Fixed gear menu navigation using keyboard.

chrome/browser/resources/file_manager/css/file_manager.css

Index: chrome/browser/resources/file_manager/css/file_manager.css
diff --git a/chrome/browser/resources/file_manager/css/file_manager.css b/chrome/browser/resources/file_manager/css/file_manager.css
index 56bbe63a72e021b4f44886939b029b73a07f8882..589e706a11d6cbb7b9f4b4573eb3e00f5c84d187 100644
--- a/chrome/browser/resources/file_manager/css/file_manager.css
+++ b/chrome/browser/resources/file_manager/css/file_manager.css
@@ -1472,14 +1472,6 @@ body[type='full-page'] [visibleif]:not([visibleif~='full-page']) {
   display: none;
 }
 
-body:not([ctrl-pressing]) [required_attr='ctrl-pressing'] {
-  display: none;
-}
-
-body:not([drive]) [required_drive] {
-  display: none;
-}
-
 #gear-button::before {
   background-image: url('../images/files/ui/settings.svg');
   background-position: 20px center;