The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/37e83832b09332000ac68ff3ff62c7c49f946451

commit 37e83832b09332000ac68ff3ff62c7c49f946451
Author: Fabrice de Gans-Riberi <fdegans@chromium.org>
Date: Tue Jun 12 05:12:35 2018

Disable FilePathWatcherTest on Fuchsia.

This explicitly disables FilePathWatcherTest on Fuchsia and removes
the tests from the Fuchsia bot exclusion filter. FilePathWatcherImpl
is currently not implemented on Fuchsia.

Bug: 851641
Change-Id: I8e1a8067e2d6b2f2dcf6d65c9fa1661c785e2765
Reviewed-on: https://chromium-review.googlesource.com/1096275
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#566321}
[modify] https://crrev.com/37e83832b09332000ac68ff3ff62c7c49f946451/base/BUILD.gn
[modify] https://crrev.com/37e83832b09332000ac68ff3ff62c7c49f946451/testing/buildbot/filters/fuchsia.base_unittests.filter