Get rid of ScrollView.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * Other contributors:
  *   Robert O'Callahan <roc+@cs.cmu.edu>
  *   David Baron <dbaron@fas.harvard.edu>
  *   Christian Biesinger <cbiesinger@web.de>
  *   Randall Jesup <rjesup@wgate.com>
@@ skipping 86 matching lines @@
     updateResizerAreaSet();
 }
 
 RenderLayerScrollableArea::~RenderLayerScrollableArea()
 {
     if (inResizeMode() && !box().documentBeingDestroyed()) {
         if (LocalFrame* frame = box().frame())
             frame->eventHandler().resizeScrollableAreaDestroyed();
     }
 
-    if (LocalFrame* frame = box().frame()) {
-        if (FrameView* frameView = frame->view()) {
-            frameView->removeScrollableArea(this);
-        }
-    }
-
     if (box().frame() && box().frame()->page()) {
         if (ScrollingCoordinator* scrollingCoordinator = box().frame()->page()->scrollingCoordinator())
             scrollingCoordinator->willDestroyScrollableArea(this);
     }
 
     if (!box().documentBeingDestroyed()) {
         Node* node = box().node();
         if (node && node->isElementNode())
             toElement(node)->setSavedLayerScrollOffset(m_scrollOffset);
     }
@@ skipping 1213 matching lines @@
 void RenderLayerScrollableArea::setTopmostScrollChild(RenderLayer* scrollChild)
 {
     // We only want to track the topmost scroll child for scrollable areas with
     // overlay scrollbars.
     if (!hasOverlayScrollbars())
         return;
     m_nextTopmostScrollChild = scrollChild;
 }
 
 } // namespace blink