Reland of Test262 roll

Reland of Test262 roll (patchset #1 id:1 of https://codereview.chromium.org/2094613004/ )

Reason for revert:
Reland fixing msan and tsan

Original issue's description:
> Revert of Test262 roll (patchset #15 id:280001 of https://codereview.chromium.org/2068263002/ )
>
> Reason for revert:
> Broke msan and tsan; need to add an extra skip
>
> Original issue's description:
> > Test262 roll
> >
> > This roll does not include a test harness change; infrastructure issues
> > still need to be worked out.
> >
> > Committed: https://crrev.com/d3a95b8a78eefabf884a60bc3d6aac5830b44eb3
> > Cr-Commit-Position: refs/heads/master@{#37225}
>
> TBR=adamk@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://crrev.com/8ea2cbea2e65dc506d50a25a81e610f37bc751ec
> Cr-Commit-Position: refs/heads/master@{#37226}

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

Committed: https://crrev.com/7fdbd6bf10899249d9fabd4333d53f052f9a31a2
Cr-Commit-Position: refs/heads/master@{#37227}

[Dan Ehrenberg, 2016-06-23 19:31:53]

Created Reland of Test262 roll

[Dan Ehrenberg, 2016-06-23 19:33:28]

The CQ bit was checked by littledan@chromium.org

[commit-bot: I haz the power, 2016-06-23 19:33:31]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2097573003/70001

[commit-bot: I haz the power, 2016-06-23 19:33:45]

Committed patchset #2 (id:70001)

[commit-bot: I haz the power, 2016-06-23 19:34:52]

Description was changed from

==========
Reland of Test262 roll (patchset #1 id:1 of
https://codereview.chromium.org/2094613004/ )

Reason for revert:
Reland fixing msan and tsan

Original issue's description:
> Revert of Test262 roll (patchset #15 id:280001 of
https://codereview.chromium.org/2068263002/ )
> 
> Reason for revert:
> Broke msan and tsan; need to add an extra skip
> 
> Original issue's description:
> > Test262 roll
> >
> > This roll does not include a test harness change; infrastructure issues
> > still need to be worked out.
> >
> > Committed: https://crrev.com/d3a95b8a78eefabf884a60bc3d6aac5830b44eb3
> > Cr-Commit-Position: refs/heads/master@{#37225}
> 
> TBR=adamk@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
> 
> Committed: https://crrev.com/8ea2cbea2e65dc506d50a25a81e610f37bc751ec
> Cr-Commit-Position: refs/heads/master@{#37226}

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

to

==========
Reland of Test262 roll (patchset #1 id:1 of
https://codereview.chromium.org/2094613004/ )

Reason for revert:
Reland fixing msan and tsan

Original issue's description:
> Revert of Test262 roll (patchset #15 id:280001 of
https://codereview.chromium.org/2068263002/ )
>
> Reason for revert:
> Broke msan and tsan; need to add an extra skip
>
> Original issue's description:
> > Test262 roll
> >
> > This roll does not include a test harness change; infrastructure issues
> > still need to be worked out.
> >
> > Committed: https://crrev.com/d3a95b8a78eefabf884a60bc3d6aac5830b44eb3
> > Cr-Commit-Position: refs/heads/master@{#37225}
>
> TBR=adamk@chromium.org
> # Skipping CQ checks because original CL landed less than 1 days ago.
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://crrev.com/8ea2cbea2e65dc506d50a25a81e610f37bc751ec
> Cr-Commit-Position: refs/heads/master@{#37226}

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

Committed: https://crrev.com/7fdbd6bf10899249d9fabd4333d53f052f9a31a2
Cr-Commit-Position: refs/heads/master@{#37227}
==========

[commit-bot: I haz the power, 2016-06-23 19:34:53]

Patchset 2 (id:??) landed as
https://crrev.com/7fdbd6bf10899249d9fabd4333d53f052f9a31a2
Cr-Commit-Position: refs/heads/master@{#37227}

[adamk, 2016-06-23 21:08:29]

lgtm