Fix crash due to missing null check in squashing code

Fix crash due to missing null check in squashing code

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=165294

[shawnsingh, 2014-01-16 09:11:09]

PTAL.  one liner fix.

I can try to get a layout test for this if you prefer.  But I suspect the code
will evolve so soon that the layout test would just become moot pretty soon and
not provide any meaningful coverage.

[Ian Vollick, 2014-01-16 12:33:08]

On 2014/01/16 09:11:09, shawnsingh wrote:
> PTAL.  one liner fix.
> 
> I can try to get a layout test for this if you prefer.  But I suspect the code
> will evolve so soon that the layout test would just become moot pretty soon
and
> not provide any meaningful coverage.

lgtm. The bot failures seem unrelated.

[commit-bot: I haz the power, 2014-01-17 08:30:19]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/shawnsingh@chromium.org/139313008/1

[commit-bot: I haz the power, 2014-01-17 09:33:20]

Change committed as 165294