Files.app: Rename FileSystemMetadata with MetadataModel.

ui/file_manager/file_manager/main.html

Index: ui/file_manager/file_manager/main.html
diff --git a/ui/file_manager/file_manager/main.html b/ui/file_manager/file_manager/main.html
index 5600fccc927fb48e0164a8770080bf0bbbad7101..f3572ef277135bc2182cac8eaadfcb7d6b83d673 100644
--- a/ui/file_manager/file_manager/main.html
+++ b/ui/file_manager/file_manager/main.html
@@ -131,11 +131,12 @@
       <script src="foreground/js/launch_param.js"></script>
       <script src="foreground/js/metadata/content_metadata_provider.js"></script>
       <script src="foreground/js/metadata/external_metadata_provider.js"></script>
-      <script src="foreground/js/metadata/file_system_metadata.js"></script>
       <script src="foreground/js/metadata/file_system_metadata_provider.js"></script>
       <script src="foreground/js/metadata/metadata_cache.js"></script>
       <script src="foreground/js/metadata/metadata_cache_item.js"></script>
       <script src="foreground/js/metadata/metadata_item.js"></script>
+      <script src="foreground/js/metadata/metadata_model.js"></script>
+      <script src="foreground/js/metadata/multi_metadata_provider.js"></script>
       <script src="foreground/js/metadata_update_controller.js"></script>
       <script src="foreground/js/naming_controller.js"></script>
       <script src="foreground/js/navigation_list_model.js"></script>