Gallery.app: Fix entry update in the slide mode.

ui/file_manager/gallery/js/slide_mode.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.
 
 'use strict';
 
 /**
  * Slide mode displays a single image and has a set of controls to navigate
  * between the images and to edit an image.
  *
@@ skipping 911 matching lines @@
   });
 };
 
 /**
  * Update caches when the selected item has been renamed.
  * @param {Event} event Event.
  * @private
  */
 SlideMode.prototype.onContentChange_ = function(event) {
   var newEntry = event.item.getEntry();
-  if (util.isSameEntry(newEntry, event.oldEntry))
+  if (!util.isSameEntry(newEntry, event.oldEntry))
     this.imageView_.changeEntry(newEntry);
 };
 
 /**
  * Flash 'Saved' label briefly to indicate that the image has been saved.
  * @private
  */
 SlideMode.prototype.flashSavedLabel_ = function() {
   var setLabelHighlighted =
       ImageUtil.setAttribute.bind(null, this.savedLabel_, 'highlighted');
@@ skipping 319 matching lines @@
       done = true;
     }
   }.bind(this);
 };
 
 /**
  * If the user touched the image and moved the finger more than SWIPE_THRESHOLD
  * horizontally it's considered as a swipe gesture (change the current image).
  */
 SwipeOverlay.SWIPE_THRESHOLD = 100;