Revert of Update V8 to version 3.29.82 (based on bleeding_edge revision r24129).

Revert of Update V8 to version 3.29.82 (based on bleeding_edge revision r24129). (patchset #1 id:1 of https://codereview.chromium.org/596703003/)

Reason for revert:
Unfortunately this causes layout test failures on ia32 systems. It makes:

http/tests/serviceworker/request.html

time out.

http://test-results.appspot.com/dashboards/flakiness_dashboard.html#master=ChromiumWebkit&tests=http/tests/serviceworker/request.html

Original issue's description:
> Update V8 to version 3.29.82 (based on bleeding_edge revision r24129).
>
> TBR=machenbach@chromium.org
>
> Committed: https://crrev.com/7e6bdb0cf9ef794af7ef2c76a83337d95abd4ac0
> Cr-Commit-Position: refs/heads/master@{#296166}

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

Committed: https://crrev.com/d74cbe6668c9de81b35b5ff16cbcf0e72ccc5865
Cr-Commit-Position: refs/heads/master@{#296169}

[Mads Ager (chromium), 2014-09-23 11:58:43]

Created Revert of Update V8 to version 3.29.82 (based on bleeding_edge revision
r24129).

[commit-bot: I haz the power, 2014-09-23 11:59:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/594043003/1

[commit-bot: I haz the power, 2014-09-23 12:00:09]

Committed patchset #1 (id:1) as 6d3e296c27e5b8c36cf0099bcd9d465c49b989b8

[commit-bot: I haz the power, 2014-09-23 12:00:50]

Patchset 1 (id:??) landed as
https://crrev.com/d74cbe6668c9de81b35b5ff16cbcf0e72ccc5865
Cr-Commit-Position: refs/heads/master@{#296169}