[LayoutNG] WIP on storing layout output in the legacy tree for multicol.

third_party/WebKit/Source/core/layout/LayoutFlowThread.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 72 matching lines @@
   // objects. Not that anyone _should_ try to access the interval tree when the
   // column sets are marked as invalid, but this is actually possible if other
   // parts of the engine has bugs that cause us to not lay out everything that
   // was marked for layout, so that LayoutObject::assertLaidOut() (and a LOT
   // of other assertions) fails.
   m_multiColumnSetIntervalTree.clear();
 }
 
 void LayoutFlowThread::validateColumnSets() {
   m_columnSetsInvalidated = false;
-  // Called to get the maximum logical width for the columnSet.
-  updateLogicalWidth();
   generateColumnSetIntervalTree();
 }
 
 bool LayoutFlowThread::mapToVisualRectInAncestorSpaceInternal(
     const LayoutBoxModelObject* ancestor,
     TransformState& transformState,
     VisualRectFlags visualRectFlags) const {
   // A flow thread should never be an invalidation container.
   DCHECK(ancestor != this);
   transformState.flatten();
@@ skipping 139 matching lines @@
 
 void LayoutFlowThread::MultiColumnSetSearchAdapter::collectIfNeeded(
     const MultiColumnSetInterval& interval) {
   if (m_result)
     return;
   if (interval.low() <= m_offset && interval.high() > m_offset)
     m_result = interval.data();
 }
 
 }  // namespace blink