Animation: Allow cubic-bezier timing inputs outside the range [0, 1] in CC

Animation: Allow cubic-bezier timing inputs outside the range [0, 1] in CC

A blink part. Chromium part: https://codereview.chromium.org/833093002/

Support this blink change
https://codereview.chromium.org/238573002
but on the compositor side.

BUG=445507
R=dstockwell@chromium.org
R=ajuma@chromium.org
R=japhet@chromium.org
TEST=ManualTests/animation/compositor-animation-steps.html

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=188109

[Ian Vollick, 2015-01-05 15:40:03]

On 2015/01/05 07:05:18, loyso wrote:

lgtm once the chromium side lands.

[dstockwell, 2015-01-06 22:20:44]

dstockwell@chromium.org changed reviewers:
+ vollick@chromium.org

[dstockwell, 2015-01-06 22:20:44]

lgtm

[loyso (OOO), 2015-01-07 04:37:52]

loyso@chromium.org changed reviewers:
- ajuma@chromium.org, japhet@chromium.org

[loyso (OOO), 2015-01-09 02:31:20]

The CQ bit was checked by loyso@chromium.org

[commit-bot: I haz the power, 2015-01-09 02:31:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/787353003/20001

[commit-bot: I haz the power, 2015-01-09 03:53:51]

Committed patchset #2 (id:20001) as
https://src.chromium.org/viewvc/blink?view=rev&revision=188109