Split computeScrollDimensions() out of RenderLayer

Source/core/accessibility/AccessibilityRenderObject.cpp

 /*
 * Copyright (C) 2008 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1.  Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 1659 matching lines @@
 void AccessibilityRenderObject::scrollTo(const IntPoint& point) const
 {
     if (!m_renderer || !m_renderer->isBox())
         return;
 
     RenderBox* box = toRenderBox(m_renderer);
     if (!box->canBeScrolledAndHasScrollableArea())
         return;
 
     RenderLayer* layer = box->layer();
-    layer->scrollToOffset(toIntSize(point), RenderLayer::ScrollOffsetClamped);
+    layer->scrollToOffset(toIntSize(point), ScrollOffsetClamped);
 }
 
 //
 // Notifications that this object may have changed.
 //
 
 void AccessibilityRenderObject::handleActiveDescendantChanged()
 {
     Element* element = toElement(renderer()->node());
     if (!element)
@@ skipping 683 matching lines @@
         if (label && label->renderer()) {
             LayoutRect labelRect = axObjectCache()->getOrCreate(label)->elementRect();
             result.unite(labelRect);
         }
     }
 
     return result;
 }
 
 } // namespace WebCore