Introduce markAllTreeScopesDirty.

Introduce markAllTreeScopesDirty.

When we need to recollect active stylesheets for all scopes, have an
explicit markAllTreeScopesDirty method instead of relying on
FullStyleUpdate which will go away for async active stylesheet updates.

This CL does not contain functional changes.

R=meade@chromium.org
BUG=567021
Committed: https://crrev.com/c3481b639b36688d7f855ebd3de077dd9466a7f8
Cr-Commit-Position: refs/heads/master@{#434940}

[rune, 2016-11-28 11:19:20]

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

[commit-bot: I haz the power, 2016-11-28 11:19:40]

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, 2016-11-28 13:00:04]

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

[commit-bot: I haz the power, 2016-11-28 13:00:05]

Dry run: This issue passed the CQ dry run.

[rune, 2016-11-28 13:04:49]

ptal

[meade_UTC10, 2016-11-29 03:23:15]

lgtm

[rune, 2016-11-29 09:36:48]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2016-11-29 09:37:09]

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, 2016-11-29 09:41:19]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480412208595810, "parent_rev":
"02831b2dd0cd78a78a877b020e8be00980ea33fb", "commit_rev":
"c1033db58bb0096ad9c0a99555340596bc1e562f"}

[commit-bot: I haz the power, 2016-11-29 09:41:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-29 09:43:43]

Description was changed from

==========
Introduce markAllTreeScopesDirty.

When we need to recollect active stylesheets for all scopes, have an
explicit markAllTreeScopesDirty method instead of relying on
FullStyleUpdate which will go away for async active stylesheet updates.

This CL does not contain functional changes.

R=meade@chromium.org
BUG=567021
==========

to

==========
Introduce markAllTreeScopesDirty.

When we need to recollect active stylesheets for all scopes, have an
explicit markAllTreeScopesDirty method instead of relying on
FullStyleUpdate which will go away for async active stylesheet updates.

This CL does not contain functional changes.

R=meade@chromium.org
BUG=567021

Committed: https://crrev.com/c3481b639b36688d7f855ebd3de077dd9466a7f8
Cr-Commit-Position: refs/heads/master@{#434940}
==========

[commit-bot: I haz the power, 2016-11-29 09:43:44]

Patchset 1 (id:??) landed as
https://crrev.com/c3481b639b36688d7f855ebd3de077dd9466a7f8
Cr-Commit-Position: refs/heads/master@{#434940}