[Extensions UI] Fix a bug in the extension message bubbles

[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to extension_message_bubble_browsertest_mac.mm)

Committed: https://crrev.com/6b011081f35728dd3bcebc4fe894ed2542d960da
Cr-Commit-Position: refs/heads/master@{#391305}

[Devlin, 2016-04-29 23:09:42]

rdevlin.cronin@chromium.org changed reviewers:
+ finnur@chromium.org

[Devlin, 2016-04-29 23:09:43]

Finnur, mind taking a look?  Our favorite "one line fix, 40 line test" combo.

[Devlin, 2016-05-03 05:26:03]

On 2016/04/29 23:09:43, Devlin wrote:
> Finnur, mind taking a look?  Our favorite "one line fix, 40 line test" combo.

Friendly ping -> Finnur (just making sure this doesn't get lost in the inbox)

[Finnur, 2016-05-03 09:00:41]

LGTM. 

(Sorry for the late reply, I was OOO Friday and Monday and forgot to update
Rietveld to match).

[Devlin, 2016-05-03 17:45:33]

The CQ bit was checked by rdevlin.cronin@chromium.org

[commit-bot: I haz the power, 2016-05-03 17:46:04]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1936763002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1936763002/1

[commit-bot: I haz the power, 2016-05-03 17:56:50]

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

[commit-bot: I haz the power, 2016-05-03 17:56:51]

Try jobs failed on following builders:
  chromium_presubmit on tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromium_presub...)

[Devlin, 2016-05-03 18:15:26]

Description was changed from

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
==========

to

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to
extension_message_bubble_browsertest_mac.mm)
==========

[Devlin, 2016-05-03 18:15:30]

The CQ bit was checked by rdevlin.cronin@chromium.org

[commit-bot: I haz the power, 2016-05-03 18:15:45]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1936763002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1936763002/1

[commit-bot: I haz the power, 2016-05-03 18:24:42]

Description was changed from

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to
extension_message_bubble_browsertest_mac.mm)
==========

to

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to
extension_message_bubble_browsertest_mac.mm)
==========

[commit-bot: I haz the power, 2016-05-03 18:24:43]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-03 18:26:20]

Description was changed from

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to
extension_message_bubble_browsertest_mac.mm)
==========

to

==========
[Extensions UI] Fix a bug in the extension message bubbles

We weren't calling OnShown(), so message bubbles weren't recording that they
were displayed for a given profile. Fix, and add a regression test.

BUG=607099
TBR=avi@chromium.org (micro change to
extension_message_bubble_browsertest_mac.mm)

Committed: https://crrev.com/6b011081f35728dd3bcebc4fe894ed2542d960da
Cr-Commit-Position: refs/heads/master@{#391305}
==========

[commit-bot: I haz the power, 2016-05-03 18:26:21]

Patchset 1 (id:??) landed as
https://crrev.com/6b011081f35728dd3bcebc4fe894ed2542d960da
Cr-Commit-Position: refs/heads/master@{#391305}