Revert of Rename Heap to ThreadHeap

Revert of Rename Heap to ThreadHeap (patchset #13 id:240001 of https://codereview.chromium.org/1845543002/ )

Reason for revert:
Failed memory_test: content_unittests

Original issue's description:
> Rename Heap to ThreadHeap
>
> BUG=591606
> CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:winx64_10_perf_cq;tryserver.chromium.perf:mac_retina_perf_cq;tryserver.chromium.perf:linux_perf_cq
>
> Committed: https://crrev.com/191c640cc25f76c0c0f8a0b448de33cd059f4a8e
> Cr-Commit-Position: refs/heads/master@{#387233}

TBR=oilpan-reviews@chromium.org,haraken@chromium.org,peria@chromium.org,caseq@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591606
Committed: https://crrev.com/b298b9354505c3ded029dadd92675ca3405a6381
Cr-Commit-Position: refs/heads/master@{#387254}

[keishi, 2016-04-14 07:11:21]

Created Revert of Rename Heap to ThreadHeap

[commit-bot: I haz the power, 2016-04-14 07:11:32]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1884083002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1884083002/1

[commit-bot: I haz the power, 2016-04-14 07:12:48]

Committed patchset #1 (id:1)

[haraken, 2016-04-14 07:14:09]

LGTM

[commit-bot: I haz the power, 2016-04-14 07:14:44]

Description was changed from

==========
Revert of Rename Heap to ThreadHeap (patchset #13 id:240001 of
https://codereview.chromium.org/1845543002/ )

Reason for revert:
Failed memory_test: content_unittests

Original issue's description:
> Rename Heap to ThreadHeap
> 
> BUG=591606
>
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:winx64_10_perf_cq;tryserver.chromium.perf:mac_retina_perf_cq;tryserver.chromium.perf:linux_perf_cq
> 
> Committed: https://crrev.com/191c640cc25f76c0c0f8a0b448de33cd059f4a8e
> Cr-Commit-Position: refs/heads/master@{#387233}

TBR=oilpan-reviews@chromium.org,haraken@chromium.org,peria@chromium.org,caseq...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591606
==========

to

==========
Revert of Rename Heap to ThreadHeap (patchset #13 id:240001 of
https://codereview.chromium.org/1845543002/ )

Reason for revert:
Failed memory_test: content_unittests

Original issue's description:
> Rename Heap to ThreadHeap
>
> BUG=591606
>
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:winx64_10_perf_cq;tryserver.chromium.perf:mac_retina_perf_cq;tryserver.chromium.perf:linux_perf_cq
>
> Committed: https://crrev.com/191c640cc25f76c0c0f8a0b448de33cd059f4a8e
> Cr-Commit-Position: refs/heads/master@{#387233}

TBR=oilpan-reviews@chromium.org,haraken@chromium.org,peria@chromium.org,caseq...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=591606

Committed: https://crrev.com/b298b9354505c3ded029dadd92675ca3405a6381
Cr-Commit-Position: refs/heads/master@{#387254}
==========

[commit-bot: I haz the power, 2016-04-14 07:14:46]

Patchset 1 (id:??) landed as
https://crrev.com/b298b9354505c3ded029dadd92675ca3405a6381
Cr-Commit-Position: refs/heads/master@{#387254}