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 390 matching lines @@
     bool restrictedByLineClamp = false;
     if (parent()) {
         parentBox = parent()->enclosingBox();
         restrictedByLineClamp = !parent()->style()->lineClamp().isNone();
     }
 
     if (hasOverflowClip() && !restrictedByLineClamp) {
         // Don't scroll to reveal an overflow layer that is restricted by the -webkit-line-clamp property.
         // This will prevent us from revealing text hidden by the slider in Safari RSS.
         newRect = layer()->scrollableArea()->exposeRect(rect, alignX, alignY);
-    } else if (!parentBox && canBeProgramaticallyScrolled()) {
-        if (FrameView* frameView = this->frameView()) {
-            LayoutRect viewRect = frameView->visibleContentRect();
-            LayoutRect r = ScrollAlignment::getRectToExpose(viewRect, rect, alignX, alignY);
-            frameView->setScrollPosition(roundedIntPoint(r.location()));
-        }
     }
 
     if (frame()->page()->autoscrollController().autoscrollInProgress())
         parentBox = enclosingScrollableBox();
 
     if (parentBox)
         parentBox->scrollRectToVisible(newRect, alignX, alignY);
 }
 
 void RenderBox::absoluteRects(Vector<IntRect>& rects, const LayoutPoint& accumulatedOffset) const
@@ skipping 3788 matching lines @@
 
 RenderBox::BoxDecorationData::BoxDecorationData(const RenderStyle& style)
 {
     backgroundColor = style.visitedDependentColor(CSSPropertyBackgroundColor);
     hasBackground = backgroundColor.alpha() || style.hasBackgroundImage();
     ASSERT(hasBackground == style.hasBackground());
     hasBorder = style.hasBorder();
 }
 
 } // namespace blink