Revert of Don't set cpu architecture field on iOS in UMA logs.

Revert of Don't set cpu architecture field on iOS in UMA logs. (patchset #2 id:20001 of https://codereview.chromium.org/2671433002/ )

Reason for revert:
This breaks Chrome iOS dashboards because cpu_architecture is the only field where we have the device model info (e.g. iPhone7,2).

Original issue's description:
> Don't set cpu architecture field on iOS in UMA logs.
> 
> The value we were setting it to before was not correct, so this
> change instead just makes the value not get set on iOS.
> 
> BUG=370104
> 
> Review-Url: https://codereview.chromium.org/2671433002
> Cr-Commit-Position: refs/heads/master@{#447578}
> Committed: https://chromium.googlesource.com/chromium/src/+/a86e8e115054ad167458d0379980db5473cb20de

TBR=rkaplow@chromium.org,asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=370104, 718080
Review-Url: https://codereview.chromium.org/2855943005
Cr-Commit-Position: refs/heads/master@{#469062}
Committed: https://chromium.googlesource.com/chromium/src/+/9f89092a8f533da1537b0a441b1e137b3d3b2728

[pkl (ping after 24h if needed), 2017-05-03 17:20:36]

Created Revert of Don't set cpu architecture field on iOS in UMA logs.

[pkl (ping after 24h if needed), 2017-05-03 17:22:12]

pkl@chromium.org changed reviewers:
- rkaplow@chromium.org

[pkl (ping after 24h if needed), 2017-05-03 17:22:12]

Alexei: PTAL. Thanks!

[Alexei Svitkine (slow), 2017-05-03 17:33:54]

lgtm

[pkl (ping after 24h if needed), 2017-05-03 17:34:14]

Description was changed from

==========
Revert of Don't set cpu architecture field on iOS in UMA logs. (patchset #2
id:20001 of https://codereview.chromium.org/2671433002/ )

Reason for revert:
This breaks Chrome iOS dashboards because cpu_architecture is the only field
where we have the device model info (e.g. iPhone7,2).

Original issue's description:
> Don't set cpu architecture field on iOS in UMA logs.
> 
> The value we were setting it to before was not correct, so this
> change instead just makes the value not get set on iOS.
> 
> BUG=370104
> 
> Review-Url: https://codereview.chromium.org/2671433002
> Cr-Commit-Position: refs/heads/master@{#447578}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a86e8e115054ad167458d0379980...

TBR=rkaplow@chromium.org,asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=370104
==========

to

==========
Revert of Don't set cpu architecture field on iOS in UMA logs. (patchset #2
id:20001 of https://codereview.chromium.org/2671433002/ )

Reason for revert:
This breaks Chrome iOS dashboards because cpu_architecture is the only field
where we have the device model info (e.g. iPhone7,2).

Original issue's description:
> Don't set cpu architecture field on iOS in UMA logs.
> 
> The value we were setting it to before was not correct, so this
> change instead just makes the value not get set on iOS.
> 
> BUG=370104
> 
> Review-Url: https://codereview.chromium.org/2671433002
> Cr-Commit-Position: refs/heads/master@{#447578}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a86e8e115054ad167458d0379980...

TBR=rkaplow@chromium.org,asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=370104, 718080
==========

[pkl (ping after 24h if needed), 2017-05-03 17:34:21]

The CQ bit was checked by pkl@chromium.org

[commit-bot: I haz the power, 2017-05-03 17:34:51]

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, 2017-05-03 19:08:21]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1493832861407230, "parent_rev":
"10404c06ed23864a5d180e2ecab206bb39d18a45", "commit_rev":
"9f89092a8f533da1537b0a441b1e137b3d3b2728"}

[commit-bot: I haz the power, 2017-05-03 19:09:46]

Description was changed from

==========
Revert of Don't set cpu architecture field on iOS in UMA logs. (patchset #2
id:20001 of https://codereview.chromium.org/2671433002/ )

Reason for revert:
This breaks Chrome iOS dashboards because cpu_architecture is the only field
where we have the device model info (e.g. iPhone7,2).

Original issue's description:
> Don't set cpu architecture field on iOS in UMA logs.
> 
> The value we were setting it to before was not correct, so this
> change instead just makes the value not get set on iOS.
> 
> BUG=370104
> 
> Review-Url: https://codereview.chromium.org/2671433002
> Cr-Commit-Position: refs/heads/master@{#447578}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a86e8e115054ad167458d0379980...

TBR=rkaplow@chromium.org,asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=370104, 718080
==========

to

==========
Revert of Don't set cpu architecture field on iOS in UMA logs. (patchset #2
id:20001 of https://codereview.chromium.org/2671433002/ )

Reason for revert:
This breaks Chrome iOS dashboards because cpu_architecture is the only field
where we have the device model info (e.g. iPhone7,2).

Original issue's description:
> Don't set cpu architecture field on iOS in UMA logs.
> 
> The value we were setting it to before was not correct, so this
> change instead just makes the value not get set on iOS.
> 
> BUG=370104
> 
> Review-Url: https://codereview.chromium.org/2671433002
> Cr-Commit-Position: refs/heads/master@{#447578}
> Committed:
https://chromium.googlesource.com/chromium/src/+/a86e8e115054ad167458d0379980...

TBR=rkaplow@chromium.org,asvitkine@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=370104, 718080

Review-Url: https://codereview.chromium.org/2855943005
Cr-Commit-Position: refs/heads/master@{#469062}
Committed:
https://chromium.googlesource.com/chromium/src/+/9f89092a8f533da1537b0a441b1e...
==========

[commit-bot: I haz the power, 2017-05-03 19:09:47]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/9f89092a8f533da1537b0a441b1e...

[Alexei Svitkine (slow), 2017-05-04 23:01:41]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2863813002/ by asvitkine@chromium.org.

The reason for reverting is: Can be relanded now that we're filling in hardware
class on iOS..