Removed superfluous custom style DCHECK.

Removed superfluous custom style DCHECK.

Custom style callbacks are called during style recalc. There is no need
to check that ShadowRoot does not have such callbacks during layout
tree rebuild. There is already a check in ShadowRoot::RecalcStyle().

R=nainar@chromium.org
BUG=595137
Review-Url: https://codereview.chromium.org/2833223002
Cr-Commit-Position: refs/heads/master@{#466551}
Committed: https://chromium.googlesource.com/chromium/src/+/e0a99ba807c98cb277234bb9ea557549bbf91aa8

[rune, 2017-04-21 23:45:49]

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

[rune, 2017-04-21 23:45:58]

ptal

[commit-bot: I haz the power, 2017-04-21 23:46:09]

Dry run: CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[nainar, 2017-04-21 23:47:48]

lgtm

[commit-bot: I haz the power, 2017-04-22 01:37:01]

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

[commit-bot: I haz the power, 2017-04-22 01:37:02]

Dry run: This issue passed the CQ dry run.

[rune, 2017-04-22 08:30:36]

The CQ bit was checked by rune@opera.com

[commit-bot: I haz the power, 2017-04-22 08:30:48]

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, 2017-04-22 19:28:33]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1492849836184910, "parent_rev":
"18633fc39ce832de0cea59a4c7f4371144c407e0", "commit_rev":
"e0a99ba807c98cb277234bb9ea557549bbf91aa8"}

[commit-bot: I haz the power, 2017-04-22 19:28:44]

Description was changed from

==========
Removed superfluous custom style DCHECK.

Custom style callbacks are called during style recalc. There is no need
to check that ShadowRoot does not have such callbacks during layout
tree rebuild. There is already a check in ShadowRoot::RecalcStyle().

R=nainar@chromium.org
BUG=595137
==========

to

==========
Removed superfluous custom style DCHECK.

Custom style callbacks are called during style recalc. There is no need
to check that ShadowRoot does not have such callbacks during layout
tree rebuild. There is already a check in ShadowRoot::RecalcStyle().

R=nainar@chromium.org
BUG=595137

Review-Url: https://codereview.chromium.org/2833223002
Cr-Commit-Position: refs/heads/master@{#466551}
Committed:
https://chromium.googlesource.com/chromium/src/+/e0a99ba807c98cb277234bb9ea55...
==========

[commit-bot: I haz the power, 2017-04-22 19:28:45]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/e0a99ba807c98cb277234bb9ea55...