Unreviewed, rolling out r137328.
http://trac.webkit.org/changeset/137328
https://bugs.webkit.org/show_bug.cgi?id=109367

causes memory usage to balloon if connection queue is filling
faster than sending (Requested by kling on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2013-02-09

* Platform/CoreIPC/ArgumentEncoder.cpp:
(CoreIPC::ArgumentEncoder::ArgumentEncoder):
(CoreIPC::ArgumentEncoder::grow):
* Platform/CoreIPC/ArgumentEncoder.h:
(CoreIPC::ArgumentEncoder::buffer):
(ArgumentEncoder):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@142384 268f45cc-cd09-0410-ab3c-d52691b4dbfc