exo: Revert workaround for multi-display ARC

exo: Revert workaround for multi-display ARC

The workaround to confine ARC windows to the primary display is no
longer needed now that ARC supports multiple displays.

BUG=718627
TEST=Extended desktop mode works for ARC and other clients.

Review-Url: https://codereview.chromium.org/2862173004
Cr-Commit-Position: refs/heads/master@{#476441}
Committed: https://chromium.googlesource.com/chromium/src/+/5a9773f8cbe6852865a4168c32bd56d5bd09218a

[Dominik Laskowski, 2017-05-06 00:56:24]

domlaskowski@chromium.org changed reviewers:
+ reveman@chromium.org

[Dominik Laskowski, 2017-05-06 00:56:24]

PTAL.

[reveman, 2017-05-10 16:04:54]

lgtm

[Dominik Laskowski, 2017-06-01 20:48:55]

The CQ bit was checked by domlaskowski@chromium.org

[Dominik Laskowski, 2017-06-01 20:48:55]

The patchset sent to the CQ was uploaded after l-g-t-m from reveman@chromium.org
Link to the patchset: https://codereview.chromium.org/2862173004/#ps20001
(title: "Rebase")

[commit-bot: I haz the power, 2017-06-01 20:49:22]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-06-01 21:25:53]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1496350135210480,
"parent_rev": "bdcf8951a275f7f572ea15bdfe921ed222598159", "commit_rev":
"5a9773f8cbe6852865a4168c32bd56d5bd09218a"}

[commit-bot: I haz the power, 2017-06-01 21:26:06]

Description was changed from

==========
exo: Revert workaround for multi-display ARC

The workaround to confine ARC windows to the primary display is no
longer needed now that ARC supports multiple displays.

BUG=718627
TEST=Extended desktop mode works for ARC and other clients.
==========

to

==========
exo: Revert workaround for multi-display ARC

The workaround to confine ARC windows to the primary display is no
longer needed now that ARC supports multiple displays.

BUG=718627
TEST=Extended desktop mode works for ARC and other clients.

Review-Url: https://codereview.chromium.org/2862173004
Cr-Commit-Position: refs/heads/master@{#476441}
Committed:
https://chromium.googlesource.com/chromium/src/+/5a9773f8cbe6852865a4168c32bd...
==========

[commit-bot: I haz the power, 2017-06-01 21:26:07]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/5a9773f8cbe6852865a4168c32bd...