Improve LayoutMultiColumnFlowThread::IsPageLogicalHeightKnown().

third_party/WebKit/Source/core/layout/LayoutBlockFlow.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 427 matching lines @@
     if (!preferred_logical_widths_were_dirty && PreferredLogicalWidthsDirty()) {
       // The only thing that should dirty preferred widths at this point is the
       // addition of overflow:auto scrollbars in a descendant. To avoid a
       // potential infinite loop, run layout again with auto scrollbars frozen
       // in their current state.
       PaintLayerScrollableArea::FreezeScrollbarsScope freeze_scrollbars;
       relayout_children |= UpdateLogicalWidthAndColumnWidth();
       LayoutChildren(relayout_children, layout_scope);
     }
 
-    if (flow_thread && flow_thread->ColumnHeightsChanged()) {
+    if (flow_thread && !flow_thread->FinishLayout()) {
       SetChildNeedsLayout(kMarkOnlyThis);
       continue;
     }
 
     if (ShouldBreakAtLineToAvoidWidow()) {
       SetEverHadLayout();
       continue;
     }
     break;
   } while (true);
@@ skipping 4210 matching lines @@
   return LayoutBlock::DeprecatedInvalidatePaint(paint_invalidation_state);
 }
 
 void LayoutBlockFlow::InvalidateDisplayItemClients(
     PaintInvalidationReason invalidation_reason) const {
   BlockFlowPaintInvalidator(*this).InvalidateDisplayItemClients(
       invalidation_reason);
 }
 
 }  // namespace blink