[css-flexbox] Correctly handle percentage sizing in the main axis

third_party/WebKit/Source/core/layout/LayoutFlexibleBox.h

 /*
  * Copyright (C) 2011 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 47 matching lines @@
 
     bool isHorizontalFlow() const;
 
     const OrderIterator& orderIterator() const { return m_orderIterator; }
 
     // Returns -1 if the height of this flexbox is indefinite
     LayoutUnit computeDefiniteLogicalWidth();
     LayoutUnit computeDefiniteLogicalHeight();
 
     LayoutUnit crossSizeForPercentageResolution(const LayoutBox& child);
+    LayoutUnit mainSizeForPercentageResolution(const LayoutBox& child);
     LayoutUnit childLogicalHeightForPercentageResolution(const LayoutBox& child);
     LayoutUnit childLogicalWidthForPercentageResolution(const LayoutBox& child);
 
     void clearCachedMainSizeForChild(const LayoutBox& child);
 protected:
     void computeIntrinsicLogicalWidths(LayoutUnit& minLogicalWidth, LayoutUnit& maxLogicalWidth) const override;
 
     void styleDidChange(StyleDifference, const ComputedStyle* oldStyle) override;
     void removeChild(LayoutObject*) override;
 
@@ skipping 115 matching lines @@
 
     mutable OrderIterator m_orderIterator;
     int m_numberOfInFlowChildrenOnFirstLine;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutFlexibleBox, isFlexibleBox());
 
 } // namespace blink
 
 #endif // LayoutFlexibleBox_h