Don't crash if WebAXObject::characterOffsets doesn't return any bounds.

Don't crash if WebAXObject::characterOffsets doesn't return any bounds.

This is just a fix in the test_runner, it had a DCHECK if we requested
character bounds for an element that wasn't able to return any, but
clusterfuzz treated that as a crash.

BUG=638220
Committed: https://crrev.com/1c7b9c439b6a0437e724d5a22311f81287d74a21
Cr-Commit-Position: refs/heads/master@{#416068}

[dmazzoni, 2016-08-31 17:04:12]

dmazzoni@chromium.org changed reviewers:
+ aboxhall@chromium.org

[dmazzoni, 2016-08-31 17:04:15]

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

[commit-bot: I haz the power, 2016-08-31 17:04:30]

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, 2016-08-31 18:47:05]

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

[commit-bot: I haz the power, 2016-08-31 18:47:06]

Dry run: This issue passed the CQ dry run.

[aboxhall, 2016-09-01 19:59:28]

lgtm

[dmazzoni, 2016-09-01 20:12:13]

The CQ bit was checked by dmazzoni@chromium.org

[commit-bot: I haz the power, 2016-09-01 20:13:05]

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, 2016-09-01 21:45:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-01 21:47:38]

Description was changed from

==========
Don't crash if WebAXObject::characterOffsets doesn't return any bounds.

This is just a fix in the test_runner, it had a DCHECK if we requested
character bounds for an element that wasn't able to return any, but
clusterfuzz treated that as a crash.

BUG=638220
==========

to

==========
Don't crash if WebAXObject::characterOffsets doesn't return any bounds.

This is just a fix in the test_runner, it had a DCHECK if we requested
character bounds for an element that wasn't able to return any, but
clusterfuzz treated that as a crash.

BUG=638220

Committed: https://crrev.com/1c7b9c439b6a0437e724d5a22311f81287d74a21
Cr-Commit-Position: refs/heads/master@{#416068}
==========

[commit-bot: I haz the power, 2016-09-01 21:47:39]

Patchset 1 (id:??) landed as
https://crrev.com/1c7b9c439b6a0437e724d5a22311f81287d74a21
Cr-Commit-Position: refs/heads/master@{#416068}