commit b7aab6184efe27f8fb5a1f961f64a35ae08c2dd1
author Rahul Singh <rahsin@microsoft.com> Fri Nov 08 23:05:52 2024
committer Chromium LUCI CQ <chromium-scoped@luci-project-accounts.iam.gserviceaccount.com> Fri Nov 08 23:05:52 2024
tree e96ea203b464423d04ba19d4d8cf3548726c31bf
parent 244c632fde6658a068b3209e9bd73f4d3c854b91

FSO: Destroy file observation in Local FS when parent disappears

This change updates FileSystemAccessLocalPathWatcher to watch the
parent directory for file observations. Then in the OnChanges() callback
method, when the current scope's watch type is kFile, we update the
`change_info` to align with a file watch vs. a directory watch.

This change also fixes an issue associated with directly watching a file
where calling close() on a writeable would result in an additional
`appeared` event as the crswap file overwrote the contents of the file.
Now that we are watching the parent directory, this correctly shows up
as a single `modified` event.

Bug: 350791549, 340584120, 353547877
Change-Id: I888f88470a259f4baba8c6e225b62c148ab37303
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/5941144
Reviewed-by: Daseul Lee <dslee@chromium.org>
Commit-Queue: Rahul Singh <rahsin@microsoft.com>
Reviewed-by: Nathan Memmott <memmott@chromium.org>
Cr-Commit-Position: refs/heads/main@{#1380676}