Check if the focused view is valid

Check if the focused view is valid

BUG=687232
Review-Url: https://codereview.chromium.org/2691183002
Cr-Commit-Position: refs/heads/master@{#450263}
Committed: https://chromium.googlesource.com/chromium/src/+/33c1e1d128713823e6fcc89deaaa92d7f832bdd5

[oshima, 2017-02-14 02:34:32]

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

[commit-bot: I haz the power, 2017-02-14 02:35:35]

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

[oshima, 2017-02-14 02:43:44]

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

[commit-bot: I haz the power, 2017-02-14 02:44:25]

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

[oshima, 2017-02-14 02:44:44]

Description was changed from

==========
make sure that the focused view is valid

BUG=
==========

to

==========
Check if the focused view is valid

BUG=687232
==========

[oshima, 2017-02-14 02:44:44]

oshima@chromium.org changed reviewers:
+ achuith@chromium.org, sky@chromium.org

[achuithb, 2017-02-14 03:47:40]

lgtm since this CHECK seems to implement Scott's suggestion in 
https://bugs.chromium.org/p/chromium/issues/detail?id=687232#c5

[sky, 2017-02-14 04:23:16]

LGTM

[commit-bot: I haz the power, 2017-02-14 04:24:09]

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

[commit-bot: I haz the power, 2017-02-14 04:24:10]

Dry run: This issue passed the CQ dry run.

[oshima, 2017-02-14 05:11:19]

The CQ bit was checked by oshima@chromium.org

[commit-bot: I haz the power, 2017-02-14 05:12:06]

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, 2017-02-14 05:24:16]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1487049079414220,
"parent_rev": "6dea27a6f0ca956625a8646c047b3262b0d307a4", "commit_rev":
"33c1e1d128713823e6fcc89deaaa92d7f832bdd5"}

[commit-bot: I haz the power, 2017-02-14 05:24:49]

Description was changed from

==========
Check if the focused view is valid

BUG=687232
==========

to

==========
Check if the focused view is valid

BUG=687232

Review-Url: https://codereview.chromium.org/2691183002
Cr-Commit-Position: refs/heads/master@{#450263}
Committed:
https://chromium.googlesource.com/chromium/src/+/33c1e1d128713823e6fcc89deaaa...
==========

[commit-bot: I haz the power, 2017-02-14 05:24:50]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/33c1e1d128713823e6fcc89deaaa...