Files.app: Rename FileSystemMetadata with MetadataModel.

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 00f049b80a2b8c4f52ff573b91751e72a313e374..b012927a7cf345a88e890afb3525f8f6e7bc764c 100644
--- a/ui/file_manager/gallery/gallery.html
+++ b/ui/file_manager/gallery/gallery.html
@@ -54,14 +54,15 @@
     <script src="../file_manager/common/js/volume_manager_common.js"></script>
 
     <script src="../file_manager/foreground/js/metadata/content_metadata_provider.js"></script>
+    <script src="../file_manager/foreground/js/metadata/exif_constants.js"></script>
     <script src="../file_manager/foreground/js/metadata/external_metadata_provider.js"></script>
-    <script src="../file_manager/foreground/js/metadata/file_system_metadata.js"></script>
     <script src="../file_manager/foreground/js/metadata/file_system_metadata_provider.js"></script>
     <script src="../file_manager/foreground/js/metadata/metadata_cache.js"></script>
     <script src="../file_manager/foreground/js/metadata/metadata_cache_item.js"></script>
     <script src="../file_manager/foreground/js/metadata/metadata_item.js"></script>
+    <script src="../file_manager/foreground/js/metadata/metadata_model.js"></script>
+    <script src="../file_manager/foreground/js/metadata/multi_metadata_provider.js"></script>
     <script src="../file_manager/foreground/js/metadata/thumbnail_model.js"></script>
-    <script src="../file_manager/foreground/js/metadata/exif_constants.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>