[FilesTS] Convert keyboard_operations.js to typescript

Bug: b/319189127
Test: browser_tests --gtest_filter=KeyboardOperations/FilesAppBrowser*
Change-Id: Ibda37f12e1789038aec373af26a10e984d20e208
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5281241
Reviewed-by: Luciano Pacheco <[email protected]>
Commit-Queue: Ben Reich <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1259644}
diff --git a/ui/file_manager/integration_tests/BUILD.gn b/ui/file_manager/integration_tests/BUILD.gn
index db14aa20..9847dd8 100644
--- a/ui/file_manager/integration_tests/BUILD.gn
+++ b/ui/file_manager/integration_tests/BUILD.gn
@@ -31,7 +31,6 @@
   "file_manager/guest_os.js",
   "file_manager/holding_space.js",
   "file_manager/install_linux_package_dialog.js",
-  "file_manager/keyboard_operations.js",
   "file_manager/metadata.js",
   "file_manager/metrics.js",
   "file_manager/office.js",
@@ -109,8 +108,7 @@
 
   # "file_manager/install_linux_package_dialog.ts",
 
-  # "file_manager/keyboard_operations.ts",
-
+  "file_manager/keyboard_operations.ts",
   "file_manager/manage_dialog.ts",
 
   # "file_manager/metadata.ts",