[CUPS] Fix the occasional crash when switching between different dialogs.

[CUPS] Fix the occasional crash when switching between different dialogs.

We had some feedback from the testing team: Chrome crashes something -
typically when switching between the printer discovery dialog and the
manually add printer dialog.

BUG=662077, 626752
Committed: https://crrev.com/e199cde96ef5e0f486624339b41cc72f3e3793ec
Cr-Commit-Position: refs/heads/master@{#429648}

[xdai1, 2016-11-03 17:21:26]

xdai@chromium.org changed reviewers:
+ skau@chromium.org

[xdai1, 2016-11-03 17:21:26]

skau@, could you help review this CL please? Thanks!

[xdai1, 2016-11-03 17:21:35]

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

[commit-bot: I haz the power, 2016-11-03 17:22:02]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[skau, 2016-11-03 17:53:54]

lgtm

Thanks for the fix.  I would not have thought this was the cause of that crash.

[skau, 2016-11-03 17:53:55]

lgtm

Thanks for the fix.  I would not have thought this was the cause of that crash.

[commit-bot: I haz the power, 2016-11-03 17:57:54]

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

[commit-bot: I haz the power, 2016-11-03 17:58:00]

Dry run: This issue passed the CQ dry run.

[xdai1, 2016-11-03 17:58:41]

The CQ bit was checked by xdai@chromium.org

[commit-bot: I haz the power, 2016-11-03 17:59:25]

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, 2016-11-03 18:07:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-03 18:14:36]

Description was changed from

==========
[CUPS] Fix the occasional crash when switching between different dialogs.

We had some feedback from the testing team: Chrome crashes something -
typically when switching between the printer discovery dialog and the
manually add printer dialog.

BUG=662077, 626752
==========

to

==========
[CUPS] Fix the occasional crash when switching between different dialogs.

We had some feedback from the testing team: Chrome crashes something -
typically when switching between the printer discovery dialog and the
manually add printer dialog.

BUG=662077, 626752

Committed: https://crrev.com/e199cde96ef5e0f486624339b41cc72f3e3793ec
Cr-Commit-Position: refs/heads/master@{#429648}
==========

[commit-bot: I haz the power, 2016-11-03 18:14:38]

Patchset 1 (id:??) landed as
https://crrev.com/e199cde96ef5e0f486624339b41cc72f3e3793ec
Cr-Commit-Position: refs/heads/master@{#429648}