Change ImmutableStylePropertySet to store const CSSValue

Change ImmutableStylePropertySet to store const CSSValue

Change ImmutableStylePropertySet to store const CSSValue instead of just
CSSValue. This is pre-work for making CSSProperty store const CSSValues.

BUG=526586
Committed: https://crrev.com/3836192c5a1bd83949c389157256739ea2cf1c59
Cr-Commit-Position: refs/heads/master@{#398002}

[sashab, 2016-06-03 08:26:18]

sashab@chromium.org changed reviewers:
+ timloh@chromium.org

[Timothy Loh, 2016-06-06 02:55:10]

On 2016/06/03 08:26:18, sashab wrote:

lgtm

[sashab, 2016-06-06 05:47:45]

The CQ bit was checked by sashab@chromium.org

[commit-bot: I haz the power, 2016-06-06 05:47:54]

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

[commit-bot: I haz the power, 2016-06-06 05:47:55]

This CL has an open dependency (Issue 2038443003 Patch 1). Please resolve the
dependency and try again.
If you are sure that there is no real dependency, please use one of the options
listed in https://goo.gl/9Es4OR to land the CL.

[sashab, 2016-06-06 06:33:19]

The CQ bit was checked by sashab@chromium.org

[commit-bot: I haz the power, 2016-06-06 06:33:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2032613007/1

[commit-bot: I haz the power, 2016-06-06 10:28:02]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-06 10:29:49]

Description was changed from

==========
Change ImmutableStylePropertySet to store const CSSValue

Change ImmutableStylePropertySet to store const CSSValue instead of just
CSSValue. This is pre-work for making CSSProperty store const CSSValues.

BUG=526586
==========

to

==========
Change ImmutableStylePropertySet to store const CSSValue

Change ImmutableStylePropertySet to store const CSSValue instead of just
CSSValue. This is pre-work for making CSSProperty store const CSSValues.

BUG=526586

Committed: https://crrev.com/3836192c5a1bd83949c389157256739ea2cf1c59
Cr-Commit-Position: refs/heads/master@{#398002}
==========

[commit-bot: I haz the power, 2016-06-06 10:29:51]

Patchset 1 (id:??) landed as
https://crrev.com/3836192c5a1bd83949c389157256739ea2cf1c59
Cr-Commit-Position: refs/heads/master@{#398002}