Remove more frame-level scrolling machinery.

sky/engine/core/rendering/RenderBox.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Adobe Systems Incorporated. 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
@@ skipping 586 matching lines @@
 IntSize RenderBox::calculateAutoscrollDirection(const IntPoint& windowPoint) const
 {
     if (!frame())
         return IntSize();
 
     FrameView* frameView = frame()->view();
     if (!frameView)
         return IntSize();
 
     IntRect box(absoluteBoundingBoxRect());
-    box.move(view()->frameView()->scrollOffset());
     IntRect windowBox = view()->frameView()->contentsToWindow(box);
 
     IntPoint windowAutoscrollPoint = windowPoint;
 
     if (windowAutoscrollPoint.x() < windowBox.x() + autoscrollBeltSize)
         windowAutoscrollPoint.move(-autoscrollBeltSize, 0);
     else if (windowAutoscrollPoint.x() > windowBox.maxX() - autoscrollBeltSize)
         windowAutoscrollPoint.move(autoscrollBeltSize, 0);
 
     if (windowAutoscrollPoint.y() < windowBox.y() + autoscrollBeltSize)
@@ skipping 3539 matching lines @@
 
 RenderBox::BoxDecorationData::BoxDecorationData(const RenderStyle& style)
 {
     backgroundColor = style.colorIncludingFallback(CSSPropertyBackgroundColor);
     hasBackground = backgroundColor.alpha() || style.hasBackgroundImage();
     ASSERT(hasBackground == style.hasBackground());
     hasBorder = style.hasBorder();
 }
 
 } // namespace blink