Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
Committed: https://crrev.com/5172d6d95e6fc36231bf14cd970989f19d5cdcb9
Cr-Commit-Position: refs/heads/master@{#418574}

[ymalik, 2016-09-13 17:22:49]

Description was changed from

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
==========

to

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
==========

[ymalik, 2016-09-13 17:22:49]

ymalik@chromium.org changed reviewers:
+ skobes@chromium.org

[skobes, 2016-09-13 19:07:11]

lgtm

[ymalik, 2016-09-13 19:10:45]

ymalik@chromium.org changed reviewers:
+ jbroman@chromium.org

[ymalik, 2016-09-13 19:10:45]

+jbroman for Source/platform

[jbroman, 2016-09-13 19:23:22]

rs lgtm

[ymalik, 2016-09-13 19:25:38]

The CQ bit was checked by ymalik@chromium.org

[commit-bot: I haz the power, 2016-09-13 19:26:10]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-13 23:51:04]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-09-13 23:51:05]

Try jobs failed on following builders:
  win_chromium_rel_ng on master.tryserver.chromium.win (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.win/builders/win_chromium_rel_...)

[ymalik, 2016-09-14 14:30:28]

The CQ bit was checked by ymalik@chromium.org

[commit-bot: I haz the power, 2016-09-14 14:30:43]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-14 16:02:23]

Description was changed from

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
==========

to

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
==========

[commit-bot: I haz the power, 2016-09-14 16:02:24]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-09-14 16:03:59]

Description was changed from

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479
==========

to

==========
Fix ScrollAnimator::hasRunningAnimation to account for the PostAnimationCleanup

Note that this bug was found while working on crbug.com/597479.
fast/dom/vertical-scrollbar-in-rtl.html was failing a DCHECK because we would
try to adjust
when there was no animation.

This CL also exposes RunState via runStateForTesting.

BUG=597479

Committed: https://crrev.com/5172d6d95e6fc36231bf14cd970989f19d5cdcb9
Cr-Commit-Position: refs/heads/master@{#418574}
==========

[commit-bot: I haz the power, 2016-09-14 16:04:00]

Patchset 2 (id:??) landed as
https://crrev.com/5172d6d95e6fc36231bf14cd970989f19d5cdcb9
Cr-Commit-Position: refs/heads/master@{#418574}