Revert of [heap] Refactor evacuation for young and old gen into visitors.

Revert of [heap] Refactor evacuation for young and old gen into visitors. (patchset #1 id:1 of https://codereview.chromium.org/1493523003/ )

Reason for revert:
Speculative revert for crashing Canary.

Original issue's description:
> Reland of [heap] Refactor evacuation for young and old gen into visitors. (patchset #1 id:1 of https://codereview.chromium.org/1483393002/ )
>
> Reason for revert:
> Reland after fixing the potential root cause of the canary crasher.
>
> Original issue's description:
> > Revert of [heap] Refactor evacuation for young and old gen into visitors. (patchset #5 id:80001 of https://codereview.chromium.org/1470253002/ )
> >
> > Reason for revert:
> > Still investigating bad canary.
> >
> > Original issue's description:
> > > [heap] Refactor evacuation for young and old gen into visitors.
> > >
> > > Create a visitor for evacuating objects for young and old generation. This is
> > > the first step of preparing a task to process, both,  newspace and oldspace
> > > pages in parallel.
> > >
> > > BUG=chromium:524425
> > > LOG=N
> > >
> > > Committed: https://crrev.com/138d9bae5d7014e0d205634a49b5eac3697744c8
> > > Cr-Commit-Position: refs/heads/master@{#32349}
> >
> > TBR=mlippautz@chromium.org
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=chromium:524425
> >
> > Committed: https://crrev.com/aa24a3135ec308e1f84bce334844caf0cae2437a
> > Cr-Commit-Position: refs/heads/master@{#32462}
>
> TBR=mlippautz@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
>
> Committed: https://crrev.com/120b640dfce5f02cecc5af72ca0b2b3b93ce8652
> Cr-Commit-Position: refs/heads/master@{#32500}

TBR=hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425
Committed: https://crrev.com/9b421f269054f62bef81eb78119c9721cf17760c
Cr-Commit-Position: refs/heads/master@{#32522}

[Michael Lippautz, 2015-12-02 14:50:05]

Created Revert of [heap] Refactor evacuation for young and old gen into
visitors.

[commit-bot: I haz the power, 2015-12-02 14:50:09]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1495583002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1495583002/1

[commit-bot: I haz the power, 2015-12-02 14:50:19]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-02 14:50:35]

Description was changed from

==========
Revert of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #1 id:1 of https://codereview.chromium.org/1493523003/ )

Reason for revert:
Speculative revert for crashing Canary.

Original issue's description:
> Reland of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #1 id:1 of https://codereview.chromium.org/1483393002/ )
> 
> Reason for revert:
> Reland after fixing the potential root cause of the canary crasher.
> 
> Original issue's description:
> > Revert of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #5 id:80001 of https://codereview.chromium.org/1470253002/ )
> >
> > Reason for revert:
> > Still investigating bad canary.
> >
> > Original issue's description:
> > > [heap] Refactor evacuation for young and old gen into visitors.
> > >
> > > Create a visitor for evacuating objects for young and old generation. This
is
> > > the first step of preparing a task to process, both,  newspace and
oldspace
> > > pages in parallel.
> > >
> > > BUG=chromium:524425
> > > LOG=N
> > >
> > > Committed: https://crrev.com/138d9bae5d7014e0d205634a49b5eac3697744c8
> > > Cr-Commit-Position: refs/heads/master@{#32349}
> >
> > TBR=mlippautz@chromium.org
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=chromium:524425
> >
> > Committed: https://crrev.com/aa24a3135ec308e1f84bce334844caf0cae2437a
> > Cr-Commit-Position: refs/heads/master@{#32462}
> 
> TBR=mlippautz@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
> 
> Committed: https://crrev.com/120b640dfce5f02cecc5af72ca0b2b3b93ce8652
> Cr-Commit-Position: refs/heads/master@{#32500}

TBR=hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425
==========

to

==========
Revert of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #1 id:1 of https://codereview.chromium.org/1493523003/ )

Reason for revert:
Speculative revert for crashing Canary.

Original issue's description:
> Reland of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #1 id:1 of https://codereview.chromium.org/1483393002/ )
>
> Reason for revert:
> Reland after fixing the potential root cause of the canary crasher.
>
> Original issue's description:
> > Revert of [heap] Refactor evacuation for young and old gen into visitors.
(patchset #5 id:80001 of https://codereview.chromium.org/1470253002/ )
> >
> > Reason for revert:
> > Still investigating bad canary.
> >
> > Original issue's description:
> > > [heap] Refactor evacuation for young and old gen into visitors.
> > >
> > > Create a visitor for evacuating objects for young and old generation. This
is
> > > the first step of preparing a task to process, both,  newspace and
oldspace
> > > pages in parallel.
> > >
> > > BUG=chromium:524425
> > > LOG=N
> > >
> > > Committed: https://crrev.com/138d9bae5d7014e0d205634a49b5eac3697744c8
> > > Cr-Commit-Position: refs/heads/master@{#32349}
> >
> > TBR=mlippautz@chromium.org
> > NOPRESUBMIT=true
> > NOTREECHECKS=true
> > NOTRY=true
> > BUG=chromium:524425
> >
> > Committed: https://crrev.com/aa24a3135ec308e1f84bce334844caf0cae2437a
> > Cr-Commit-Position: refs/heads/master@{#32462}
>
> TBR=mlippautz@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:524425
>
> Committed: https://crrev.com/120b640dfce5f02cecc5af72ca0b2b3b93ce8652
> Cr-Commit-Position: refs/heads/master@{#32500}

TBR=hpayer@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:524425

Committed: https://crrev.com/9b421f269054f62bef81eb78119c9721cf17760c
Cr-Commit-Position: refs/heads/master@{#32522}
==========

[commit-bot: I haz the power, 2015-12-02 14:50:36]

Patchset 1 (id:??) landed as
https://crrev.com/9b421f269054f62bef81eb78119c9721cf17760c
Cr-Commit-Position: refs/heads/master@{#32522}