Reland of [heap] Remove live weak cells from weak cell list when finalizing incremental marking.

Reland of [heap] Remove live weak cells from weak cell list when finalizing incremental marking. (patchset #1 id:1 of https://codereview.chromium.org/1481383004/ )

Reason for revert:
Reland after fixing the potential root cause of the canary crasher.

Original issue's description:
> Revert of [heap] Remove live weak cells from weak cell list when finalizing incremental marking. (patchset #3 id:40001 of https://codereview.chromium.org/1474303002/ )
>
> Reason for revert:
> Still investigating bad canary.
>
> Original issue's description:
> > [heap] Remove live weak cells from weak cell list when finalizing incremental marking.
> >
> > BUG=chromium:548562
> > LOG=n
> >
> > Committed: https://crrev.com/6190c608c8f3ced0f00ff53965e115b78646cecd
> > Cr-Commit-Position: refs/heads/master@{#32372}
>
> TBR=ulan@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:548562
>
> Committed: https://crrev.com/72ae472ccc51ec304a66a8730c1fedbe265c16fa
> Cr-Commit-Position: refs/heads/master@{#32459}

TBR=ulan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:548562
Committed: https://crrev.com/09032dade4d062664d497f7e1b0922275c3ad7dc
Cr-Commit-Position: refs/heads/master@{#32503}

[Hannes Payer (out of office), 2015-12-02 11:06:22]

Created Reland of [heap] Remove live weak cells from weak cell list when
finalizing incremental marking.

[commit-bot: I haz the power, 2015-12-02 11:06:27]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1491743003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1491743003/1

[commit-bot: I haz the power, 2015-12-02 11:06:37]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-02 11:06:53]

Description was changed from

==========
Reland of [heap] Remove live weak cells from weak cell list when finalizing
incremental marking. (patchset #1 id:1 of
https://codereview.chromium.org/1481383004/ )

Reason for revert:
Reland after fixing the potential root cause of the canary crasher.

Original issue's description:
> Revert of [heap] Remove live weak cells from weak cell list when finalizing
incremental marking. (patchset #3 id:40001 of
https://codereview.chromium.org/1474303002/ )
> 
> Reason for revert:
> Still investigating bad canary.
> 
> Original issue's description:
> > [heap] Remove live weak cells from weak cell list when finalizing
incremental marking.
> >
> > BUG=chromium:548562
> > LOG=n
> >
> > Committed: https://crrev.com/6190c608c8f3ced0f00ff53965e115b78646cecd
> > Cr-Commit-Position: refs/heads/master@{#32372}
> 
> TBR=ulan@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:548562
> 
> Committed: https://crrev.com/72ae472ccc51ec304a66a8730c1fedbe265c16fa
> Cr-Commit-Position: refs/heads/master@{#32459}

TBR=ulan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:548562
==========

to

==========
Reland of [heap] Remove live weak cells from weak cell list when finalizing
incremental marking. (patchset #1 id:1 of
https://codereview.chromium.org/1481383004/ )

Reason for revert:
Reland after fixing the potential root cause of the canary crasher.

Original issue's description:
> Revert of [heap] Remove live weak cells from weak cell list when finalizing
incremental marking. (patchset #3 id:40001 of
https://codereview.chromium.org/1474303002/ )
>
> Reason for revert:
> Still investigating bad canary.
>
> Original issue's description:
> > [heap] Remove live weak cells from weak cell list when finalizing
incremental marking.
> >
> > BUG=chromium:548562
> > LOG=n
> >
> > Committed: https://crrev.com/6190c608c8f3ced0f00ff53965e115b78646cecd
> > Cr-Commit-Position: refs/heads/master@{#32372}
>
> TBR=ulan@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:548562
>
> Committed: https://crrev.com/72ae472ccc51ec304a66a8730c1fedbe265c16fa
> Cr-Commit-Position: refs/heads/master@{#32459}

TBR=ulan@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:548562

Committed: https://crrev.com/09032dade4d062664d497f7e1b0922275c3ad7dc
Cr-Commit-Position: refs/heads/master@{#32503}
==========

[commit-bot: I haz the power, 2015-12-02 11:06:54]

Patchset 1 (id:??) landed as
https://crrev.com/09032dade4d062664d497f7e1b0922275c3ad7dc
Cr-Commit-Position: refs/heads/master@{#32503}