Add check that the CSSValue is a valid type in CSSTransformComponent before casting

Add check that the CSSValue is a valid type in CSSTransformComponent before casting.

BUG=641995
Committed: https://crrev.com/5c7a196f1f2a29d7e71b5dcf2051dbe0625d6519
Cr-Commit-Position: refs/heads/master@{#417535}

[meade_UTC10, 2016-09-05 04:27:13]

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

[commit-bot: I haz the power, 2016-09-05 04:27:19]

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

[meade_UTC10, 2016-09-05 04:55:42]

Description was changed from

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting

BUG=641995
==========

to

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting

I'm not really sure how this is happening, and I haven't
been able to reproduce this locally, but this is a
defensive fix that should work.

BUG=641995
==========

[meade_UTC10, 2016-09-05 04:56:16]

meade@chromium.org changed reviewers:
+ timloh@chromium.org

[Timothy Loh, 2016-09-05 04:57:05]

On 2016/09/05 04:56:17, Eddy wrote:

Can you CC me on the bug?

[commit-bot: I haz the power, 2016-09-05 05:44:15]

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

[commit-bot: I haz the power, 2016-09-05 05:44:15]

Dry run: This issue passed the CQ dry run.

[Timothy Loh, 2016-09-05 08:34:17]

On 2016/09/05 04:57:05, Timothy Loh wrote:
> On 2016/09/05 04:56:17, Eddy wrote:
> 
> Can you CC me on the bug?

lgtm but let's not land this unless we can't come up with a proper fix in the
next (say) couple of days.

[meade_UTC10, 2016-09-09 05:39:05]

Description was changed from

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting

I'm not really sure how this is happening, and I haven't
been able to reproduce this locally, but this is a
defensive fix that should work.

BUG=641995
==========

to

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting.


BUG=641995
==========

[meade_UTC10, 2016-09-09 05:41:05]

Added a test.

[meade_UTC10, 2016-09-09 05:41:11]

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

[commit-bot: I haz the power, 2016-09-09 05:41:26]

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

[meade_UTC10, 2016-09-09 06:31:22]

The CQ bit was unchecked by meade@chromium.org

[meade_UTC10, 2016-09-09 06:31:28]

The CQ bit was checked by meade@chromium.org

[meade_UTC10, 2016-09-09 06:31:28]

The patchset sent to the CQ was uploaded after l-g-t-m from timloh@chromium.org
Link to the patchset: https://codereview.chromium.org/2313523002/#ps20001
(title: "Add a test")

[commit-bot: I haz the power, 2016-09-09 06:31:49]

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, 2016-09-09 08:19:26]

Description was changed from

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting.


BUG=641995
==========

to

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting.


BUG=641995
==========

[commit-bot: I haz the power, 2016-09-09 08:19:27]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-09 08:21:21]

Description was changed from

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting.


BUG=641995
==========

to

==========
Add check that the CSSValue is a valid type in CSSTransformComponent before
casting.

BUG=641995

Committed: https://crrev.com/5c7a196f1f2a29d7e71b5dcf2051dbe0625d6519
Cr-Commit-Position: refs/heads/master@{#417535}
==========

[commit-bot: I haz the power, 2016-09-09 08:21:22]

Patchset 2 (id:??) landed as
https://crrev.com/5c7a196f1f2a29d7e71b5dcf2051dbe0625d6519
Cr-Commit-Position: refs/heads/master@{#417535}