Avoid exposing disabled CSS properties in will-change and transition

Avoid exposing disabled CSS properties in will-change and transition

Both transition and will-change should produce string values for unknown
properties, but were producing identifiers. transition requires follow on
work as it only currently considers valid property names.

NOTRY=true

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=170286

[esprehn, 2014-03-28 02:36:09]

lgtm, No test? :(

[dstockwell, 2014-03-28 03:22:21]

On 2014/03/28 02:36:09, esprehn wrote:
> lgtm, No test? :(

Not sure there's a good way to test it. As it either depends on the bug in
transition or landing new but disabled properties that affect will-change (like
unprefixed transforms).

[dstockwell, 2014-03-28 03:35:10]

The CQ bit was checked by dstockwell@chromium.org

[commit-bot: I haz the power, 2014-03-28 03:35:15]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dstockwell@chromium.org/216003002/20001

[dstockwell, 2014-03-28 06:22:50]

The CQ bit was unchecked by dstockwell@chromium.org

[dstockwell, 2014-03-28 06:23:06]

The CQ bit was checked by dstockwell@chromium.org

[commit-bot: I haz the power, 2014-03-28 06:23:09]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dstockwell@chromium.org/216003002/20001

[dstockwell, 2014-03-28 06:33:02]

The CQ bit was unchecked by dstockwell@chromium.org

[dstockwell, 2014-03-28 06:33:14]

The CQ bit was checked by dstockwell@chromium.org

[commit-bot: I haz the power, 2014-03-28 06:33:15]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/dstockwell@chromium.org/216003002/20001

[commit-bot: I haz the power, 2014-03-28 06:33:44]

Change committed as 170286