Expand Enums for (fake) Omnibox Histograms

Expand Enums for (fake) Omnibox Histograms

These histograms are derived from OmniboxEvent log entries.

Some new types are appearing in some new logs nowadays.

TBR=vadimb

BUG=

Committed: https://src.chromium.org/viewvc/chrome?view=rev&revision=287916

[Mark P, 2014-08-06 18:33:34]

Vadim,

Please take a look.

thanks,
mark

[vadimb1, 2014-08-06 22:23:01]

lgtm

[Mark P, 2014-08-06 22:26:17]

The CQ bit was checked by mpearson@chromium.org

[commit-bot: I haz the power, 2014-08-06 22:28:38]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mpearson@chromium.org/443873007/1

[commit-bot: I haz the power, 2014-08-06 22:28:39]

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

[commit-bot: I haz the power, 2014-08-06 22:28:40]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer or
a provisional committer, _not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[Mark P, 2014-08-06 22:29:33]

The CQ bit was checked by mpearson@chromium.org

[commit-bot: I haz the power, 2014-08-06 22:31:01]

CQ is trying da patch. Follow status at
 https://chromium-status.appspot.com/cq/mpearson@chromium.org/443873007/1

[commit-bot: I haz the power, 2014-08-07 00:37:26]

Change committed as 287916