Turn on verbose flag for compiling file_manager.

ui/file_manager/gallery/js/thumbnail_mode.js

Index: ui/file_manager/gallery/js/thumbnail_mode.js
diff --git a/ui/file_manager/gallery/js/thumbnail_mode.js b/ui/file_manager/gallery/js/thumbnail_mode.js
index 1c3fb7c22db137d3c5956fa5c69a2322517da5ef..97cf82ed9e2daa5da430c2ad822e20ca3291900c 100644
--- a/ui/file_manager/gallery/js/thumbnail_mode.js
+++ b/ui/file_manager/gallery/js/thumbnail_mode.js
@@ -672,7 +672,7 @@ ThumbnailView.prototype.selectByThumbnail_ = function(
 
 /**
  * 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
@@ -696,7 +696,7 @@ ThumbnailView.prototype.insert_ = function(galleryItem, insertBefore) {
 
 /**
  * Removes an item.
- * @param {!Gallery.Item} galleryItem A gallery item.
+ * @param {!GalleryItem} galleryItem A gallery item.
  * @private
  */
 ThumbnailView.prototype.remove_ = function(galleryItem) {
@@ -791,13 +791,13 @@ ThumbnailView.prototype.focus = function() {
 
 /**
  * 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;
 
@@ -858,7 +858,7 @@ ThumbnailView.Thumbnail = function(galleryItem) {
 
 /**
  * Returns a gallery item.
- * @return {!Gallery.Item} A gallery item.
+ * @return {!GalleryItem} A gallery item.
  */
 ThumbnailView.Thumbnail.prototype.getGalleryItem = function() {
   return this.galleryItem_;