Move UnicodeRangeSet to platform/fonts

Move UnicodeRangeSet to platform/fonts

Preparation for using UnicodeRangeSet in both CSSFontFace and
HarfBuzzFace for sharing character range set restriction information.

BUG=583450
R=eae

Committed: https://crrev.com/cb99415fdae9271a608bdf01a30add3dfece83e8
Cr-Commit-Position: refs/heads/master@{#381536}

[drott, 2016-03-16 19:31:06]

drott@chromium.org changed reviewers:
+ kenneth.r.christiansen@intel.com, rune@opera.com, skobes@chromium.org

[eae, 2016-03-16 19:40:20]

LGTM

[eae, 2016-03-16 19:40:23]

The CQ bit was checked by eae@chromium.org

[commit-bot: I haz the power, 2016-03-16 19:40:54]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1808853002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1808853002/1

[commit-bot: I haz the power, 2016-03-16 20:54:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-16 20:56:05]

Description was changed from

==========
Move UnicodeRangeSet to platform/fonts

Preparation for using UnicodeRangeSet in both CSSFontFace and
HarfBuzzFace for sharing character range set restriction information.

BUG=583450
R=eae
==========

to

==========
Move UnicodeRangeSet to platform/fonts

Preparation for using UnicodeRangeSet in both CSSFontFace and
HarfBuzzFace for sharing character range set restriction information.

BUG=583450
R=eae

Committed: https://crrev.com/cb99415fdae9271a608bdf01a30add3dfece83e8
Cr-Commit-Position: refs/heads/master@{#381536}
==========

[commit-bot: I haz the power, 2016-03-16 20:56:07]

Patchset 1 (id:??) landed as
https://crrev.com/cb99415fdae9271a608bdf01a30add3dfece83e8
Cr-Commit-Position: refs/heads/master@{#381536}