Remove RenderLayerScrollableArea

sky/engine/core/rendering/RenderObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 432 matching lines @@
             return toRenderBoxModelObject(curr);
         curr = curr->parent();
     }
 
     ASSERT_NOT_REACHED();
     return 0;
 }
 
 RenderBox* RenderObject::enclosingScrollableBox() const
 {
-    for (RenderObject* ancestor = parent(); ancestor; ancestor = ancestor->parent()) {
-        if (!ancestor->isBox())
-            continue;
-
-        RenderBox* ancestorBox = toRenderBox(ancestor);
-        if (ancestorBox->canBeScrolledAndHasScrollableArea())
-            return ancestorBox;
-    }
-
+    // FIXME(sky): Remove.
     return 0;
 }
 
 bool RenderObject::skipInvalidationWhenLaidOutChildren() const
 {
     if (!neededLayoutBecauseOfChildren())
         return false;
 
     // SVG renderers need to be invalidated when their children are laid out.
     // RenderBlocks with line boxes are responsible to invalidate them so we can't ignore them.
@@ skipping 1588 matching lines @@
 {
     if (object1) {
         const blink::RenderObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showRenderTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif