[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 5d422c3107648f4487764ee74dab558924625585..4ee6d0a17834dd2907b60866113408b9cecd2d16 100644
--- a/chrome/browser/resources/file_manager/js/image_editor/gallery.js
+++ b/chrome/browser/resources/file_manager/js/image_editor/gallery.js
@@ -1184,7 +1184,7 @@ 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) + '%' }