mash: Move all ash UMA metrics to //ash/common/metrics

mash: Move all ash UMA metrics to //ash/common/metrics

Now that the window manager and sysui are the same binary we don't need to
maintain separate UserMetricsAction and WmUserMetricsAction enums.

Also remove some unnecessary ash:: namespace qualifiers.

BUG=619636
TEST=compiles, ash_unittests

Committed: https://crrev.com/a96777c4353060e81cbe657ca6c1e2490d776ed5
Cr-Commit-Position: refs/heads/master@{#399820}

[James Cook, 2016-06-14 22:13:47]

Description was changed from

==========
mash: Move all ash UMA metrics to //ash/common/metrics

Now that the window manager and sysui are the same binary we don't need to
maintain separate UserMetricsAction and WmUserMetricsAction enums.

BUG=619636
TEST=compiles, ash_unittests
==========

to

==========
mash: Move all ash UMA metrics to //ash/common/metrics

Now that the window manager and sysui are the same binary we don't need to
maintain separate UserMetricsAction and WmUserMetricsAction enums.

Also remove some unnecessary ash:: namespace qualifiers.

BUG=619636
TEST=compiles, ash_unittests
==========

[James Cook, 2016-06-14 22:14:27]

jamescook@chromium.org changed reviewers:
+ msw@chromium.org

[James Cook, 2016-06-14 22:14:27]

msw, please take a look.

[msw, 2016-06-14 22:35:02]

lgtm

[James Cook, 2016-06-14 22:36:21]

The CQ bit was checked by jamescook@chromium.org

[commit-bot: I haz the power, 2016-06-14 22:36:47]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2063333002/1

[commit-bot: I haz the power, 2016-06-15 00:14:31]

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

[commit-bot: I haz the power, 2016-06-15 00:14:32]

Try jobs failed on following builders:
  ios-device on tryserver.chromium.mac (JOB_TIMED_OUT, no build URL)
  ios-device-gn on tryserver.chromium.mac (JOB_TIMED_OUT, no build URL)

[James Cook, 2016-06-15 00:50:50]

The CQ bit was checked by jamescook@chromium.org

[commit-bot: I haz the power, 2016-06-15 00:51:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2063333002/1

[commit-bot: I haz the power, 2016-06-15 02:15:45]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-15 02:15:48]

CQ bit was unchecked

[commit-bot: I haz the power, 2016-06-15 02:17:12]

Description was changed from

==========
mash: Move all ash UMA metrics to //ash/common/metrics

Now that the window manager and sysui are the same binary we don't need to
maintain separate UserMetricsAction and WmUserMetricsAction enums.

Also remove some unnecessary ash:: namespace qualifiers.

BUG=619636
TEST=compiles, ash_unittests
==========

to

==========
mash: Move all ash UMA metrics to //ash/common/metrics

Now that the window manager and sysui are the same binary we don't need to
maintain separate UserMetricsAction and WmUserMetricsAction enums.

Also remove some unnecessary ash:: namespace qualifiers.

BUG=619636
TEST=compiles, ash_unittests

Committed: https://crrev.com/a96777c4353060e81cbe657ca6c1e2490d776ed5
Cr-Commit-Position: refs/heads/master@{#399820}
==========

[commit-bot: I haz the power, 2016-06-15 02:17:13]

Patchset 1 (id:??) landed as
https://crrev.com/a96777c4353060e81cbe657ca6c1e2490d776ed5
Cr-Commit-Position: refs/heads/master@{#399820}