cc: Prevent checkerboarded animations from timing out during tests.

cc: Prevent checkerboarded animations from timing out during tests.

During tests that verify behaviour with checkerboarding, we need
preductable behaviour. Currently if the test takes too long and
the compositor thread ticks too many times, the checkerboarded
animation will time out and animate+draw. This is unpredictable
flaky behaviour for the tests. So add a setting to disable this
timeout-and-draw behaviour in the scheduler.

R=jamesr
BUG=228998
Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=193006

[jamesr, 2013-04-09 00:09:39]

lgtm

[commit-bot: I haz the power, 2013-04-09 00:10:05]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/danakj@chromium.org/13577005/4001

[commit-bot: I haz the power, 2013-04-09 01:02:40]

Step "update" is always a major failure.
Look at the try server FAQ for more details.
http://build.chromium.org/p/tryserver.chromium/buildstatus?builder=win_rel&nu...

[commit-bot: I haz the power, 2013-04-09 02:44:22]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/danakj@chromium.org/13577005/4001

[commit-bot: I haz the power, 2013-04-09 04:37:35]

Change committed as 193006