Percent height in auto height containers no longer computes as auto

third_party/WebKit/Source/core/layout/LayoutReplaced.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 34 matching lines @@
 //
 // The intrinsic ratio is used to keep the same proportion as the intrinsic
 // size (thus avoiding visual distortions if width / height doesn't match
 // the intrinsic value).
 class CORE_EXPORT LayoutReplaced : public LayoutBox {
 public:
     LayoutReplaced(Element*);
     LayoutReplaced(Element*, const LayoutSize& intrinsicSize);
     ~LayoutReplaced() override;
 
-    LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred  = ComputeActual) const override;
-    LayoutUnit computeReplacedLogicalHeight() const override;
+    LayoutUnit computeReplacedLogicalWidth(ShouldComputePreferred = ComputeActual) const override;
+    LayoutUnit computeReplacedLogicalHeight(LayoutUnit estimatedUsedWidth = LayoutUnit()) const override;
 
     bool hasReplacedLogicalHeight() const;
     LayoutRect replacedContentRect(const LayoutSize* overriddenIntrinsicSize = nullptr) const;
 
     bool needsPreferredWidthsRecalculation() const override;
 
     // These values are specified to be 300 and 150 pixels in the CSS 2.1 spec.
     // http://www.w3.org/TR/CSS2/visudet.html#inline-replaced-width
     static const int defaultWidth;
     static const int defaultHeight;
@@ skipping 52 matching lines @@
     PositionWithAffinity positionForPoint(const LayoutPoint&) override;
 
 private:
     void computePreferredLogicalWidths() final;
 
     bool canBeSelectionLeaf() const override { return true; }
 
     void computeIntrinsicSizingInfoForReplacedContent(LayoutReplaced*, IntrinsicSizingInfo&) const;
     FloatSize constrainIntrinsicSizeToMinMax(const IntrinsicSizingInfo&) const;
 
+    LayoutUnit computeConstrainedLogicalWidth(ShouldComputePreferred) const;
+
     mutable LayoutSize m_intrinsicSize;
 };
 
 } // namespace blink
 
 #endif