[heap] Remove out of date IncrementalMarkingUsingIdleTasksAfterGC test.

[heap] Remove out of date IncrementalMarkingUsingIdleTasksAfterGC test.

Incremental marking does not use idle tasks anymore.

BUG=

Committed: https://crrev.com/f0fa72babccc2730d2b33bafb6988ee3d340ea59
Cr-Commit-Position: refs/heads/master@{#41066}

[ulan, 2016-11-17 09:41:18]

ulan@chromium.org changed reviewers:
+ ishell@chromium.org

[ulan, 2016-11-17 09:41:19]

ptal

[Igor Sheludko, 2016-11-17 09:42:08]

lgtm

[ulan, 2016-11-17 09:43:00]

The CQ bit was checked by ulan@chromium.org

[commit-bot: I haz the power, 2016-11-17 09:43:07]

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, 2016-11-17 10:06:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-17 22:37:50]

Description was changed from

==========
[heap] Remove out of date IncrementalMarkingUsingIdleTasksAfterGC test.

Incremental marking does not use idle tasks anymore.

BUG=
==========

to

==========
[heap] Remove out of date IncrementalMarkingUsingIdleTasksAfterGC test.

Incremental marking does not use idle tasks anymore.

BUG=

Committed: https://crrev.com/f0fa72babccc2730d2b33bafb6988ee3d340ea59
Cr-Commit-Position: refs/heads/master@{#41066}
==========

[commit-bot: I haz the power, 2016-11-17 22:37:51]

Patchset 1 (id:??) landed as
https://crrev.com/f0fa72babccc2730d2b33bafb6988ee3d340ea59
Cr-Commit-Position: refs/heads/master@{#41066}