Remove special pagination code for floats and out-of-flow objects.

Source/core/layout/LayoutBlock.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2010. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 1243 matching lines @@
         if (!positionedObject->normalChildNeedsLayout() && (relayoutChildren || needsLayoutDueToStaticPosition(positionedObject)))
             layoutScope.setChildNeedsLayout(positionedObject);
 
         // If relayoutChildren is set and the child has percentage padding or an embedded content box, we also need to invalidate the childs pref widths.
         if (relayoutChildren && positionedObject->needsPreferredWidthsRecalculation())
             positionedObject->setPreferredLogicalWidthsDirty(MarkOnlyThis);
 
         if (!positionedObject->needsLayout())
             positionedObject->markForPaginationRelayoutIfNeeded(layoutScope);
 
-        // If we are paginated or in a line grid, go ahead and compute a vertical position for our object now.
-        // If it's wrong we'll lay out again.
-        LayoutUnit oldLogicalTop = 0;
-        bool needsBlockDirectionLocationSetBeforeLayout = positionedObject->needsLayout() && view()->layoutState()->needsBlockDirectionLocationSetBeforeLayout();
-        if (needsBlockDirectionLocationSetBeforeLayout) {
-            if (isHorizontalWritingMode() == positionedObject->isHorizontalWritingMode())
-                positionedObject->updateLogicalHeight();
-            else
-                positionedObject->updateLogicalWidth();
-            oldLogicalTop = logicalTopForChild(*positionedObject);
-        }
-
         // FIXME: We should be able to do a r->setNeedsPositionedMovementLayout() here instead of a full layout. Need
         // to investigate why it does not trigger the correct invalidations in that case. crbug.com/350756
         if (info == ForcedLayoutAfterContainingBlockMoved)
             positionedObject->setNeedsLayout(LayoutInvalidationReason::AncestorMoved, MarkOnlyThis);
 
         positionedObject->layoutIfNeeded();
-
-        // Lay out again if our estimate was wrong.
-        if (needsBlockDirectionLocationSetBeforeLayout && logicalTopForChild(*positionedObject) != oldLogicalTop)
-            positionedObject->forceChildLayout();
     }
 }
 
 void LayoutBlock::markPositionedObjectsForLayout()
 {
     if (TrackedLayoutBoxListHashSet* positionedDescendants = positionedObjects()) {
         for (auto* descendant : *positionedDescendants)
             descendant->setChildNeedsLayout();
     }
 }
@@ skipping 1611 matching lines @@
 void LayoutBlock::showLineTreeAndMark(const InlineBox* markedBox1, const char* markedLabel1, const InlineBox* markedBox2, const char* markedLabel2, const LayoutObject* obj) const
 {
     showLayoutObject();
     for (const RootInlineBox* root = firstRootBox(); root; root = root->nextRootBox())
         root->showLineTreeAndMark(markedBox1, markedLabel1, markedBox2, markedLabel2, obj, 1);
 }
 
 #endif
 
 } // namespace blink