Random clean up around Chrome OS file manager code.

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.
 
 'use strict';
 
 /**
  * Called from the main frame when unloading.
  * @param {boolean=} opt_exiting True if the app is exiting.
  */
@@ skipping 150 matching lines @@
 
   // Evict caches.
   var contentCacheCount = 0;
   var screenCacheCount = 0;
   for (var i = 0; i < sorted.length; i++) {
     if (sorted[i].contentImage) {
       if (++contentCacheCount > GalleryDataModel.MAX_FULL_IMAGE_CACHE_) {
         if (sorted[i].contentImage.parentNode) {
           console.error('The content image has a parent node.');
         } else {
-          // Force to free the buffer of the canvas by assinng zero size.
+          // Force to free the buffer of the canvas by assigning zero size.
           sorted[i].contentImage.width = 0;
           sorted[i].contentImage.height = 0;
           sorted[i].contentImage = null;
         }
       }
     }
     if (sorted[i].screenImage) {
       if (++screenCacheCount > GalleryDataModel.MAX_SCREEN_IMAGE_CACHE_) {
         if (sorted[i].screenImage.parentNode) {
           console.error('The screen image has a parent node.');
         } else {
-          // Force to free the buffer of the canvas by assinng zero size.
+          // Force to free the buffer of the canvas by assigning zero size.
           sorted[i].screenImage.width = 0;
           sorted[i].screenImage.height = 0;
           sorted[i].screenImage = null;
         }
       }
     }
   }
 };
 
 /**
@@ skipping 50 matching lines @@
 
 /**
  * First time tools fade-out timeout in milliseconds.
  * @const
  * @type {number}
  */
 Gallery.FIRST_FADE_TIMEOUT = 1000;
 
 /**
  * Time until mosaic is initialized in the background. Used to make gallery
- * in the slide mode load faster. In miiliseconds.
+ * in the slide mode load faster. In milliseconds.
  * @const
  * @type {number}
  */
 Gallery.MOSAIC_BACKGROUND_INIT_DELAY = 1000;
 
 /**
  * Types of metadata Gallery uses (to query the metadata cache).
  * @const
  * @type {string}
  */
@@ skipping 676 matching lines @@
   window.loadTimeData.data = backgroundComponents.stringData;
   gallery = new Gallery(backgroundComponents.volumeManager);
 };
 
 /**
  * Loads entries.
  */
 window.loadEntries = function(entries, selectedEntries) {
   gallery.load(entries, selectedEntries);
 };