FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
Committed: https://crrev.com/32c0cbefcb52226a0ec0765a2156d1c490377ec2
Cr-Commit-Position: refs/heads/master@{#436257}

[Takashi Toyoshima, 2016-12-05 08:14:59]

Description was changed from

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
==========

to

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
==========

[Takashi Toyoshima, 2016-12-05 08:14:59]

toyoshim@chromium.org changed reviewers:
+ yhirano@chromium.org

[Takashi Toyoshima, 2016-12-05 08:17:22]

ptal

[yhirano, 2016-12-05 09:14:11]

lgtm

[Takashi Toyoshima, 2016-12-05 09:21:54]

The CQ bit was checked by toyoshim@chromium.org

[commit-bot: I haz the power, 2016-12-05 09:22:03]

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, 2016-12-05 10:56:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480929714584180, "parent_rev":
"f229d6f37cddf9eae60fb44acbf9231ffff25293", "commit_rev":
"ce9a5479bce6bc409503f5659df6b4d9a2c5f96f"}

[commit-bot: I haz the power, 2016-12-05 10:57:20]

Description was changed from

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
==========

to

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
==========

[commit-bot: I haz the power, 2016-12-05 10:57:21]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-05 10:58:54]

Description was changed from

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638
==========

to

==========
FontResource: use CHECKs to confirm if crrev.com/2551823002 fixes the issue

This patch is intended to confirm if the previous change can fix the
issue that fires these CHECKs. Once this patch can survive for some
days, I'd change them to DCHECKs. Otherwise, I'd revert this patch, and
find another potential issues.

Please feel free to revert this patch when you notice some crashes
that are caused by this patch.

BUG=670638

Committed: https://crrev.com/32c0cbefcb52226a0ec0765a2156d1c490377ec2
Cr-Commit-Position: refs/heads/master@{#436257}
==========

[commit-bot: I haz the power, 2016-12-05 10:58:55]

Patchset 1 (id:??) landed as
https://crrev.com/32c0cbefcb52226a0ec0765a2156d1c490377ec2
Cr-Commit-Position: refs/heads/master@{#436257}