Add UMA stats for chroemos homedir encryption type

Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)

Review-Url: https://codereview.chromium.org/2852903002
Cr-Commit-Position: refs/branch-heads/3071@{#316}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/af597cf8c1a2377519955cd29965ac9c97d321e2

[dspaid, 2017-05-01 01:59:25]

dspaid@chromium.org changed reviewers:
+ hashimoto@chromium.org

[dspaid, 2017-05-01 01:59:26]

ptal, cherry-picking back to M59.

[dspaid, 2017-05-01 02:00:10]

Description was changed from

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/

BUG=714926
TEST=./validate_format.py && ./pretty_print.py

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)
==========

to

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at
https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)
==========

[hashimoto, 2017-05-01 04:32:49]

lgtm

[dspaid, 2017-05-01 04:33:07]

Description was changed from

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at
https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)
==========

to

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at
https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)
==========

[dspaid, 2017-05-01 04:33:54]

The CQ bit was checked by dspaid@chromium.org

[commit-bot: I haz the power, 2017-05-01 04:34:04]

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, 2017-05-01 04:34:28]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493613234027190, "parent_rev":
"354098b98cd0111d1289fdb9a986c5d416b006f7", "commit_rev":
"af597cf8c1a2377519955cd29965ac9c97d321e2"}

[commit-bot: I haz the power, 2017-05-01 04:34:59]

Description was changed from

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at
https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)
==========

to

==========
Add UMA stats for chroemos homedir encryption type

Add a metric to track the type of encryption used by chromeos user
homedirectories.
This histogram is added in chromeos at
https://chromium-review.googlesource.com/c/486439/
It is being cherry-picked to M59 at
https://chromium-review.googlesource.com/c/491008

BUG=714926
TEST=./validate_format.py && ./pretty_print.py
NOTRY=true
NOPRESUBMIT=true

Review-Url: https://codereview.chromium.org/2842723002
Cr-Commit-Position: refs/heads/master@{#467857}
(cherry picked from commit 77a4bd9d48145f782e8cc1f3f2f6788001f33060)

Review-Url: https://codereview.chromium.org/2852903002
Cr-Commit-Position: refs/branch-heads/3071@{#316}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/af597cf8c1a2377519955cd29965...
==========

[commit-bot: I haz the power, 2017-05-01 04:35:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/af597cf8c1a2377519955cd29965...