Calculate the correct available height for content

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 b7fd24d02e0217a579e07bedc5a1acd8192c9bc2..5bc69f290e2f5b474edeeae0ecf3c96c30d729af 100644
--- a/Source/core/rendering/RenderBox.cpp
+++ b/Source/core/rendering/RenderBox.cpp
@@ -2837,7 +2837,8 @@ LayoutUnit RenderBox::computeReplacedLogicalHeightUsing(const Length& logicalHei
 
 LayoutUnit RenderBox::availableLogicalHeight(AvailableLogicalHeightType heightType) const
 {
-    return constrainLogicalHeightByMinMax(availableLogicalHeightUsing(style()->logicalHeight(), heightType), -1);
+    // http://www.w3.org/TR/CSS2/visudet.html#propdef-height - We are interested in the content height.
+    return constrainContentBoxLogicalHeightByMinMax(availableLogicalHeightUsing(style()->logicalHeight(), heightType), -1);
 }
 
 LayoutUnit RenderBox::availableLogicalHeightUsing(const Length& h, AvailableLogicalHeightType heightType) const