Revert of Revert of Update V8 to version 4.3.16.

Revert of Revert of Update V8 to version 4.3.16. (patchset #1 id:1 of https://codereview.chromium.org/978433002/)

Reason for revert:
The roll wasn't the cause for issue 463436. Therefore relanding.

Original issue's description:
> Revert of Update V8 to version 4.3.16. (patchset #1 id:1 of https://codereview.chromium.org/974813002/)
>
> Reason for revert:
> Speculative revert for issue 463436.
>
> Original issue's description:
> > Update V8 to version 4.3.16.
> >
> > Summary of changes available at:
> > https://chromium.googlesource.com/v8/v8/+log/155278d6..ea02c333
> >
> > Please follow these instructions for assigning/CC'ing issues:
> > https://code.google.com/p/v8-wiki/wiki/TriagingIssues
> >
> > TBR=machenbach@chromium.org
> > NOTRY=true
> >
> > Committed: https://crrev.com/5d61006f40e3f14bbf8f2c60f698b051f8f84fd9
> > Cr-Commit-Position: refs/heads/master@{#318874}
>
> TBR=v8-autoroll@chromium.org
> NOPRESUBMIT=true
> NOTREECHECKS=true
> NOTRY=true
>
> Committed: https://crrev.com/cb33633cc8920c3dc61b217285e4887f03d75613
> Cr-Commit-Position: refs/heads/master@{#318879}

TBR=v8-autoroll@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true

Committed: https://crrev.com/c88a2e078550a4231a207d238750a3df4f9f1c9d
Cr-Commit-Position: refs/heads/master@{#319027}

[Michael Achenbach, 2015-03-04 07:51:19]

Created Revert of Revert of Update V8 to version 4.3.16.

[commit-bot: I haz the power, 2015-03-04 07:52:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/976713005/1

[commit-bot: I haz the power, 2015-03-04 07:52:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-03-04 07:53:08]

Patchset 1 (id:??) landed as
https://crrev.com/c88a2e078550a4231a207d238750a3df4f9f1c9d
Cr-Commit-Position: refs/heads/master@{#319027}