Revert "Add histograms that monitor variation seed fetching from Java."

Revert "Add histograms that monitor variation seed fetching from Java."

Reason for revert:
Parent CL (https://crrev.com/2435813002) was reverted because it
broke Clank.

Original issue's description:
> Add histograms that monitor variation seed fetching from Java.
>
> Depends on https://codereview.chromium.org/2435813002/ which
> is moving the implementation of CachedMetrics to base from chrome/.
>
> BUG=632199
TBR=rkaplow@chromium.org,thestig@chromium.org,asvitkine@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=632199
Committed: https://crrev.com/673eae7b31642009320b256a0d3c388823134b0d
Cr-Commit-Position: refs/heads/master@{#426709}

[Ted C, 2016-10-21 03:30:28]

tedchoc@chromium.org changed reviewers:
+ tedchoc@chromium.org

[Ted C, 2016-10-21 03:30:28]

lgtm

[Dmitry Skiba, 2016-10-21 03:31:15]

The CQ bit was checked by dskiba@google.com

[commit-bot: I haz the power, 2016-10-21 03:31:58]

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, 2016-10-21 03:34:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-21 13:26:46]

Description was changed from

==========
Revert "Add histograms that monitor variation seed fetching from Java."

Reason for revert:
Parent CL (https://crrev.com/2435813002) was reverted because it
broke Clank.

Original issue's description:
> Add histograms that monitor variation seed fetching from Java.
>
> Depends on https://codereview.chromium.org/2435813002/ which
> is moving the implementation of CachedMetrics to base from chrome/.
>
> BUG=632199
TBR=rkaplow@chromium.org,thestig@chromium.org,asvitkine@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=632199
==========

to

==========
Revert "Add histograms that monitor variation seed fetching from Java."

Reason for revert:
Parent CL (https://crrev.com/2435813002) was reverted because it
broke Clank.

Original issue's description:
> Add histograms that monitor variation seed fetching from Java.
>
> Depends on https://codereview.chromium.org/2435813002/ which
> is moving the implementation of CachedMetrics to base from chrome/.
>
> BUG=632199
TBR=rkaplow@chromium.org,thestig@chromium.org,asvitkine@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=632199

Committed: https://crrev.com/673eae7b31642009320b256a0d3c388823134b0d
Cr-Commit-Position: refs/heads/master@{#426709}
==========

[commit-bot: I haz the power, 2016-10-21 13:26:47]

Patchset 1 (id:??) landed as
https://crrev.com/673eae7b31642009320b256a0d3c388823134b0d
Cr-Commit-Position: refs/heads/master@{#426709}