The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/2a44e11af606669bdc493e9b60db608b6e008589

commit 2a44e11af606669bdc493e9b60db608b6e008589
Author: oshima <oshima@chromium.org>
Date: Thu Jun 23 17:59:18 2016

Run exo_unittests in waterfall

BUG= 622398 

Review-Url: https://codereview.chromium.org/2086833004
Cr-Commit-Position: refs/heads/master@{#401650}

[modify] https://crrev.com/2a44e11af606669bdc493e9b60db608b6e008589/components/exo/BUILD.gn
[modify] https://crrev.com/2a44e11af606669bdc493e9b60db608b6e008589/components/exo/display_unittest.cc
[modify] https://crrev.com/2a44e11af606669bdc493e9b60db608b6e008589/components/exo/wayland/server_unittest.cc
[modify] https://crrev.com/2a44e11af606669bdc493e9b60db608b6e008589/testing/buildbot/chromium.chromiumos.json
[modify] https://crrev.com/2a44e11af606669bdc493e9b60db608b6e008589/testing/buildbot/gn_isolate_map.pyl

bulk verified