Fix mismatched nullptr check for caret paint invalidation.

Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319
Committed: https://crrev.com/05b6f4be7e2e45c518441e2cf546d4472ee06fcb
Cr-Commit-Position: refs/heads/master@{#437804}

[wkorman, 2016-12-10 01:19:33]

Description was changed from

==========
Fix mismatched null check for caret paint invalidation.

BUG=663319
==========

to

==========
Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319
==========

[wkorman, 2016-12-10 01:19:33]

wkorman@chromium.org changed reviewers:
+ wangxianzhu@chromium.org

[wkorman, 2016-12-10 01:20:07]

The CQ bit was checked by wkorman@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-12-10 01:21:00]

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

[Xianzhu, 2016-12-10 02:06:02]

lgtm

[commit-bot: I haz the power, 2016-12-10 03:35:45]

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

[commit-bot: I haz the power, 2016-12-10 03:35:45]

Dry run: Try jobs failed on following builders:
  mac_chromium_rel_ng on master.tryserver.chromium.mac (JOB_FAILED,
http://build.chromium.org/p/tryserver.chromium.mac/builders/mac_chromium_rel_...)

[wkorman, 2016-12-10 18:41:37]

The CQ bit was checked by wkorman@chromium.org

[wkorman, 2016-12-10 18:41:38]

The patchset sent to the CQ was uploaded after l-g-t-m from
wangxianzhu@chromium.org
Link to the patchset: https://codereview.chromium.org/2565103002/#ps20001
(title: "Sync to head and add test baselines.")

[commit-bot: I haz the power, 2016-12-10 18:41:44]

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, 2016-12-10 20:13:59]

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

[commit-bot: I haz the power, 2016-12-10 20:14:00]

Try jobs failed on following builders:
  linux_android_rel_ng on master.tryserver.chromium.android (JOB_FAILED,
https://build.chromium.org/p/tryserver.chromium.android/builders/linux_androi...)

[wkorman, 2016-12-11 19:43:22]

The CQ bit was checked by wkorman@chromium.org

[commit-bot: I haz the power, 2016-12-11 19:43:35]

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, 2016-12-11 21:31:03]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1481485402752070,
"parent_rev": "2023e7a758019e086c2ee939bbcaa81676dd0faf", "commit_rev":
"fd0979e2bb60378df2b2f96335cc195787f1d2f3"}

[commit-bot: I haz the power, 2016-12-11 21:31:29]

Description was changed from

==========
Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319
==========

to

==========
Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319

Review-Url: https://codereview.chromium.org/2565103002
==========

[commit-bot: I haz the power, 2016-12-11 21:31:30]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-12-12 15:10:06]

Description was changed from

==========
Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319

Review-Url: https://codereview.chromium.org/2565103002
==========

to

==========
Fix mismatched nullptr check for caret paint invalidation.

We moved to checking need-for-repaint and invalidating based
on anchor node in http://crrev.com/2401363003 but we
incorrectly left null-checking based on non-anchor node.

BUG=663319

Committed: https://crrev.com/05b6f4be7e2e45c518441e2cf546d4472ee06fcb
Cr-Commit-Position: refs/heads/master@{#437804}
==========

[commit-bot: I haz the power, 2016-12-12 15:10:07]

Patchset 2 (id:??) landed as
https://crrev.com/05b6f4be7e2e45c518441e2cf546d4472ee06fcb
Cr-Commit-Position: refs/heads/master@{#437804}