Revert of Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.

Revert of Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types. (https://codereview.chromium.org/195953003/)

Reason for revert:
Breaking tests.

Original issue's description:
> Oilpan: Move CSSStyleDeclaration and subclasses to the heap using transistion types.
> 
> R=ager@chromium.org, erik.corry@gmail.com, haraken@chromium.org, oilpan-reviews@chromium.org, tkent@chromium.org, vegorov@chromium.org, zerny@chromium.org
> BUG=341815
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=169652

TBR=ager@chromium.org,erik.corry@gmail.com,haraken@chromium.org,oilpan-reviews@chromium.org,tkent@chromium.org,vegorov@chromium.org,zerny@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=341815
Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=169661

[wibling-chromium, 2014-03-20 15:52:43]

Created Revert of Oilpan: Move CSSStyleDeclaration and subclasses to the heap
using transistion types.

[commit-bot: I haz the power, 2014-03-20 15:53:16]

CQ is trying da patch. Follow status at
https://chromium-status.appspot.com/cq/wibling@chromium.org/205033007/1

[commit-bot: I haz the power, 2014-03-20 15:53:52]

Change committed as 169661

[Mads Ager (chromium), 2014-03-20 15:57:31]

LGTM, thanks!

[haraken, 2014-03-20 16:38:44]

LGTM