Fix opt-in IME menu crash.

Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.

Committed: https://crrev.com/d13360c1060219cd5a2d8085fab433a8f49d414a
Cr-Commit-Position: refs/heads/master@{#424049}

[Azure Wei, 2016-10-06 08:06:02]

Description was changed from

==========
Fix opt-in IME menu crash.

BUG=650287
TEST=Verified on local build.
==========

to

==========
Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in
TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.
==========

[Azure Wei, 2016-10-06 08:06:03]

azurewei@chromium.org changed reviewers:
+ tdanderson@chromium.org

[Azure Wei, 2016-10-06 08:06:23]

Please review this cl. Thanks!

[tdanderson, 2016-10-06 13:57:54]

LGTM

[Azure Wei, 2016-10-08 02:01:31]

The CQ bit was checked by azurewei@chromium.org

[commit-bot: I haz the power, 2016-10-08 02:01:53]

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, 2016-10-08 02:44:56]

Description was changed from

==========
Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in
TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.
==========

to

==========
Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in
TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.
==========

[commit-bot: I haz the power, 2016-10-08 02:44:57]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-08 02:46:54]

Description was changed from

==========
Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in
TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.
==========

to

==========
Fix opt-in IME menu crash.

The crash is caused by the unsafely accessing of |title_row_| in
TrayDetailsView, which is null for opt-in IME menu.
Fix the crash by adding the check of |title_row_|.

BUG=650287
TEST=Verified on local build.

Committed: https://crrev.com/d13360c1060219cd5a2d8085fab433a8f49d414a
Cr-Commit-Position: refs/heads/master@{#424049}
==========

[commit-bot: I haz the power, 2016-10-08 02:46:55]

Patchset 1 (id:??) landed as
https://crrev.com/d13360c1060219cd5a2d8085fab433a8f49d414a
Cr-Commit-Position: refs/heads/master@{#424049}