GitLab

We can filter recent files from RecentDriveSource by specifying mime
type to the query for DriveFS.

Bug: 1040049
Test: Manually tested by checking result from Google Drive.
Change-Id: I798965c0544a35daf94e73d54bde4516646f8d1a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1993065
Commit-Queue: Naoki Fukino <fukino@chromium.org>
Reviewed-by: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#733574}