[Merge M57] arc: Handle metrics for Auth operations.

[Merge M57] arc: Handle metrics for Auth operations.

This handles messages with Auth operation metrics and add it to
UMA.

TEST=Locally, new metrics appear in chrome://histograms
BUG=b/35707115
BUG=695542
TBR=dcheng@chromium.org,lhchavez@chromium.org,isherman@chromium.org
NOTRY=true
NOPRESUBMIT=true

Approval at b/35707115

Review-Url: https://codereview.chromium.org/2704383006
Cr-Commit-Position: refs/heads/master@{#452722}
(cherry picked from commit 052c11832f70f11fb220abb005bcf93143d2e4e8)

Review-Url: https://codereview.chromium.org/2734983002
Cr-Commit-Position: refs/branch-heads/2987@{#784}
Cr-Branched-From: ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed: https://chromium.googlesource.com/chromium/src/+/7b108ffe5ed8ba43eeb472fc4a20a567a0cebb2b

[khmel, 2017-03-06 21:52:16]

Description was changed from

==========
[Merge M57] arc: Handle metrics for Auth operations.

This handles messages with Auth operation metrics and add it to
UMA.

TEST=Locally, new metrics appear in chrome://histograms
BUG=b/35707115
BUG=695542

TBR=dcheng@chromium.org,lhchavez@chromium.org,isherman@chromium.org
NOTRY=true
NOPRESUBMIT=true

Approval at b/35707115

Review-Url: https://codereview.chromium.org/2704383006
Cr-Commit-Position: refs/heads/master@{#452722}
(cherry picked from commit 052c11832f70f11fb220abb005bcf93143d2e4e8)
==========

to

==========
[Merge M57] arc: Handle metrics for Auth operations.

This handles messages with Auth operation metrics and add it to
UMA.

TEST=Locally, new metrics appear in chrome://histograms
BUG=b/35707115
BUG=695542

TBR=dcheng@chromium.org,lhchavez@chromium.org,isherman@chromium.org
NOTRY=true
NOPRESUBMIT=true

Approval at b/35707115

Review-Url: https://codereview.chromium.org/2704383006
Cr-Commit-Position: refs/heads/master@{#452722}
(cherry picked from commit 052c11832f70f11fb220abb005bcf93143d2e4e8)
==========

[khmel, 2017-03-06 21:52:16]

khmel@chromium.org changed reviewers:
- dcheng@chromium.org, isherman@chromium.org, lhchavez@chromium.org

[khmel, 2017-03-07 15:50:51]

The CQ bit was checked by khmel@chromium.org

[commit-bot: I haz the power, 2017-03-07 15:51:37]

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, 2017-03-07 15:55:45]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1488901851548300,
"parent_rev": "e724b2c3898091f20dd9e9c302cb12c86cdf5e5f", "commit_rev":
"7b108ffe5ed8ba43eeb472fc4a20a567a0cebb2b"}

[commit-bot: I haz the power, 2017-03-07 15:56:34]

Description was changed from

==========
[Merge M57] arc: Handle metrics for Auth operations.

This handles messages with Auth operation metrics and add it to
UMA.

TEST=Locally, new metrics appear in chrome://histograms
BUG=b/35707115
BUG=695542

TBR=dcheng@chromium.org,lhchavez@chromium.org,isherman@chromium.org
NOTRY=true
NOPRESUBMIT=true

Approval at b/35707115

Review-Url: https://codereview.chromium.org/2704383006
Cr-Commit-Position: refs/heads/master@{#452722}
(cherry picked from commit 052c11832f70f11fb220abb005bcf93143d2e4e8)
==========

to

==========
[Merge M57] arc: Handle metrics for Auth operations.

This handles messages with Auth operation metrics and add it to
UMA.

TEST=Locally, new metrics appear in chrome://histograms
BUG=b/35707115
BUG=695542

TBR=dcheng@chromium.org,lhchavez@chromium.org,isherman@chromium.org
NOTRY=true
NOPRESUBMIT=true

Approval at b/35707115

Review-Url: https://codereview.chromium.org/2704383006
Cr-Commit-Position: refs/heads/master@{#452722}
(cherry picked from commit 052c11832f70f11fb220abb005bcf93143d2e4e8)

Review-Url: https://codereview.chromium.org/2734983002
Cr-Commit-Position: refs/branch-heads/2987@{#784}
Cr-Branched-From:
ad51088c0e8776e8dcd963dbe752c4035ba6dab6-refs/heads/master@{#444943}
Committed:
https://chromium.googlesource.com/chromium/src/+/7b108ffe5ed8ba43eeb472fc4a20...
==========

[commit-bot: I haz the power, 2017-03-07 15:56:35]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/chromium/src/+/7b108ffe5ed8ba43eeb472fc4a20...