Fix the potential crash on ChromeOS.

Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None

Committed: https://crrev.com/f90f5153c328c26417a0f66b9126dcb8830995e9
Cr-Commit-Position: refs/heads/master@{#385421}

[Azure Wei, 2016-04-06 06:13:10]

Description was changed from

==========
Fix the potential crash on InputImeAPI.

BUG=583365
TEST=None
==========

to

==========
Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None
==========

[Azure Wei, 2016-04-06 06:13:10]

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

[Azure Wei, 2016-04-06 06:13:26]

Hello Shu, please review this cl. Thank you!

[Shu Chen, 2016-04-06 08:40:46]

The CQ bit was checked by shuchen@chromium.org

[Shu Chen, 2016-04-06 08:40:47]

lgtm

[commit-bot: I haz the power, 2016-04-06 08:41:08]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1860413002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1860413002/1

[commit-bot: I haz the power, 2016-04-06 08:54:09]

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

[commit-bot: I haz the power, 2016-04-06 08:54:10]

Try jobs failed on following builders:
  chromeos_amd64-generic_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromeos_amd64-...)
  chromeos_daisy_chromium_compile_only_ng on tryserver.chromium.linux
(JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/chromeos_daisy_...)

[Azure Wei, 2016-04-06 09:02:31]

The CQ bit was checked by azurewei@chromium.org

[Azure Wei, 2016-04-06 09:02:32]

The patchset sent to the CQ was uploaded after l-g-t-m from shuchen@chromium.org
Link to the patchset: https://codereview.chromium.org/1860413002/#ps20001
(title: " ")

[commit-bot: I haz the power, 2016-04-06 09:02:51]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1860413002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1860413002/20001

[commit-bot: I haz the power, 2016-04-06 09:40:14]

Description was changed from

==========
Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None
==========

to

==========
Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None
==========

[commit-bot: I haz the power, 2016-04-06 09:40:14]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-04-06 09:41:14]

Description was changed from

==========
Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None
==========

to

==========
Fix the potential crash of ProfileCompare::operator() on ChromeOS.

BUG=583365
TEST=None

Committed: https://crrev.com/f90f5153c328c26417a0f66b9126dcb8830995e9
Cr-Commit-Position: refs/heads/master@{#385421}
==========

[commit-bot: I haz the power, 2016-04-06 09:41:15]

Patchset 2 (id:??) landed as
https://crrev.com/f90f5153c328c26417a0f66b9126dcb8830995e9
Cr-Commit-Position: refs/heads/master@{#385421}