Properly shrink stretched flexbox children on relayout

Source/core/rendering/RenderReplaced.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009 Apple Inc. 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
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 33 matching lines @@
 protected:
     virtual void willBeDestroyed() OVERRIDE;
 
     virtual void layout() OVERRIDE;
 
     virtual LayoutSize intrinsicSize() const OVERRIDE FINAL { return m_intrinsicSize; }
     virtual void computeIntrinsicRatioInformation(FloatSize& intrinsicSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const OVERRIDE;
 
     virtual void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const OVERRIDE FINAL;
 
+    virtual LayoutUnit intrinsicContentLogicalHeight() const { return intrinsicLogicalHeight(); }
+
     virtual LayoutUnit minimumReplacedHeight() const { return LayoutUnit(); }
 
     virtual void setSelectionState(SelectionState) OVERRIDE FINAL;
 
     bool isSelected() const;
 
     virtual void styleDidChange(StyleDifference, const RenderStyle* oldStyle) OVERRIDE;
 
     void setIntrinsicSize(const LayoutSize& intrinsicSize) { m_intrinsicSize = intrinsicSize; }
     virtual void intrinsicSizeChanged();
@@ skipping 20 matching lines @@
 
     virtual LayoutRect selectionRectForRepaint(const RenderLayerModelObject* repaintContainer, bool clipToVisibleContent = true) OVERRIDE FINAL;
     void computeAspectRatioInformationForRenderBox(RenderBox*, FloatSize& constrainedSize, double& intrinsicRatio, bool& isPercentageIntrinsicSize) const;
 
     mutable LayoutSize m_intrinsicSize;
 };
 
 }
 
 #endif