Ensure we compute the min and max height of replaced elements to 'none' or 0 when appropriate.

Source/core/rendering/RenderBox.cpp

Index: Source/core/rendering/RenderBox.cpp
diff --git a/Source/core/rendering/RenderBox.cpp b/Source/core/rendering/RenderBox.cpp
index 51f1102b5c21d7bc5e353e76789d3600633851a2..5fd76aff7c5835106ee31005698a4da8e75eb0f7 100644
--- a/Source/core/rendering/RenderBox.cpp
+++ b/Source/core/rendering/RenderBox.cpp
@@ -2739,10 +2739,37 @@ LayoutUnit RenderBox::computeReplacedLogicalHeight() const
     return computeReplacedLogicalHeightRespectingMinMaxHeight(computeReplacedLogicalHeightUsing(style()->logicalHeight()));
 }
 
+bool RenderBox::logicalHeightComputesAsNone(SizeType sizeType) const
+{
+    ASSERT(sizeType == MinSize || sizeType == MaxSize);
+    Length logicalHeight = sizeType == MinSize ? style()->logicalMinHeight() : style()->logicalMaxHeight();
+    Length initialLogicalHeight = sizeType == MinSize ? RenderStyle::initialMinSize() : RenderStyle::initialMaxSize();
+
+    if (logicalHeight == initialLogicalHeight)
+        return true;
+
+    if (!logicalHeight.isPercent() || isOutOfFlowPositioned())
+        return false;
+
+    // Anonymous block boxes are ignored when resolving percentage values that would refer to it:
+    // the closest non-anonymous ancestor box is used instead.
+    RenderBlock* containingBlock = this->containingBlock();
+    while (containingBlock->isAnonymous())
+        containingBlock = containingBlock->containingBlock();
+
+    return containingBlock->hasAutoHeightOrContainingBlockWithAutoHeight();
+}
+
 LayoutUnit RenderBox::computeReplacedLogicalHeightRespectingMinMaxHeight(LayoutUnit logicalHeight) const
 {
-    LayoutUnit minLogicalHeight = computeReplacedLogicalHeightUsing(style()->logicalMinHeight());
-    LayoutUnit maxLogicalHeight = style()->logicalMaxHeight().isUndefined() ? logicalHeight : computeReplacedLogicalHeightUsing(style()->logicalMaxHeight());
+    // If the height of the containing block is not specified explicitly (i.e., it depends on content height), and this element is not absolutely positioned,
+    // the percentage value is treated as '0' (for 'min-height') or 'none' (for 'max-height').
+    LayoutUnit minLogicalHeight;
+    if (!logicalHeightComputesAsNone(MinSize))
+        minLogicalHeight = computeReplacedLogicalHeightUsing(style()->logicalMinHeight());
+    LayoutUnit maxLogicalHeight = logicalHeight;
+    if (!logicalHeightComputesAsNone(MaxSize))
+        maxLogicalHeight =  computeReplacedLogicalHeightUsing(style()->logicalMaxHeight());
     return std::max(minLogicalHeight, std::min(logicalHeight, maxLogicalHeight));
 }