Compile Image Editor in gyp v2

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 a2a2d3cf4c3b507d80677f7a2614479e895ae55b..a965c2e14aaeaf39d8702dc7ef1e381cf98b6c54 100644
--- a/ui/file_manager/gallery/js/thumbnail_mode.js
+++ b/ui/file_manager/gallery/js/thumbnail_mode.js
@@ -443,9 +443,9 @@ ThumbnailView.prototype.moveSelection_ = function(direction, selectRange) {
 ThumbnailView.prototype.scrollTo_ = function(index) {
   var thumbnailRect = this.getThumbnailRect(index);
 
-  if (thumbnailRect.top - ThumbnailView.MARGIN < ImageEditor.Toolbar.HEIGHT) {
+  if (thumbnailRect.top - ThumbnailView.MARGIN < ImageEditorToolbar.HEIGHT) {
     this.container_.scrollTop -=
-        ImageEditor.Toolbar.HEIGHT - thumbnailRect.top + ThumbnailView.MARGIN;
+        ImageEditorToolbar.HEIGHT - thumbnailRect.top + ThumbnailView.MARGIN;
   } else if (thumbnailRect.bottom + ThumbnailView.MARGIN >
       this.container_.clientHeight) {
     this.container_.scrollTop += thumbnailRect.bottom + ThumbnailView.MARGIN -