Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

This change emits a UKM PageLoad metric for the HTTP RTT estimate, and
one for the transport RTT estimate at navigation start.

BUG=706590
Review-Url: https://codereview.chromium.org/2780303002
Cr-Commit-Position: refs/heads/master@{#460613}
Committed: https://chromium.googlesource.com/chromium/src/+/4ef70d6e83c712b52c7e46e16fbd1d9636299567

[tbansal1, 2017-03-29 22:27:28]

Description was changed from

==========
Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

This change emits a UKM PageLoad metric for the EffectiveConnectionType
observed at navigation start.

BUG=706590
==========

to

==========
Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

This change emits a UKM PageLoad metric for the HTTP RTT estimate, and
one for the transport RTT estimate at navigation start.

BUG=706590
==========

[tbansal1, 2017-03-29 22:28:01]

tbansal@chromium.org changed reviewers:
+ bmcquade@chromium.org

[tbansal1, 2017-03-29 22:28:02]

bmcquade: ptal. Thanks.

[tbansal1, 2017-03-29 22:28:06]

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

[commit-bot: I haz the power, 2017-03-29 22:28:50]

Dry run: 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, 2017-03-30 00:24:37]

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

[commit-bot: I haz the power, 2017-03-30 00:24:38]

Dry run: This issue passed the CQ dry run.

[Bryan McQuade, 2017-03-30 00:58:15]

On 2017/03/29 at 22:28:02, tbansal wrote:
> bmcquade: ptal. Thanks.

LGTM, thanks!

[tbansal1, 2017-03-30 01:01:24]

The CQ bit was checked by tbansal@chromium.org

[commit-bot: I haz the power, 2017-03-30 01:03:33]

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, 2017-03-30 01:10:40]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1490835684849710, "parent_rev":
"943648dbbf5a074d645d71c8108c0caedff7967a", "commit_rev":
"4ef70d6e83c712b52c7e46e16fbd1d9636299567"}

[commit-bot: I haz the power, 2017-03-30 01:11:25]

Description was changed from

==========
Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

This change emits a UKM PageLoad metric for the HTTP RTT estimate, and
one for the transport RTT estimate at navigation start.

BUG=706590
==========

to

==========
Persist HTTP RTT and Transport RTT estimates in UKM on navigation start.

This change emits a UKM PageLoad metric for the HTTP RTT estimate, and
one for the transport RTT estimate at navigation start.

BUG=706590

Review-Url: https://codereview.chromium.org/2780303002
Cr-Commit-Position: refs/heads/master@{#460613}
Committed:
https://chromium.googlesource.com/chromium/src/+/4ef70d6e83c712b52c7e46e16fbd...
==========

[commit-bot: I haz the power, 2017-03-30 01:11:26]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/4ef70d6e83c712b52c7e46e16fbd...