Instant Apps: Change the name of the metric.

Instant Apps: Change the name of the metric.

The metric is now recorded differently, update to a new name.

BUG=670898
Committed: https://crrev.com/ba6c108d584629567b1bf45515b20ba90d6dee8d
Cr-Commit-Position: refs/heads/master@{#436711}

[Maria, 2016-12-05 23:29:19]

mariakhomenko@chromium.org changed reviewers:
+ asvitkine@chromium.org, tedchoc@chromium.org

[Maria, 2016-12-05 23:29:19]

FYI, the changes to how the histogram is recorded were made downstream.

[Ted C, 2016-12-06 00:47:04]

lgtm

[Alexei Svitkine (slow), 2016-12-06 15:44:35]

lgtm

[Maria, 2016-12-06 18:26:45]

The CQ bit was checked by mariakhomenko@chromium.org

[commit-bot: I haz the power, 2016-12-06 18:27:18]

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, 2016-12-06 20:48:39]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1481048805493520,
"parent_rev": "a9e8a3ae584a2b6cd52cdf2ffbc09a816c3f6ac3", "commit_rev":
"addbe2d4bd879396ebc59ca63ad70a700e1bbbed"}

[commit-bot: I haz the power, 2016-12-06 20:49:16]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-12-06 20:51:55]

Description was changed from

==========
Instant Apps: Change the name of the metric.

The metric is now recorded differently, update to a new name.

BUG=670898
==========

to

==========
Instant Apps: Change the name of the metric.

The metric is now recorded differently, update to a new name.

BUG=670898

Committed: https://crrev.com/ba6c108d584629567b1bf45515b20ba90d6dee8d
Cr-Commit-Position: refs/heads/master@{#436711}
==========

[commit-bot: I haz the power, 2016-12-06 20:51:56]

Patchset 2 (id:??) landed as
https://crrev.com/ba6c108d584629567b1bf45515b20ba90d6dee8d
Cr-Commit-Position: refs/heads/master@{#436711}