Make updateStyleInvalidationIfNeeded() private.

Make updateStyleInvalidationIfNeeded() private.

It is not invoked outside of Document.

This is split out of the larger CL for 567021.

R=mstensho@opera.com
BUG=567021
Committed: https://crrev.com/3923dd2cc24a9f454b4c09f2f020718969b61f3a
Cr-Commit-Position: refs/heads/master@{#435922}

[rune, 2016-12-02 11:08:34]

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

[rune, 2016-12-02 11:08:42]

ptal

[commit-bot: I haz the power, 2016-12-02 11:08:47]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[mstensho (USE GERRIT), 2016-12-02 11:38:38]

lgtm

[commit-bot: I haz the power, 2016-12-02 12:18:56]

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

[commit-bot: I haz the power, 2016-12-02 12:18:58]

Dry run: This issue passed the CQ dry run.

[rune, 2016-12-02 12:22:28]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2016-12-02 12:22:43]

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, 2016-12-02 12:26:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480681348795580, "parent_rev":
"f1c8be1bfb7fcc870a97ce57c50dc65f0ddd34b5", "commit_rev":
"de444907e9e26abeefc935435625dad688539fe9"}

[commit-bot: I haz the power, 2016-12-02 12:26:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-12-02 12:29:16]

Description was changed from

==========
Make updateStyleInvalidationIfNeeded() private.

It is not invoked outside of Document.

This is split out of the larger CL for 567021.

R=mstensho@opera.com
BUG=567021
==========

to

==========
Make updateStyleInvalidationIfNeeded() private.

It is not invoked outside of Document.

This is split out of the larger CL for 567021.

R=mstensho@opera.com
BUG=567021

Committed: https://crrev.com/3923dd2cc24a9f454b4c09f2f020718969b61f3a
Cr-Commit-Position: refs/heads/master@{#435922}
==========

[commit-bot: I haz the power, 2016-12-02 12:29:16]

Patchset 1 (id:??) landed as
https://crrev.com/3923dd2cc24a9f454b4c09f2f020718969b61f3a
Cr-Commit-Position: refs/heads/master@{#435922}