Fix host browser picking dialogs hanging after dismiss.

Fix host browser picking dialogs hanging after dismiss.

Set a listener for OnDismiss events.

BUG=738504
Review-Url: https://codereview.chromium.org/2966843002
Cr-Commit-Position: refs/heads/master@{#483811}
Committed: https://chromium.googlesource.com/chromium/src/+/dcfac70ed37adf7f16a305f1e8b0287d796764d9

[Xi Han, 2017-06-30 18:35:50]

Description was changed from

==========
Fix host browser picking dialogs hang after dismiss.

Set a listener for OnDismiss events.

BUG=738504
==========

to

==========
Fix host browser picking dialogs hanging after dismiss.

Set a listener for OnDismiss events.

BUG=738504
==========

[Xi Han, 2017-06-30 18:37:18]

hanxi@chromium.org changed reviewers:
+ yfriedman@chromium.org

[Xi Han, 2017-06-30 18:37:19]

Hi Yaron, could you please take a look? Thanks!

[Yaron, 2017-06-30 18:48:54]

The CQ bit was checked by yfriedman@chromium.org

[Yaron, 2017-06-30 18:48:54]

lgtm

[commit-bot: I haz the power, 2017-06-30 18:49:13]

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, 2017-06-30 20:46:14]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498848534274680, "parent_rev":
"85924d05ddaa953d5907c9b9096beff8269aae14", "commit_rev":
"dcfac70ed37adf7f16a305f1e8b0287d796764d9"}

[commit-bot: I haz the power, 2017-06-30 20:46:32]

Description was changed from

==========
Fix host browser picking dialogs hanging after dismiss.

Set a listener for OnDismiss events.

BUG=738504
==========

to

==========
Fix host browser picking dialogs hanging after dismiss.

Set a listener for OnDismiss events.

BUG=738504

Review-Url: https://codereview.chromium.org/2966843002
Cr-Commit-Position: refs/heads/master@{#483811}
Committed:
https://chromium.googlesource.com/chromium/src/+/dcfac70ed37adf7f16a305f1e8b0...
==========

[commit-bot: I haz the power, 2017-06-30 20:46:34]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/dcfac70ed37adf7f16a305f1e8b0...