Fix shrink-to-fit when children's writing-mode is orthogonal

Source/core/layout/LayoutObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  *           (C) 2004 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 779 matching lines @@
         o->m_bitfields.setPreferredLogicalWidthsDirty(true);
         if (o->style()->hasOutOfFlowPosition()) {
             // A positioned object has no effect on the min/max width of its containing block ever.
             // We can optimize this case and not go up any further.
             break;
         }
         o = container;
     }
 }
 
+void LayoutObject::minMaxPreferredLogicalWidthForParent(LayoutUnit& minPreferredLogicalWidth, LayoutUnit& maxPreferredLogicalWidth) const
+{
+    if (isBox() && toLayoutBox(this)->isWritingModeOrthogonalToParent()) {
+        const_cast<LayoutObject*>(this)->layoutIfNeeded();

[eae, 2015/05/04 00:06:59]

I'd rather try to avoid calling layout during preferred with calculation. Any
way it it could be moved to one of the layout* methods?

+        minPreferredLogicalWidth = maxPreferredLogicalWidth = toLayoutBox(this)->logicalHeight();
+        return;
+    }
+    minPreferredLogicalWidth = this->minPreferredLogicalWidth();
+    maxPreferredLogicalWidth = this->maxPreferredLogicalWidth();
+}
+
 LayoutBlock* LayoutObject::containerForFixedPosition(const LayoutBoxModelObject* paintInvalidationContainer, bool* paintInvalidationContainerSkipped) const
 {
     ASSERT(!paintInvalidationContainerSkipped || !*paintInvalidationContainerSkipped);
     ASSERT(!isText());
     ASSERT(style()->position() == FixedPosition);
 
     LayoutObject* ancestor = parent();
     for (; ancestor && !ancestor->canContainFixedPositionObjects(); ancestor = ancestor->parent()) {
         if (paintInvalidationContainerSkipped && ancestor == paintInvalidationContainer)
             *paintInvalidationContainerSkipped = true;
@@ skipping 2529 matching lines @@
 {
     if (object1) {
         const blink::LayoutObject* root = object1;
         while (root->parent())
             root = root->parent();
         root->showLayoutTreeAndMark(object1, "*", object2, "-", 0);
     }
 }
 
 #endif