[css-grid] Fix indefinite height detection

third_party/WebKit/Source/core/layout/LayoutBoxModelObject.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google 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
@@ skipping 509 matching lines @@
         return nullptr;
 
     if (cb->isOutOfFlowPositioned() && !cb->style()->logicalTop().isAuto() && !cb->style()->logicalBottom().isAuto())
         return nullptr;
 
     return cb;
 }
 
 bool LayoutBoxModelObject::hasAutoHeightOrContainingBlockWithAutoHeight(bool checkingContainingBlock) const
 {
+    // TODO(rego): Check if we can somehow reuse LayoutBlock::availableLogicalHeightForPercentageComputation() (see http://crbug.com/635655).
     const LayoutBox* thisBox = isBox() ? toLayoutBox(this) : nullptr;
     Length logicalHeightLength = style()->logicalHeight();
     LayoutBlock* cb = containingBlockForAutoHeightDetection(logicalHeightLength);
     if (logicalHeightLength.hasPercent() && cb && isBox())
         cb->addPercentHeightDescendant(const_cast<LayoutBox*>(toLayoutBox(this)));
     if (thisBox && thisBox->isFlexItem()) {
         LayoutFlexibleBox& flexBox = toLayoutFlexibleBox(*parent());
         if (flexBox.childLogicalHeightForPercentageResolution(*thisBox) != LayoutUnit(-1))
             return false;
     }
@@ skipping 565 matching lines @@
     if (rootElementStyle->hasBackground())
         return false;
 
     if (node() != document().firstBodyElement())
         return false;
 
     return true;
 }
 
 } // namespace blink