[New Multicolumn] Layout support for column-span:all.

Source/core/rendering/RenderFlowThread.cpp

 /*
  * Copyright (C) 2011 Adobe Systems Incorporated. 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.
@@ skipping 201 matching lines @@
             LayoutRect fragmentRect(layerBoundingBox);
             fragmentRect.intersect(fragment.paginationClip);
             fragmentRect.moveBy(fragment.paginationOffset);
             result.unite(fragmentRect);
         }
     }
 
     return result;
 }
 
-void RenderFlowThread::RegionSearchAdapter::collectIfNeeded(const MultiColumnSetInterval& interval)
+void RenderFlowThread::MultiColumnSetSearchAdapter::collectIfNeeded(const MultiColumnSetInterval& interval)
 {
     if (m_result)
         return;
     if (interval.low() <= m_offset && interval.high() > m_offset)
         m_result = interval.data();
 }
 
 } // namespace blink