Fix preferred logical widths of orthogonal writing modes

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

 /*
  * Copyright (C) 2007 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 50 matching lines @@
 // for computations.
 class LayoutState {
     // LayoutState is always allocated on the stack.
     // The reason is that it is scoped to layout, thus we can avoid expensive
     // mallocs.
     DISALLOW_NEW();
     WTF_MAKE_NONCOPYABLE(LayoutState);
 public:
     // Constructor for root LayoutState created by LayoutView
     LayoutState(LayoutUnit pageLogicalHeight, bool pageLogicalHeightChanged, LayoutView&);
-    // Constructor for sub-tree layout
+    // Constructor for sub-tree layout and orthogonal writing-mode roots
     explicit LayoutState(LayoutObject& root);
 
     LayoutState(LayoutBox&, const LayoutSize& offset, LayoutUnit pageLogicalHeight = 0, bool pageHeightLogicalChanged = false, bool containingBlockLogicalWidthChanged = false);
 
     ~LayoutState();
 
     bool isPaginated() const { return m_isPaginated; }
 
     // The page logical offset is the object's offset from the top of the page in the page progression
     // direction (so an x-offset in vertical text and a y-offset for horizontal text).
@@ skipping 31 matching lines @@
     LayoutUnit m_pageLogicalHeight;
     // The offset of the start of the first page in the nearest enclosing pagination model.
     LayoutSize m_pageOffset;
 
     LayoutObject& m_layoutObject;
 };
 
 } // namespace blink
 
 #endif // LayoutState_h