Revert of Fully (?) fix overflow: auto with delayed scroll updates

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

 /*
  * This file is part of the layout object implementation for KHTML.
  *
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003 Apple Computer, Inc.
  *
  * 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 514 matching lines @@
                     }
                 } while (absoluteValue(groupRemainingSpace) >= 1);
             }
 
             // We didn't find any children that could grow.
             if (haveFlex && !flexingChildren)
                 haveFlex = false;
         }
     } while (haveFlex);
 
-    LayoutBlock::finishDelayUpdateScrollInfo(nullptr);
+    LayoutBlock::finishDelayUpdateScrollInfo();
 
     if (remainingSpace > 0 && ((style()->isLeftToRightDirection() && style()->boxPack() != Start)
         || (!style()->isLeftToRightDirection() && style()->boxPack() != End))) {
         // Children must be repositioned.
         LayoutUnit offset;
         if (style()->boxPack() == Justify) {
             // Determine the total number of children.
             int totalChildren = 0;
             for (LayoutBox* child = iterator.first(); child; child = iterator.next()) {
                 if (childDoesNotAffectWidthOrFlexing(child))
@@ skipping 230 matching lines @@
                     }
                 } while (absoluteValue(groupRemainingSpace) >= 1);
             }
 
             // We didn't find any children that could grow.
             if (haveFlex && !flexingChildren)
                 haveFlex = false;
         }
     } while (haveFlex);
 
-    LayoutBlock::finishDelayUpdateScrollInfo(nullptr);
+    LayoutBlock::finishDelayUpdateScrollInfo();
 
     if (style()->boxPack() != Start && remainingSpace > 0) {
         // Children must be repositioned.
         LayoutUnit offset;
         if (style()->boxPack() == Justify) {
             // Determine the total number of children.
             int totalChildren = 0;
             for (LayoutBox* child = iterator.first(); child; child = iterator.next()) {
                 if (childDoesNotAffectWidthOrFlexing(child))
                     continue;
@@ skipping 200 matching lines @@
     if (minHeight.isFixed() || minHeight.isAuto()) {
         LayoutUnit minHeight(child->style()->minHeight().value());
         LayoutUnit height = contentHeightForChild(child);
         LayoutUnit allowedShrinkage = (minHeight - height).clampPositiveToZero();
         return allowedShrinkage;
     }
     return LayoutUnit();
 }
 
 } // namespace blink