Revert of [heap] Reland "Remove black pages and use black areas instead."

Revert of [heap] Reland "Remove black pages and use black areas instead." (patchset #4 id:60001 of https://codereview.chromium.org/2185613002/ )

Reason for revert:
Still crashing.

Original issue's description:
> [heap] Reland "Remove black pages and use black areas instead."
>
> BUG=chromium:630969, chromium:630386
> LOG=n
>
> Committed: https://crrev.com/9e37a07c8de0a20ef2681e26824ff4d329102603
> Cr-Commit-Position: refs/heads/master@{#38057}

TBR=ulan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:630969, chromium:630386
Committed: https://crrev.com/2c7efba658e6f48e115c7ff17d1d1053e5825e06
Cr-Commit-Position: refs/heads/master@{#38129}

[Hannes Payer (out of office), 2016-07-28 10:03:24]

The CQ bit was checked by hpayer@chromium.org

[Hannes Payer (out of office), 2016-07-28 10:03:25]

Created Revert of [heap] Reland "Remove black pages and use black areas
instead."

[commit-bot: I haz the power, 2016-07-28 10:03:34]

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, 2016-07-28 10:29:15]

Description was changed from

==========
Revert of [heap] Reland "Remove black pages and use black areas instead."
(patchset #4 id:60001 of https://codereview.chromium.org/2185613002/ )

Reason for revert:
Still crashing.

Original issue's description:
> [heap] Reland "Remove black pages and use black areas instead."
> 
> BUG=chromium:630969,chromium:630386
> LOG=n
> 
> Committed: https://crrev.com/9e37a07c8de0a20ef2681e26824ff4d329102603
> Cr-Commit-Position: refs/heads/master@{#38057}

TBR=ulan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:630969,chromium:630386
==========

to

==========
Revert of [heap] Reland "Remove black pages and use black areas instead."
(patchset #4 id:60001 of https://codereview.chromium.org/2185613002/ )

Reason for revert:
Still crashing.

Original issue's description:
> [heap] Reland "Remove black pages and use black areas instead."
> 
> BUG=chromium:630969,chromium:630386
> LOG=n
> 
> Committed: https://crrev.com/9e37a07c8de0a20ef2681e26824ff4d329102603
> Cr-Commit-Position: refs/heads/master@{#38057}

TBR=ulan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:630969,chromium:630386
==========

[commit-bot: I haz the power, 2016-07-28 10:29:16]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-28 10:29:40]

Description was changed from

==========
Revert of [heap] Reland "Remove black pages and use black areas instead."
(patchset #4 id:60001 of https://codereview.chromium.org/2185613002/ )

Reason for revert:
Still crashing.

Original issue's description:
> [heap] Reland "Remove black pages and use black areas instead."
> 
> BUG=chromium:630969,chromium:630386
> LOG=n
> 
> Committed: https://crrev.com/9e37a07c8de0a20ef2681e26824ff4d329102603
> Cr-Commit-Position: refs/heads/master@{#38057}

TBR=ulan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:630969,chromium:630386
==========

to

==========
Revert of [heap] Reland "Remove black pages and use black areas instead."
(patchset #4 id:60001 of https://codereview.chromium.org/2185613002/ )

Reason for revert:
Still crashing.

Original issue's description:
> [heap] Reland "Remove black pages and use black areas instead."
>
> BUG=chromium:630969,chromium:630386
> LOG=n
>
> Committed: https://crrev.com/9e37a07c8de0a20ef2681e26824ff4d329102603
> Cr-Commit-Position: refs/heads/master@{#38057}

TBR=ulan@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:630969,chromium:630386

Committed: https://crrev.com/2c7efba658e6f48e115c7ff17d1d1053e5825e06
Cr-Commit-Position: refs/heads/master@{#38129}
==========

[commit-bot: I haz the power, 2016-07-28 10:29:41]

Patchset 1 (id:??) landed as
https://crrev.com/2c7efba658e6f48e115c7ff17d1d1053e5825e06
Cr-Commit-Position: refs/heads/master@{#38129}