Revert of Add HeapListHashSet. (https://codereview.chromium.org/256143002/)

Reason for revert:
Broke Android

Original issue's description:
> Add HeapListHashSet.
> 
> R=ager@chromium.org, haraken@chromium.org, mikhail.pozdnyakov@intel.com, zerny@chromium.org
> BUG=
> 
> Committed: https://src.chromium.org/viewvc/blink?view=rev&revision=173297

TBR=ager@chromium.org,haraken@chromium.org,mikhail.pozdnyakov@intel.com,zerny@chromium.org,wibling@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=

Review URL: https://codereview.chromium.org/261283004

git-svn-id: svn://svn.chromium.org/blink/trunk@173301 bbb929c8-8fbe-4397-9dbb-9b2b20218538