GitLab

Do not show the move-to-windows-files dialog for files which are already
in that folder. When the VM has not yet started, this folder is not yet
shared so we must check for it.

Bug: 1140331
Change-Id: I4cd735f192845ebe118a6e1e2b6e85e2c76b49d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2486902
Commit-Queue: Timothy Loh <timloh@chromium.org>
Reviewed-by: Timothy Loh <timloh@chromium.org>
Auto-Submit: Joel Hockey <joelhockey@chromium.org>
Cr-Commit-Position: refs/heads/master@{#818807}