Don't attempt to show validation bubble for unparented web contents.

Don't attempt to show validation bubble for unparented web contents.

This fix is speculative because I can't actually repro the bug.

BUG=616990
Committed: https://crrev.com/ba9261ea5d0e1f9a8a29657d8f8fb369d9e9143d
Cr-Commit-Position: refs/heads/master@{#402349}

[Evan Stade, 2016-06-27 23:16:04]

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

[Evan Stade, 2016-06-27 23:16:09]

estade@chromium.org changed reviewers:
+ sky@chromium.org

[commit-bot: I haz the power, 2016-06-27 23:17:32]

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

[sky, 2016-06-27 23:27:25]

LGTM

[Evan Stade, 2016-06-27 23:42:16]

The CQ bit was unchecked by estade@chromium.org

[Evan Stade, 2016-06-27 23:42:18]

The CQ bit was checked by estade@chromium.org

[commit-bot: I haz the power, 2016-06-27 23:42:44]

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, 2016-06-28 00:47:24]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-06-28 00:50:18]

Description was changed from

==========
Don't attempt to show validation bubble for unparented web contents.

This fix is speculative because I can't actually repro the bug.

BUG=616990
==========

to

==========
Don't attempt to show validation bubble for unparented web contents.

This fix is speculative because I can't actually repro the bug.

BUG=616990

Committed: https://crrev.com/ba9261ea5d0e1f9a8a29657d8f8fb369d9e9143d
Cr-Commit-Position: refs/heads/master@{#402349}
==========

[commit-bot: I haz the power, 2016-06-28 00:50:19]

Patchset 2 (id:??) landed as
https://crrev.com/ba9261ea5d0e1f9a8a29657d8f8fb369d9e9143d
Cr-Commit-Position: refs/heads/master@{#402349}