Get rid of mountPath dependency in Files app.

chrome/browser/chromeos/extensions/file_manager/event_router.cc

Index: chrome/browser/chromeos/extensions/file_manager/event_router.cc
diff --git a/chrome/browser/chromeos/extensions/file_manager/event_router.cc b/chrome/browser/chromeos/extensions/file_manager/event_router.cc
index 18d769048299b9a3f3169b478d3d8b9351f263b5..b81ad757c6898a95e1a5e1003582524c301f3dc4 100644
--- a/chrome/browser/chromeos/extensions/file_manager/event_router.cc
+++ b/chrome/browser/chromeos/extensions/file_manager/event_router.cc
@@ -249,12 +249,6 @@ void BroadcastMountCompletedEvent(
       profile, volume_info, &event.volume_metadata);
   event.is_remounting = is_remounting;
 
-  if (!volume_info.mount_path.empty() &&
-      event.volume_metadata.mount_path.empty()) {
-    event.status =
-        file_browser_private::MOUNT_COMPLETED_STATUS_ERROR_PATH_UNMOUNTED;
-  }
-
   BroadcastEvent(
       profile,
       file_browser_private::OnMountCompleted::kEventName,