Clean-up hit-testing of scrollbars

Source/core/rendering/RenderPart.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 95 matching lines @@
 
         bool isInsideChildFrame = childRoot->hitTest(newHitTestRequest, newHitTestLocation, childFrameResult);
 
         if (newHitTestLocation.isRectBasedTest())
             result.append(childFrameResult);
         else if (isInsideChildFrame)
             result = childFrameResult;
 
         if (isInsideChildFrame)
             return true;
-
-        if (request.allowsFrameScrollbars()) {
-            // ScrollView scrollbars are not the same as RenderLayer scrollbars tested by RenderLayer::hitTestOverflowControls,
-            // so we need to test ScrollView scrollbars separately here.
-            // FIXME: Consider if this test could be done unconditionally.
-            Scrollbar* frameScrollbar = childFrameView->scrollbarAtPoint(newHitTestLocation.roundedPoint());
-            if (frameScrollbar)
-                result.setScrollbar(frameScrollbar);
-        }
     }
 
     return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
 }
 
 CompositingReasons RenderPart::additionalCompositingReasons() const
 {
     if (requiresAcceleratedCompositing())
         return CompositingReasonIFrame;
     return CompositingReasonNone;
 }
 
 }