Fix broken MainThreadScrollingReason DCHECK.

Fix broken MainThreadScrollingReason DCHECK.
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Committed: https://crrev.com/6a65e094c8932e539c583875c7c383ad0c27303e
Cr-Commit-Position: refs/heads/master@{#371843}

[tdresser, 2016-01-27 18:12:58]

Description was changed from

==========
Fix broken MainThreadScrollingReason DCHECK.
==========

to

==========
Fix broken MainThreadScrollingReason DCHECK.
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
==========

[tdresser, 2016-01-27 18:13:34]

The CQ bit was checked by tdresser@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-01-27 18:14:15]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1640373002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1640373002/1

[tdresser, 2016-01-27 19:01:13]

tdresser@chromium.org changed reviewers:
+ danakj@chromium.org

[tdresser, 2016-01-27 19:01:13]

How does this look?

Should this constant live inside MainThreadScrollingReason, or outside?

[danakj, 2016-01-27 19:03:54]

LGTM

I was kinda thinking it would check & vs a bitmask, but since they're all the
smallest flags, that works too. :)

[danakj, 2016-01-27 19:04:11]

On 2016/01/27 19:01:13, tdresser wrote:
> How does this look?
> 
> Should this constant live inside MainThreadScrollingReason, or outside?

More scoped is better IMO, easier to find. So inside.

[tdresser, 2016-01-27 19:06:08]

The CQ bit was unchecked by tdresser@chromium.org

[tdresser, 2016-01-27 19:06:14]

The CQ bit was checked by tdresser@chromium.org

[commit-bot: I haz the power, 2016-01-27 19:07:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1640373002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1640373002/1

[commit-bot: I haz the power, 2016-01-27 19:38:06]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-01-27 19:39:08]

Description was changed from

==========
Fix broken MainThreadScrollingReason DCHECK.
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel
==========

to

==========
Fix broken MainThreadScrollingReason DCHECK.
CQ_INCLUDE_TRYBOTS=tryserver.blink:linux_blink_rel

Committed: https://crrev.com/6a65e094c8932e539c583875c7c383ad0c27303e
Cr-Commit-Position: refs/heads/master@{#371843}
==========

[commit-bot: I haz the power, 2016-01-27 19:39:08]

Patchset 1 (id:??) landed as
https://crrev.com/6a65e094c8932e539c583875c7c383ad0c27303e
Cr-Commit-Position: refs/heads/master@{#371843}