Revert of [heap] Remove border page

Revert of [heap] Remove border page (patchset #10 id:260001 of https://codereview.chromium.org/2209583002/ )

Reason for revert:
No real improvement as we still lack the ability to promote from scavenges/young gen GCs.

Let's keep this in mind for later.

Original issue's description:
> [heap] Remove border page
> 
> A page now belongs either the nursery *or* the intermediate gen. The page that
> contained objects of both spaces is removed in this change.
> 
> BUG=chromium:636331
> 
> Committed: https://crrev.com/42ece47446f0dbd3779d6e0e00dce97a1931a9f9
> Cr-Commit-Position: refs/heads/master@{#39778}

TBR=ulan@chromium.org,hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:636331

[Michael Lippautz, 2016-09-29 08:23:59]

The CQ bit was checked by mlippautz@chromium.org

[Michael Lippautz, 2016-09-29 08:24:00]

Created Revert of [heap] Remove border page

[commit-bot: I haz the power, 2016-09-29 08:24:10]

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, 2016-09-29 08:25:39]

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

[commit-bot: I haz the power, 2016-09-29 08:25:40]

Try jobs failed on following builders:
  v8_linux64_avx2_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_avx2_rel_ng/buil...)
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)
  v8_presubmit on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_presubmit/builds/25284)

[Michael Lippautz, 2016-09-29 08:30:48]

Description was changed from

==========
Revert of [heap] Remove border page (patchset #10 id:260001 of
https://codereview.chromium.org/2209583002/ )

Reason for revert:
No real improvement as we still lack the ability to promote from scavenges/young
gen GCs.

Let's keep this in mind for later.

Original issue's description:
> [heap] Remove border page
> 
> A page now belongs either the nursery *or* the intermediate gen. The page that
> contained objects of both spaces is removed in this change.
> 
> BUG=chromium:636331
> 
> Committed: https://crrev.com/42ece47446f0dbd3779d6e0e00dce97a1931a9f9
> Cr-Commit-Position: refs/heads/master@{#39778}

TBR=ulan@chromium.org,hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:636331
==========

to

==========
Revert of [heap] Remove border page (patchset #10 id:260001 of
https://codereview.chromium.org/2209583002/ )

Reason for revert:
No real improvement as we still lack the ability to promote from scavenges/young
gen GCs.

Let's keep this in mind for later.

Original issue's description:
> [heap] Remove border page
> 
> A page now belongs either the nursery *or* the intermediate gen. The page that
> contained objects of both spaces is removed in this change.
> 
> BUG=chromium:636331
> 
> Committed: https://crrev.com/42ece47446f0dbd3779d6e0e00dce97a1931a9f9
> Cr-Commit-Position: refs/heads/master@{#39778}

TBR=ulan@chromium.org,hpayer@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=chromium:636331
==========