Moved resolverChanged for mq updates into StyleEngine.

Moved resolverChanged for mq updates into StyleEngine.

The placement of resolverChanged() needs a bit of explanation. We
incorrectly only clear the rulesets of active stylesheets when media
query evaluation changes. That currently causes crbug.com/589083.
Updating the active stylesheets (resolverChanged) before clearing the
ruleset will at least make sure that rule set for @media rules inside
sheets with a media attribute changing evaluation will be cleared
correctly. Moving resolverChanged() would have made the effects of
589083 worse.

BUG=567021
Committed: https://crrev.com/da608f1745bd044fa96b58c3e0c9aa7e53eed3dc
Cr-Commit-Position: refs/heads/master@{#381921}

[rune, 2016-03-11 16:00:50]

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

[commit-bot: I haz the power, 2016-03-11 16:01:03]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1783913003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1783913003/1

[commit-bot: I haz the power, 2016-03-11 18:04:17]

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

[commit-bot: I haz the power, 2016-03-11 18:04:18]

Dry run: This issue passed the CQ dry run.

[rune, 2016-03-11 18:19:28]

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

[rune, 2016-03-17 12:57:13]

ptal

[esprehn, 2016-03-18 05:01:49]

lgtm

[rune, 2016-03-18 07:10:08]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2016-03-18 07:10:15]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1783913003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1783913003/1

[commit-bot: I haz the power, 2016-03-18 09:45:40]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-03-18 09:46:47]

Description was changed from

==========
Moved resolverChanged for mq updates into StyleEngine.

The placement of resolverChanged() needs a bit of explanation. We
incorrectly only clear the rulesets of active stylesheets when media
query evaluation changes. That currently causes crbug.com/589083.
Updating the active stylesheets (resolverChanged) before clearing the
ruleset will at least make sure that rule set for @media rules inside
sheets with a media attribute changing evaluation will be cleared
correctly. Moving resolverChanged() would have made the effects of
589083 worse.

BUG=567021
==========

to

==========
Moved resolverChanged for mq updates into StyleEngine.

The placement of resolverChanged() needs a bit of explanation. We
incorrectly only clear the rulesets of active stylesheets when media
query evaluation changes. That currently causes crbug.com/589083.
Updating the active stylesheets (resolverChanged) before clearing the
ruleset will at least make sure that rule set for @media rules inside
sheets with a media attribute changing evaluation will be cleared
correctly. Moving resolverChanged() would have made the effects of
589083 worse.

BUG=567021

Committed: https://crrev.com/da608f1745bd044fa96b58c3e0c9aa7e53eed3dc
Cr-Commit-Position: refs/heads/master@{#381921}
==========

[commit-bot: I haz the power, 2016-03-18 09:46:48]

Patchset 1 (id:??) landed as
https://crrev.com/da608f1745bd044fa96b58c3e0c9aa7e53eed3dc
Cr-Commit-Position: refs/heads/master@{#381921}