Revert 94131 - Merge 94107

Source/WebCore/page/FrameView.cpp

Index: Source/WebCore/page/FrameView.cpp
===================================================================
--- Source/WebCore/page/FrameView.cpp	(revision 94139)
+++ Source/WebCore/page/FrameView.cpp	(working copy)
@@ -2446,23 +2446,6 @@
     return false;
 }
 
-void FrameView::clearOwningRendererForCustomScrollbars(RenderBox* box)
-{
-    const HashSet<RefPtr<Widget> >* viewChildren = children();
-    HashSet<RefPtr<Widget> >::const_iterator end = viewChildren->end();
-    for (HashSet<RefPtr<Widget> >::const_iterator current = viewChildren->begin(); current != end; ++current) {
-        Widget* widget = current->get();
-        if (widget->isScrollbar()) {
-            Scrollbar* scrollbar = static_cast<Scrollbar*>(widget);
-            if (scrollbar->isCustomScrollbar()) {
-                RenderScrollbar* customScrollbar = toRenderScrollbar(scrollbar);
-                if (customScrollbar->owningRenderer() == box)
-                    customScrollbar->clearOwningRenderer();
-            }
-        }
-    }
-}
-
 FrameView* FrameView::parentFrameView() const
 {
     if (Widget* parentView = parent()) {