[Mac] Activate notifications on mouse *up*.

[Mac] Activate notifications on mouse *up*.

Buttons respond on mouse up. This is nice because it gives the user a
chance to change their mind by moving the mouse away from the button
before releasing.

This makes notifications behave the same way.

BUG=653862
Committed: https://crrev.com/e006b13348406840e21deaa6b77e7efb5862e960
Cr-Commit-Position: refs/heads/master@{#423877}

[Sidney San Martín, 2016-10-07 14:50:57]

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

[Avi (use Gerrit), 2016-10-07 16:11:10]

lgtm

👍

[Sidney San Martín, 2016-10-07 16:12:06]

The CQ bit was checked by sdy@chromium.org

[commit-bot: I haz the power, 2016-10-07 16:12:38]

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, 2016-10-07 16:27:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-07 16:31:18]

Description was changed from

==========
[Mac] Activate notifications on mouse *up*.

Buttons respond on mouse up. This is nice because it gives the user a
chance to change their mind by moving the mouse away from the button
before releasing.

This makes notifications behave the same way.

BUG=653862
==========

to

==========
[Mac] Activate notifications on mouse *up*.

Buttons respond on mouse up. This is nice because it gives the user a
chance to change their mind by moving the mouse away from the button
before releasing.

This makes notifications behave the same way.

BUG=653862

Committed: https://crrev.com/e006b13348406840e21deaa6b77e7efb5862e960
Cr-Commit-Position: refs/heads/master@{#423877}
==========

[commit-bot: I haz the power, 2016-10-07 16:31:20]

Patchset 1 (id:??) landed as
https://crrev.com/e006b13348406840e21deaa6b77e7efb5862e960
Cr-Commit-Position: refs/heads/master@{#423877}