Turn on verbose flag for compiling file_manager.

ui/file_manager/gallery/js/thumbnail_mode.js

 // Copyright 2015 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.
 
 /**
  * Thumbnail Mode.
  * @param {!HTMLElement} container A container.
  * @param {!ErrorBanner} errorBanner Error banner.
  * @param {!GalleryDataModel} dataModel Gallery data model.
  * @param {!cr.ui.ListSelectionModel} selectionModel List selection model.
@@ skipping 654 matching lines @@
     this.selectionModel_.selectRange(leadIndex, index);
   } else {
     assertNotReached();
   }
 
   this.selectionModel_.leadIndex = index;
 };
 
 /**
  * Inserts an item.
- * @param {!Gallery.Item} galleryItem A gallery item.
+ * @param {!GalleryItem} galleryItem A gallery item.
  * @param {!ThumbnailView.Thumbnail} insertBefore A thumbnail before which new
  *     thumbnail is inserted. Set null for adding at the end of the list.
  * @private
  */
 ThumbnailView.prototype.insert_ = function(galleryItem, insertBefore) {
   var thumbnail = new ThumbnailView.Thumbnail(galleryItem);
   this.thumbnails_[galleryItem.getEntry().toURL()] = thumbnail;
   if (insertBefore) {
     this.list_.insertBefore(
         thumbnail.getContainer(), insertBefore.getContainer());
   } else {
     this.list_.appendChild(thumbnail.getContainer());
   }
 
   // Set selection state.
   var index = this.dataModel_.indexOf(galleryItem);
   thumbnail.setSelected(this.selectionModel_.getIndexSelected(index));
 
   this.updateScrollBar_();
 };
 
 /**
  * Removes an item.
- * @param {!Gallery.Item} galleryItem A gallery item.
+ * @param {!GalleryItem} galleryItem A gallery item.
  * @private
  */
 ThumbnailView.prototype.remove_ = function(galleryItem) {
   var thumbnail = this.thumbnails_[galleryItem.getEntry().toURL()];
   this.list_.removeChild(thumbnail.getContainer());
   delete this.thumbnails_[galleryItem.getEntry().toURL()];
 };
 
 /**
  * Returns thumbnail instance at specified index.
@@ skipping 74 matching lines @@
   }
 
   var index = this.selectionModel_.leadIndex !== -1 ?
       this.selectionModel_.leadIndex : this.selectionModel_.selectedIndex;
   var thumbnail = this.getThumbnailAt_(index);
   thumbnail.getContainer().focus();
 };
 
 /**
  * Thumbnail.
- * @param {!Gallery.Item} galleryItem A gallery item.
+ * @param {!GalleryItem} galleryItem A gallery item.
  * @constructor
  * @struct
  */
 ThumbnailView.Thumbnail = function(galleryItem) {
   /**
-   * @private {!Gallery.Item}
+   * @private {!GalleryItem}
    */
   this.galleryItem_ = galleryItem;
 
   /**
    * @private {boolean}
    */
   this.selected_ = false;
 
   /**
    * @private {ThumbnailLoader}
@@ skipping 40 matching lines @@
 
   this.container_.style.height = ThumbnailView.ROW_HEIGHT + 'px';
   this.container_.getThumbnail =
       function(thumbnail) { return thumbnail; }.bind(null, this);
 
   this.update();
 };
 
 /**
  * Returns a gallery item.
- * @return {!Gallery.Item} A gallery item.
+ * @return {!GalleryItem} A gallery item.
  */
 ThumbnailView.Thumbnail.prototype.getGalleryItem = function() {
   return this.galleryItem_;
 };
 
 /**
  * Change selection state of this thumbnail.
  * @param {boolean} selected True to make this thumbnail selected.
  */
 ThumbnailView.Thumbnail.prototype.setSelected = function(selected) {
@@ skipping 144 matching lines @@
     };
     }.bind(this, this.thumbnailLoadRequestId_))
     .catch(function(requestId, error) {
       if (requestId !== this.thumbnailLoadRequestId_)
         return null;
 
       this.setError_(error);
       return null;
     }.bind(this, this.thumbnailLoadRequestId_));
 };