Unreviewed, rolling out r116527.

http://trac.webkit.org/changeset/116527
https://bugs.webkit.org/show_bug.cgi?id=86199

Causing crashes on ClusterFuzz (Requested by inferno-sec on
#webkit).

Patch by Sheriff Bot <webkit.review.bot@gmail.com> on 2012-05-11

Source/WebCore:

* rendering/RenderScrollbar.cpp:
(WebCore::RenderScrollbar::updateScrollbarPart):
* rendering/RenderScrollbarPart.h:

LayoutTests:

* scrollbars/scrollbar-percent-padding-crash-expected.txt: Removed.
* scrollbars/scrollbar-percent-padding-crash.html: Removed.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@116754 268f45cc-cd09-0410-ab3c-d52691b4dbfc