Reland of "[heap] Fine-grained JSArrayBuffer tracking"

Reland of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #1 id:1 of https://codereview.chromium.org/2011563003/ )

Reason for revert:
Premature revert. Chromium roll included an earlier version.

Original issue's description:
> Revert of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #3 id:80001 of https://codereview.chromium.org/2007253002/ )
>
> Reason for revert:
> Breaks webgl2 conformance tests
>   https://bugs.chromium.org/p/chromium/issues/detail?id=614730
>
> Original issue's description:
> > Reland of "[heap] Fine-grained JSArrayBuffer tracking"
> >
> > Track based on JSArrayBuffer addresses on pages instead of the attached
> > backing store.
> >
> > Details of tracking:
> > - Scavenge: New space pages are processes in bulk on the main thread
> > - MC: Unswept pages are processed in bulk in parallel. All other pages
> >   are processed by the sweeper concurrently.
> >
> > This reverts commit 93fe04afa9428f4f68dc5dd302cda83908be84a7.
> >
> > R=hpayer@chromium.org
> > BUG=chromium:611688
> > LOG=N
> > CQ_EXTRA_TRYBOTS=tryserver.v8:v8_linux_arm64_gc_stress_dbg,v8_linux_gc_stress_dbg,v8_mac_gc_stress_dbg,v8_linux64_tsan_rel,v8_mac64_asan_rel
> >
> > Committed: https://crrev.com/863d015e573798e263b35b31d2ab979739706533
> > Cr-Commit-Position: refs/heads/master@{#36513}
>
> TBR=hpayer@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:611688
>
> Committed: https://crrev.com/b9b0868ec49a52c9a80c9beea862a61707b292e5
> Cr-Commit-Position: refs/heads/master@{#36524}

TBR=hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:611688
Committed: https://crrev.com/b23e008885c4c452ae2b329c9dad167a76e4d7be
Cr-Commit-Position: refs/heads/master@{#36530}

[Michael Lippautz, 2016-05-25 21:06:34]

Created Reland of "[heap] Fine-grained JSArrayBuffer tracking"

[commit-bot: I haz the power, 2016-05-25 21:06:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2009383002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2009383002/1

[commit-bot: I haz the power, 2016-05-25 21:07:05]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-05-25 21:09:35]

Description was changed from

==========
Reland of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #1 id:1 of
https://codereview.chromium.org/2011563003/ )

Reason for revert:
Premature revert. Chromium roll included an earlier version.

Original issue's description:
> Revert of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #3 id:80001
of https://codereview.chromium.org/2007253002/ )
> 
> Reason for revert:
> Breaks webgl2 conformance tests
>   https://bugs.chromium.org/p/chromium/issues/detail?id=614730
> 
> Original issue's description:
> > Reland of "[heap] Fine-grained JSArrayBuffer tracking"
> >
> > Track based on JSArrayBuffer addresses on pages instead of the attached
> > backing store.
> >
> > Details of tracking:
> > - Scavenge: New space pages are processes in bulk on the main thread
> > - MC: Unswept pages are processed in bulk in parallel. All other pages
> >   are processed by the sweeper concurrently.
> >
> > This reverts commit 93fe04afa9428f4f68dc5dd302cda83908be84a7.
> >
> > R=hpayer@chromium.org
> > BUG=chromium:611688
> > LOG=N
> >
CQ_EXTRA_TRYBOTS=tryserver.v8:v8_linux_arm64_gc_stress_dbg,v8_linux_gc_stress_dbg,v8_mac_gc_stress_dbg,v8_linux64_tsan_rel,v8_mac64_asan_rel
> >
> > Committed: https://crrev.com/863d015e573798e263b35b31d2ab979739706533
> > Cr-Commit-Position: refs/heads/master@{#36513}
> 
> TBR=hpayer@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:611688
> 
> Committed: https://crrev.com/b9b0868ec49a52c9a80c9beea862a61707b292e5
> Cr-Commit-Position: refs/heads/master@{#36524}

TBR=hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:611688
==========

to

==========
Reland of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #1 id:1 of
https://codereview.chromium.org/2011563003/ )

Reason for revert:
Premature revert. Chromium roll included an earlier version.

Original issue's description:
> Revert of "[heap] Fine-grained JSArrayBuffer tracking" (patchset #3 id:80001
of https://codereview.chromium.org/2007253002/ )
>
> Reason for revert:
> Breaks webgl2 conformance tests
>   https://bugs.chromium.org/p/chromium/issues/detail?id=614730
>
> Original issue's description:
> > Reland of "[heap] Fine-grained JSArrayBuffer tracking"
> >
> > Track based on JSArrayBuffer addresses on pages instead of the attached
> > backing store.
> >
> > Details of tracking:
> > - Scavenge: New space pages are processes in bulk on the main thread
> > - MC: Unswept pages are processed in bulk in parallel. All other pages
> >   are processed by the sweeper concurrently.
> >
> > This reverts commit 93fe04afa9428f4f68dc5dd302cda83908be84a7.
> >
> > R=hpayer@chromium.org
> > BUG=chromium:611688
> > LOG=N
> >
CQ_EXTRA_TRYBOTS=tryserver.v8:v8_linux_arm64_gc_stress_dbg,v8_linux_gc_stress_dbg,v8_mac_gc_stress_dbg,v8_linux64_tsan_rel,v8_mac64_asan_rel
> >
> > Committed: https://crrev.com/863d015e573798e263b35b31d2ab979739706533
> > Cr-Commit-Position: refs/heads/master@{#36513}
>
> TBR=hpayer@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> BUG=chromium:611688
>
> Committed: https://crrev.com/b9b0868ec49a52c9a80c9beea862a61707b292e5
> Cr-Commit-Position: refs/heads/master@{#36524}

TBR=hpayer@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:611688

Committed: https://crrev.com/b23e008885c4c452ae2b329c9dad167a76e4d7be
Cr-Commit-Position: refs/heads/master@{#36530}
==========

[commit-bot: I haz the power, 2016-05-25 21:09:36]

Patchset 1 (id:??) landed as
https://crrev.com/b23e008885c4c452ae2b329c9dad167a76e4d7be
Cr-Commit-Position: refs/heads/master@{#36530}

[Michael Lippautz, 2016-05-25 21:20:26]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2009893003/ by mlippautz@chromium.org.

The reason for reverting is:
https://build.chromium.org/p/chromium.gpu.fyi/builders/Linux%20Debug%20%28NVI....