Add new background abort type.

Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging similar values for a few days in canary. Note
that these histograms do log under slightly different conditions, so are
not expected to log identical values.

BUG=654430
Committed: https://crrev.com/3f54b6c611497a48e138d03555be0388c11d60dc
Cr-Commit-Position: refs/heads/master@{#424635}

[Bryan McQuade, 2016-10-11 01:17:18]

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

[commit-bot: I haz the power, 2016-10-11 01:17:47]

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

[Bryan McQuade, 2016-10-11 01:49:43]

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

[commit-bot: I haz the power, 2016-10-11 01:50:03]

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

[Bryan McQuade, 2016-10-11 01:53:35]

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

[Bryan McQuade, 2016-10-11 01:53:53]

Description was changed from

==========
Add new background abort type.

BUG=
==========

to

==========
Add new background abort type.

BUG=654430
==========

[commit-bot: I haz the power, 2016-10-11 01:53:55]

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

[Bryan McQuade, 2016-10-11 01:57:55]

Description was changed from

==========
Add new background abort type.

BUG=654430
==========

to

==========
Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging equivalent values for a few days in canary.

BUG=654430
==========

[Bryan McQuade, 2016-10-11 02:11:31]

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

[Bryan McQuade, 2016-10-11 02:11:32]

PTAL, thanks!

[commit-bot: I haz the power, 2016-10-11 03:06:51]

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

[commit-bot: I haz the power, 2016-10-11 03:06:51]

Dry run: Try jobs failed on following builders:
  linux_chromium_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Bryan McQuade, 2016-10-11 11:47:02]

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

[commit-bot: I haz the power, 2016-10-11 11:47:16]

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

[Bryan McQuade, 2016-10-11 11:50:15]

Description was changed from

==========
Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging equivalent values for a few days in canary.

BUG=654430
==========

to

==========
Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging similar values for a few days in canary. Note
that these histograms do log under slightly different conditions, so are
not expected to log identical values.

BUG=654430
==========

[Bryan McQuade, 2016-10-11 11:50:24]

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

[commit-bot: I haz the power, 2016-10-11 11:50:36]

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, 2016-10-11 12:24:48]

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

[commit-bot: I haz the power, 2016-10-11 12:24:51]

Dry run: Try jobs failed on following builders:
  linux_chromium_chromeos_rel_ng on master.tryserver.chromium.linux (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.linux/builders/linux_chromium_...)

[Charlie Harrison, 2016-10-11 12:27:13]

lgtm

[Bryan McQuade, 2016-10-11 14:22:33]

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

[Bryan McQuade, 2016-10-11 14:22:49]

isherman, PTAL for histograms.xml, thanks!

[Ilya Sherman, 2016-10-11 23:49:34]

metrics lgtm

[Bryan McQuade, 2016-10-12 01:21:50]

The CQ bit was checked by bmcquade@chromium.org

[commit-bot: I haz the power, 2016-10-12 01:22:19]

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, 2016-10-12 01:28:37]

Committed patchset #5 (id:80001)

[commit-bot: I haz the power, 2016-10-12 01:32:37]

Description was changed from

==========
Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging similar values for a few days in canary. Note
that these histograms do log under slightly different conditions, so are
not expected to log identical values.

BUG=654430
==========

to

==========
Add new background abort type.

These new metrics will replace the existing NavigationToFirstBackground
metrics, which will be removed after it is determined that the new and
old metrics are logging similar values for a few days in canary. Note
that these histograms do log under slightly different conditions, so are
not expected to log identical values.

BUG=654430

Committed: https://crrev.com/3f54b6c611497a48e138d03555be0388c11d60dc
Cr-Commit-Position: refs/heads/master@{#424635}
==========

[commit-bot: I haz the power, 2016-10-12 01:32:38]

Patchset 5 (id:??) landed as
https://crrev.com/3f54b6c611497a48e138d03555be0388c11d60dc
Cr-Commit-Position: refs/heads/master@{#424635}