Files.app: Move UI related sources into the ui directory.

ui/file_manager/gallery/gallery.html

Index: ui/file_manager/gallery/gallery.html
diff --git a/ui/file_manager/gallery/gallery.html b/ui/file_manager/gallery/gallery.html
index 7776127efd38d48e86cc85eab0d4e1e2c73c5a9a..2dbc5ef9ba169ec1ea982b9ed933ec692e8f8d49 100644
--- a/ui/file_manager/gallery/gallery.html
+++ b/ui/file_manager/gallery/gallery.html
@@ -45,7 +45,12 @@
     <script src="../file_manager/common/js/volume_manager_common.js"></script>
 
     <script src="../file_manager/foreground/js/file_type.js"></script>
+    <script src="../file_manager/foreground/js/metadata/metadata_cache.js"></script>
+    <script src="../file_manager/foreground/js/mouse_inactivity_watcher.js"></script>
+    <script src="../file_manager/foreground/js/share_client.js"></script>
     <script src="../file_manager/foreground/js/thumbnail_loader.js"></script>
+    <script src="../file_manager/foreground/js/ui/file_manager_dialog_base.js"></script>
+    <script src="../file_manager/foreground/js/ui/share_dialog.js"></script>
     <script src="../file_manager/foreground/js/volume_manager_wrapper.js"></script>
 
     <script src="js/image_editor/image_util.js"></script>
@@ -60,11 +65,6 @@
     <script src="js/image_editor/image_encoder.js"></script>
     <script src="js/image_editor/exif_encoder.js"></script>
 
-    <script src="../file_manager/foreground/js/metadata/metadata_cache.js"></script>
-    <script src="../file_manager/foreground/js/mouse_inactivity_watcher.js"></script>
-    <script src="../file_manager/foreground/js/share_client.js"></script>
-    <script src="../file_manager/foreground/js/share_dialog.js"></script>
-
     <script src="js/gallery.js"></script>
     <script src="js/gallery_item.js"></script>
     <script src="js/mosaic_mode.js"></script>