This reverts commit e35ec4a7.

Reason for revert: crash on WebKit Mac10.11 (dbg).

Original change's description:
> [ic] General cleanup after moving more ICs to data handlers
> 
> BUG=v8:5561
> 
> Change-Id: Ibc64f2a42089b40a605313a5f24b1da85722fde8
> Reviewed-on: https://chromium-review.googlesource.com/457370
> Commit-Queue: Toon Verwaest <verwaest@chromium.org>
> Reviewed-by: Igor Sheludko <ishell@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#44005}

TBR=ishell@chromium.org,verwaest@chromium.org,v8-reviews@googlegroups.com
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:5561

Change-Id: I2000ba48b2165e26a48f3e02259e054b40c50704
Reviewed-on: https://chromium-review.googlesource.com/457788Reviewed-by: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Commit-Queue: Aleksey Kozyatinskiy <kozyatinskiy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#44052}