Revert of Disallow wrapper creation from visitDOMWrapper

Revert of Disallow wrapper creation from visitDOMWrapper (patchset #3 id:40001 of https://codereview.chromium.org/931543002/)

Reason for revert:
Top crasher on canary with a very elevated crash rate.

BUG=459312, 459086
Original issue's description:
> Disallow wrapper creation from visitDOMWrapper
> 
> visitDOMWrapper is called from during V8 GC, and it is not safe to create wrapper there, as it may lead to execution of arbitrary javascript while GC.
> This CL removes the wrapper creation code from visitDOMWrapper template code, and replaces it with an ASSERT.
> 
> BUG=None
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=190231

TBR=haraken@chromium.org,kouhei@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=None

Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=190364

[michaeln, 2015-02-17 23:08:56]

Created Revert of Disallow wrapper creation from visitDOMWrapper

[haraken, 2015-02-17 23:13:01]

LGTM

It makes sense to revert this at the moment, thanks!

[michaeln, 2015-02-17 23:21:27]

The CQ bit was checked by michaeln@chromium.org

[commit-bot: I haz the power, 2015-02-17 23:22:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/931333003/1

[commit-bot: I haz the power, 2015-02-17 23:22:59]

Committed patchset #1 (id:1) as
https://src.chromium.org/viewvc/blink?view=rev&revision=190364