[sql] Histogram for mmap status VIEW.

[sql] Histogram for mmap status VIEW.

https://codereview.chromium.org/2397753005/ landed a change to how
sql::Connection handles mmap tracking.  I neglected to add the
histograms.xml entry to mirror an enum change.

BUG=652359
Committed: https://crrev.com/e28e2e598746a19c53447f8d54c1927aba6e5b59
Cr-Commit-Position: refs/heads/master@{#431143}

[Scott Hess - ex-Googler, 2016-11-09 23:27:51]

shess@chromium.org changed reviewers:
+ isherman@chromium.org

[Ilya Sherman, 2016-11-10 00:18:43]

The CQ bit was checked by isherman@chromium.org

[Ilya Sherman, 2016-11-10 00:18:44]

lgtm

[commit-bot: I haz the power, 2016-11-10 00:19:41]

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, 2016-11-10 02:13:47]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-10 02:16:41]

Description was changed from

==========
[sql] Histogram for mmap status VIEW.

https://codereview.chromium.org/2397753005/ landed a change to how
sql::Connection handles mmap tracking.  I neglected to add the
histograms.xml entry to mirror an enum change.

BUG=652359
==========

to

==========
[sql] Histogram for mmap status VIEW.

https://codereview.chromium.org/2397753005/ landed a change to how
sql::Connection handles mmap tracking.  I neglected to add the
histograms.xml entry to mirror an enum change.

BUG=652359

Committed: https://crrev.com/e28e2e598746a19c53447f8d54c1927aba6e5b59
Cr-Commit-Position: refs/heads/master@{#431143}
==========

[commit-bot: I haz the power, 2016-11-10 02:16:42]

Patchset 1 (id:??) landed as
https://crrev.com/e28e2e598746a19c53447f8d54c1927aba6e5b59
Cr-Commit-Position: refs/heads/master@{#431143}