this.modeButton_) {
     var oppositeMode =
         this.currentMode_ === this.slideMode_ ? this.mosaicMode_ :
                                                 this.slideMode_;
     this.modeButton_.title =
         this.displayStringFunction_(oppositeMode.getTitle());
   }
 };