Web Animations: Add a runtime flag for playback control

Web Animations: Add a runtime flag for playback control

This will guard the next shipping subset of the Web Animations API.

BUG=396369
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=181696

[dstockwell, 2014-09-03 11:57:33]

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

[dstockwell, 2014-09-10 00:23:32]

dstockwell@chromium.org changed reviewers:
+ alancutter@chromium.org
- eseidel@chromium.org

[alancutter (OOO until 2018), 2014-09-10 01:02:23]

lgtm

[dstockwell, 2014-09-10 01:18:44]

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

[dstockwell, 2014-09-10 01:19:02]

On 2014/09/10 at 01:18:44, dstockwell wrote:
> dstockwell@chromium.org changed reviewers:
> + tkent@chromium.org

for Source/platform

[tkent, 2014-09-10 01:19:51]

The CQ bit was checked by tkent@chromium.org

[tkent, 2014-09-10 01:19:51]

lgtm

[commit-bot: I haz the power, 2014-09-10 01:20:53]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/dstockwell@chromium.org/538503002/20001

[commit-bot: I haz the power, 2014-09-10 02:45:30]

Committed patchset #2 (id:20001) as 181696