Hide virtual keyboard before removing it from view hierarchy.

Hide virtual keyboard before removing it from view hierarchy.

BUG=303429
TEST=Manual. Check that no black area appears when the virtual
     keyboard moves between displays.

[yhanada, 2017-01-12 12:06:59]

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

[commit-bot: I haz the power, 2017-01-12 12:07:08]

Dry run: 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, 2017-01-12 12:34:42]

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

[commit-bot: I haz the power, 2017-01-12 12:34:43]

Dry run: This issue passed the CQ dry run.

[yhanada, 2017-01-12 12:48:17]

yhanada@chromium.org changed reviewers:
+ oshima@chromium.org

[yhanada, 2017-01-12 12:48:18]

Hi oshima, PTAL.

[oshima, 2017-01-13 00:56:33]

lgtm

[yhanada, 2017-01-13 01:08:40]

The CQ bit was checked by yhanada@chromium.org

[commit-bot: I haz the power, 2017-01-13 01:10:05]

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, 2017-01-13 02:01:45]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1484269720560620, "parent_rev":
"950c72c0aa7e425979082161e0100e774379f9f8", "commit_rev":
"e317130cc2b2a3b582685541c6a8b8ee1d8deb9c"}

[commit-bot: I haz the power, 2017-01-13 02:09:11]

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

[commit-bot: I haz the power, 2017-01-13 02:09:12]

Prior attempt to commit was detected, but we were not able to check whether the
issue was successfully committed. Please check Git history manually and re-check
CQ or close this issue as needed.

[yhanada, 2017-01-13 02:10:45]

Description was changed from

==========
Hide virtual keyboard before removing it from view hierarchy.

BUG=303429
TEST=Manual. Check that no black area appears when the virtual
     keyboard moves between displays.
==========

to

==========
Hide virtual keyboard before removing it from view hierarchy.

BUG=303429
TEST=Manual. Check that no black area appears when the virtual
     keyboard moves between displays.
==========