Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable

Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2 metrics
with the new ones until new metrics is at stable, so we can keep the data continuous.

BUG=669618
Committed: https://crrev.com/3dad54187991ac8ca25e8bd3116f110b1319e8df
Cr-Commit-Position: refs/heads/master@{#435094}

[lanwei, 2016-11-29 19:35:56]

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

[commit-bot: I haz the power, 2016-11-29 19:36:44]

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

[lanwei, 2016-11-29 19:48:00]

Description was changed from

==========
old metrics

BUG=669618
==========

to

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics with the new ones until new metrics is at stable, so we can keep the
data continuous.

BUG=669618
==========

[lanwei, 2016-11-29 19:48:00]

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

[lanwei, 2016-11-29 19:48:31]

Description was changed from

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics with the new ones until new metrics is at stable, so we can keep the
data continuous.

BUG=669618
==========

to

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics
with the new ones until new metrics is at stable, so we can keep the data
continuous.

BUG=669618
==========

[lanwei, 2016-11-29 19:50:44]

lanwei@chromium.org changed reviewers:
+ isherman@chromium.org

[tdresser, 2016-11-29 19:59:23]

We need to keep actually reporting this data, not just update histograms.xml.

[lanwei, 2016-11-29 20:07:32]

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

[commit-bot: I haz the power, 2016-11-29 20:07:46]

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

[lanwei, 2016-11-29 20:12:13]

On 2016/11/29 19:59:23, tdresser wrote:
> We need to keep actually reporting this data, not just update histograms.xml.

You are right, I do not know what I was thinking!

[tdresser, 2016-11-29 20:26:09]

LGTM, thanks.

[Ilya Sherman, 2016-11-29 21:11:58]

LGTM

[lanwei, 2016-11-29 21:29:53]

The CQ bit was unchecked by lanwei@chromium.org

[lanwei, 2016-11-29 21:29:54]

The CQ bit was checked by lanwei@chromium.org

[commit-bot: I haz the power, 2016-11-29 21:30:05]

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, 2016-11-29 22:26:48]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1480454994100080,
"parent_rev": "fbc80b5a123a91adef621dc3e96cdcdff046dcad", "commit_rev":
"c2a0e06d725cd4825ffbfec821b1b9d55b262121"}

[commit-bot: I haz the power, 2016-11-29 22:27:20]

Description was changed from

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics
with the new ones until new metrics is at stable, so we can keep the data
continuous.

BUG=669618
==========

to

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics
with the new ones until new metrics is at stable, so we can keep the data
continuous.

BUG=669618
==========

[commit-bot: I haz the power, 2016-11-29 22:27:21]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-11-29 22:39:14]

Description was changed from

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics
with the new ones until new metrics is at stable, so we can keep the data
continuous.

BUG=669618
==========

to

==========
Keep the old TimeToFirstScrollUpdateSwapBegin2 metrics until M56 is stable.

We should keep the old touch's and wheel's TimeToFirstScrollUpdateSwapBegin2
metrics
with the new ones until new metrics is at stable, so we can keep the data
continuous.

BUG=669618

Committed: https://crrev.com/3dad54187991ac8ca25e8bd3116f110b1319e8df
Cr-Commit-Position: refs/heads/master@{#435094}
==========

[commit-bot: I haz the power, 2016-11-29 22:39:16]

Patchset 2 (id:??) landed as
https://crrev.com/3dad54187991ac8ca25e8bd3116f110b1319e8df
Cr-Commit-Position: refs/heads/master@{#435094}