Unreviewed, rolling out r105497.

Unreviewed, rolling out r105497.
http://trac.webkit.org/changeset/105497
https://bugs.webkit.org/show_bug.cgi?id=76696

Leaking in Qt layout tests and timing out in GTK API tests.
(Requested by jturcotte on #webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2012-01-20

* Shared/WebPreferencesStore.h:
* UIProcess/API/qt/qquickwebview.cpp:
(QQuickWebViewPrivate::initialize):
* UIProcess/DrawingAreaProxyImpl.cpp:
(WebKit::DrawingAreaProxyImpl::DrawingAreaProxyImpl):
* WebProcess/WebPage/DrawingAreaImpl.cpp:
(WebKit::DrawingAreaImpl::DrawingAreaImpl):
* WebProcess/WebPage/WebPage.cpp:
(WebKit::WebPage::updatePreferences):
* WebProcess/WebPage/qt/WebPageQt.cpp:
(WebKit::WebPage::platformInitialize):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@105504 268f45cc-cd09-0410-ab3c-d52691b4dbfc