Allocate CSSGlobalRuleSet on heap.

Allocate CSSGlobalRuleSet on heap.

Avoids allocating the CSSGlobalRuleSet on html import StyleEngines.

Review-Url: https://codereview.chromium.org/2883003002
Cr-Commit-Position: refs/heads/master@{#472186}
Committed: https://chromium.googlesource.com/chromium/src/+/7fcceecb206ec84e00ce9d52b7e487fd92a27aee

[rune, 2017-05-15 11:11:52]

The CQ bit was checked by rune@opera.com to run a CQ dry run

[commit-bot: I haz the power, 2017-05-15 11:12:01]

Dry run: 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, 2017-05-15 12:52:29]

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

[commit-bot: I haz the power, 2017-05-15 12:52:29]

Dry run: This issue passed the CQ dry run.

[rune, 2017-05-15 14:21:41]

rune@opera.com changed reviewers:
+ meade@chromium.org

[rune, 2017-05-15 14:21:42]

ptal

[meade_UTC10, 2017-05-16 07:07:19]

lgtm

[rune, 2017-05-16 17:11:45]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2017-05-16 17:12:37]

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, 2017-05-16 19:36:19]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494954705069140, "parent_rev":
"3df10ca837b3d45b1b8a3f4da796d40f595158e8", "commit_rev":
"7fcceecb206ec84e00ce9d52b7e487fd92a27aee"}

[commit-bot: I haz the power, 2017-05-16 19:36:32]

Description was changed from

==========
Allocate CSSGlobalRuleSet on heap.

Avoids allocating the CSSGlobalRuleSet on html import StyleEngines.
==========

to

==========
Allocate CSSGlobalRuleSet on heap.

Avoids allocating the CSSGlobalRuleSet on html import StyleEngines.

Review-Url: https://codereview.chromium.org/2883003002
Cr-Commit-Position: refs/heads/master@{#472186}
Committed:
https://chromium.googlesource.com/chromium/src/+/7fcceecb206ec84e00ce9d52b7e4...
==========

[commit-bot: I haz the power, 2017-05-16 19:36:33]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/7fcceecb206ec84e00ce9d52b7e4...