For desktop tab sharing in mac, activate selected tab

For desktop tab sharing in mac, activate selected tab

This CL mimics the code for desktop platforms other than mac in https://codereview.chromium.org/1805583002/

BUG=594722
Committed: https://crrev.com/67d45bc3c87f99d13559ed6623fe4c674642330e
Cr-Commit-Position: refs/heads/master@{#381491}

[GeorgeZ, 2016-03-16 16:59:25]

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

[GeorgeZ, 2016-03-16 16:59:26]

Avi,

Could you please take a look of this CL?

Thanks,

[Avi (use Gerrit), 2016-03-16 17:04:51]

lgtm

[GeorgeZ, 2016-03-16 17:07:01]

The CQ bit was checked by gyzhou@chromium.org

[commit-bot: I haz the power, 2016-03-16 17:07:38]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1812543002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1812543002/1

[commit-bot: I haz the power, 2016-03-16 17:56:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-16 17:58:21]

Description was changed from

==========
For desktop tab sharing in mac, activate selected tab

This CL mimics the code for desktop platforms other than mac in
https://codereview.chromium.org/1805583002/

BUG=594722
==========

to

==========
For desktop tab sharing in mac, activate selected tab

This CL mimics the code for desktop platforms other than mac in
https://codereview.chromium.org/1805583002/

BUG=594722

Committed: https://crrev.com/67d45bc3c87f99d13559ed6623fe4c674642330e
Cr-Commit-Position: refs/heads/master@{#381491}
==========

[commit-bot: I haz the power, 2016-03-16 17:58:22]

Patchset 1 (id:??) landed as
https://crrev.com/67d45bc3c87f99d13559ed6623fe4c674642330e
Cr-Commit-Position: refs/heads/master@{#381491}