Remove UserUnits from CSSPrimitiveValue::unitTable

Remove UserUnits from CSSPrimitiveValue::unitTable

We never call CSSPrimitiveValue::fromName with an empty string, so there
is no reason to have UserUnits in the unit table.

Committed: https://crrev.com/11b4ce0b629a874c17b73fbe97504ea72fd2bf68
Cr-Commit-Position: refs/heads/master@{#391769}

[Timothy Loh, 2016-05-05 05:09:42]

timloh@chromium.org changed reviewers:
+ alancutter@chromium.org, meade@chromium.org

[alancutter (OOO until 2018), 2016-05-05 05:45:52]

rs lgtm.

[Timothy Loh, 2016-05-05 06:04:12]

The CQ bit was checked by timloh@chromium.org

[commit-bot: I haz the power, 2016-05-05 06:04:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1952973002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1952973002/1

[commit-bot: I haz the power, 2016-05-05 06:16:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-05 06:17:15]

Description was changed from

==========
Remove UserUnits from CSSPrimitiveValue::unitTable

We never call CSSPrimitiveValue::fromName with an empty string, so there
is no reason to have UserUnits in the unit table.
==========

to

==========
Remove UserUnits from CSSPrimitiveValue::unitTable

We never call CSSPrimitiveValue::fromName with an empty string, so there
is no reason to have UserUnits in the unit table.

Committed: https://crrev.com/11b4ce0b629a874c17b73fbe97504ea72fd2bf68
Cr-Commit-Position: refs/heads/master@{#391769}
==========

[commit-bot: I haz the power, 2016-05-05 06:17:16]

Patchset 1 (id:??) landed as
https://crrev.com/11b4ce0b629a874c17b73fbe97504ea72fd2bf68
Cr-Commit-Position: refs/heads/master@{#391769}