Remove unused instant_overlay_controller_mac.h/mm

Remove unused instant_overlay_controller_mac.h/mm

This hasn't been used in a *long* time. It's not referenced in any build
files, and its supposed base class doesn't exist anymore.

BUG=627747
Review-Url: https://codereview.chromium.org/2740993002
Cr-Commit-Position: refs/heads/master@{#455896}
Committed: https://chromium.googlesource.com/chromium/src/+/4fe3a084bcf7a2782c29498761186eac282306b5

[Marc Treib, 2017-03-09 16:50:37]

The CQ bit was checked by treib@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-03-09 16:51:12]

Dry run: 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, 2017-03-09 17:01:10]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2017-03-09 17:01:11]

Dry run: This issue passed the CQ dry run.

[Marc Treib, 2017-03-09 17:12:50]

treib@chromium.org changed reviewers:
+ avi@chromium.org

[Marc Treib, 2017-03-09 17:12:51]

PTAL at this tiny cleanup. Thanks!

[Avi (use Gerrit), 2017-03-09 18:51:17]

lgtm

[Marc Treib, 2017-03-09 23:01:51]

The CQ bit was checked by treib@chromium.org

[commit-bot: I haz the power, 2017-03-09 23:02:46]

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, 2017-03-09 23:23:44]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489100511728220, "parent_rev":
"8d651457cff4086e56e9861bc24ae1f127b590d6", "commit_rev":
"99feaf07b5fd8a14adb5f6666c1d023bafcd3c1d"}

[commit-bot: I haz the power, 2017-03-09 23:28:31]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489100511728220, "parent_rev":
"1b01baf4b87cc88316e7104046309ecc515f438a", "commit_rev":
"4fe3a084bcf7a2782c29498761186eac282306b5"}

[commit-bot: I haz the power, 2017-03-09 23:29:12]

Description was changed from

==========
Remove unused instant_overlay_controller_mac.h/mm

This hasn't been used in a *long* time. It's not referenced in any build
files, and its supposed base class doesn't exist anymore.

BUG=627747
==========

to

==========
Remove unused instant_overlay_controller_mac.h/mm

This hasn't been used in a *long* time. It's not referenced in any build
files, and its supposed base class doesn't exist anymore.

BUG=627747

Review-Url: https://codereview.chromium.org/2740993002
Cr-Commit-Position: refs/heads/master@{#455896}
Committed:
https://chromium.googlesource.com/chromium/src/+/4fe3a084bcf7a2782c2949876118...
==========

[commit-bot: I haz the power, 2017-03-09 23:29:13]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4fe3a084bcf7a2782c2949876118...