Flowthread should move its floatlists to container when evacuating

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

 /*
  * Copyright (C) 2012 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 296 matching lines @@
   }
 
   DCHECK(!PreviousSibling());
   DCHECK(!NextSibling());
 
   // Finally we can promote all flow thread's children. Before we move them to
   // the flow thread's container, we need to unregister the flow thread, so that
   // they aren't just re-added again to the flow thread that we're trying to
   // empty.
   multicol_container->ResetMultiColumnFlowThread();
-  MoveAllChildrenTo(multicol_container, true);
+  MoveAllChildrenIncludingFloatsTo(multicol_container, true);
 
   // We used to manually nuke the line box tree here, but that should happen
   // automatically when moving children around (the code above).
   DCHECK(!FirstLineBox());
 
   Destroy();
 }
 
 LayoutUnit LayoutMultiColumnFlowThread::MaxColumnLogicalHeight() const {
   if (column_height_available_) {
@@ skipping 1062 matching lines @@
     const {
   return MultiColumnLayoutState(last_set_worked_on_);
 }
 
 void LayoutMultiColumnFlowThread::RestoreMultiColumnLayoutState(
     const MultiColumnLayoutState& state) {
   last_set_worked_on_ = state.ColumnSet();
 }
 
 }  // namespace blink