[File Manager] Cleanup: Moving js/css/html files to dedicated directories

chrome/browser/resources/file_manager/js/image_editor/gallery.js

Index: chrome/browser/resources/file_manager/js/image_editor/gallery.js
diff --git a/chrome/browser/resources/file_manager/js/image_editor/gallery.js b/chrome/browser/resources/file_manager/js/image_editor/gallery.js
index bc59ba1f6b349a90e5e3071cde46a1cc4e6b6898..ad15d5e00993491a09b482f4d21908652e1d72eb 100644
--- a/chrome/browser/resources/file_manager/js/image_editor/gallery.js
+++ b/chrome/browser/resources/file_manager/js/image_editor/gallery.js
@@ -1166,7 +1166,7 @@ Ribbon.Item.prototype.setMetadata = function(metadata) {
     url = this.url_;
     transform = metadata.imageTransform;
   } else {
-    url = '../../' + FileType.getPreviewArt(mediaType);
+    url = FileType.getPreviewArt(mediaType);
   }
 
   function percent(ratio) { return Math.round(ratio * 100) + '%' }