Fix null-check in SVGLengthContext::convertValueFromCHSToUserUnits

Fix null-check in SVGLengthContext::convertValueFromCHSToUserUnits

BUG=657438
R=pdr@chromium.org

Committed: https://crrev.com/ca7b171d703b3bc08e2a141901a1640a913ef95a
Cr-Commit-Position: refs/heads/master@{#426987}

[pdr., 2016-10-21 22:15:07]

On 2016/10/21 at 22:14:32, eae wrote:
> 

LGTM

[pdr., 2016-10-21 22:15:11]

The CQ bit was checked by pdr@chromium.org

[eae, 2016-10-21 22:15:17]

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

[commit-bot: I haz the power, 2016-10-21 22:15:53]

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

[eae, 2016-10-21 22:28:59]

Thanks. This was due to a silly mistake in my last patch. Luckily clusterfuzz
caught it :)

[eae, 2016-10-21 22:40:59]

The CQ bit was unchecked by eae@chromium.org

[eae, 2016-10-21 22:41:03]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2016-10-21 22:41:30]

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, 2016-10-22 02:18:17]

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

[commit-bot: I haz the power, 2016-10-22 02:18:18]

Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[eae, 2016-10-22 05:22:47]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2016-10-22 05:23:01]

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, 2016-10-22 06:54:33]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-22 06:56:31]

Description was changed from

==========
Fix null-check in SVGLengthContext::convertValueFromCHSToUserUnits

BUG=657438
R=pdr@chromium.org
==========

to

==========
Fix null-check in SVGLengthContext::convertValueFromCHSToUserUnits

BUG=657438
R=pdr@chromium.org

Committed: https://crrev.com/ca7b171d703b3bc08e2a141901a1640a913ef95a
Cr-Commit-Position: refs/heads/master@{#426987}
==========

[commit-bot: I haz the power, 2016-10-22 06:56:32]

Patchset 1 (id:??) landed as
https://crrev.com/ca7b171d703b3bc08e2a141901a1640a913ef95a
Cr-Commit-Position: refs/heads/master@{#426987}