[FilesTS] Convert context_menu.js to typescript

Bug: b/319189127
Test: browser_tests --gtest_filter=ContextMenu/FilesAppBrowserTest.Test*
Change-Id: I91da74aa88a1131834a03c88b3293b8d5d1febed
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5289837
Reviewed-by: Luciano Pacheco <[email protected]>
Commit-Queue: Ben Reich <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1260286}
diff --git a/ui/file_manager/integration_tests/BUILD.gn b/ui/file_manager/integration_tests/BUILD.gn
index ff1569c..c48e7a6 100644
--- a/ui/file_manager/integration_tests/BUILD.gn
+++ b/ui/file_manager/integration_tests/BUILD.gn
@@ -12,7 +12,6 @@
 
   # File Manager.
   "file_manager/background.js",
-  "file_manager/context_menu.js",
   "file_manager/directory_tree_context_menu.js",
   "file_manager/dlp.js",
   "file_manager/dlp_enterprise_connectors.js",
@@ -44,7 +43,7 @@
   "file_manager/choose_entry.ts",
   "file_manager/choose_entry_const.ts",
 
-  # "file_manager/context_menu.ts",
+  "file_manager/context_menu.ts",
 
   "file_manager/copy_between_windows.ts",
   "file_manager/create_new_folder.ts",