Get rid of ScrollView.

sky/engine/core/rendering/RenderLayerScrollableArea.cpp

Index: sky/engine/core/rendering/RenderLayerScrollableArea.cpp
diff --git a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
index fcac2cab7e3444d5cef682771eb6ce50fa1d2249..00ec725c903e10db37cf712f340783d56cbc00e4 100644
--- a/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
+++ b/sky/engine/core/rendering/RenderLayerScrollableArea.cpp
@@ -104,12 +104,6 @@ RenderLayerScrollableArea::~RenderLayerScrollableArea()
             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);