Remove unneeded ASSERT in StyleResolver::styleSharingList

Remove unneeded ASSERT in StyleResolver::styleSharingList

Remove unneeded ASSERT in StyleResolver::styleSharingList, the unsigned can't be negative so don't check for it.

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=178333

[rwlbuis, 2014-07-16 19:45:01]

PTAL

[esprehn, 2014-07-16 19:46:30]

lgtm

[rwlbuis, 2014-07-16 19:48:55]

The CQ bit was checked by rob.buis@samsung.com

[commit-bot: I haz the power, 2014-07-16 19:50:06]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rob.buis@samsung.com/396343002/1

[commit-bot: I haz the power, 2014-07-16 20:51:07]

FYI, CQ is re-trying this CL (attempt #1).
The failing builders are:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/17338)

[commit-bot: I haz the power, 2014-07-16 22:05:12]

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

[commit-bot: I haz the power, 2014-07-16 22:05:13]

Try jobs failed on following builders:
  win_blink_rel on tryserver.blink
(http://build.chromium.org/p/tryserver.blink/builders/win_blink_rel/builds/17346)

[esprehn, 2014-07-16 22:53:32]

The CQ bit was checked by esprehn@chromium.org

[commit-bot: I haz the power, 2014-07-16 22:54:41]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/rob.buis@samsung.com/396343002/1

[commit-bot: I haz the power, 2014-07-17 06:59:48]

Change committed as 178333