Handle font-weigths with 'bolder' or 'lighter' values in @font-face rules

Handle font-weigths with 'bolder' or 'lighter' values in @font-face rules

'bolder' and 'lighter' values are valid keywords for font-weights except
if they are inside @font-face rules. The patch catches such cases.
(http://www.w3.org/TR/css3-fonts/#descdef-font-weight)

R=eae@chromium.org
BUG=410884
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=181412

[reni, 2014-09-04 18:01:28]

rhodovan.u-szeged@partner.samsung.com changed reviewers:
+ timloh@chromium.org

[reni, 2014-09-04 18:01:29]

The failing linux trybot is unrelated to this patch.

[eae, 2014-09-04 18:36:45]

On 2014/09/04 18:01:29, reni wrote:
> The failing linux trybot is unrelated to this patch.

You might want to add a comment explaining that we currently ignore the values.

[eae, 2014-09-04 18:55:52]

Thanks, LGTM

[eae, 2014-09-04 18:55:56]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2014-09-04 18:56:34]

CQ is trying da patch. Follow status at

https://chromium-status.appspot.com/cq/rhodovan.u-szeged@partner.samsung.com/...

[reni, 2014-09-04 19:44:21]

On 2014/09/04 18:55:52, eae wrote:
> Thanks, LGTM

Thanks!

[commit-bot: I haz the power, 2014-09-04 23:01:10]

Committed patchset #2 (id:20001) as 181412