GitLab

This implements the initial version of FileSystemScanner
(go/arc-fs-scanner).

Bug: b:145254635
Test: unit_tests --gtest_filter="Arc*"
Test: Manually populated a big file system and triggered different file
Test: system events.
Change-Id: I14bebb3719532afac54e1913229045fb2740a9ff
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1946177Reviewed-by: Hidehiko Abe <hidehiko@chromium.org>
Reviewed-by: Mattias Nissler <mnissler@chromium.org>
Commit-Queue: Umut Barış Öztunç <umutoztunc@google.com>
Auto-Submit: Umut Barış Öztunç <umutoztunc@google.com>
Cr-Commit-Position: refs/heads/master@{#727555}