[css-flexbox] For now, don't apply min-height: auto to nested flexboxes

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

Index: third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
index 3d90d7938790bc1fe97bd44aca3f750dc5b9ec5e..f735ab00a391df20b08aabec6cc348f1ae456e59 100644
--- a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
@@ -912,7 +912,10 @@ LayoutUnit LayoutFlexibleBox::adjustChildSizeForMinAndMax(const LayoutBox& child
         // computeMainAxisExtentForChild can return -1 when the child has a percentage
         // min size, but we have an indefinite size in that axis.
         minExtent = std::max(LayoutUnit(), minExtent);
-    } else if (min.isAuto() && mainAxisOverflowForChild(child) == OVISIBLE) {
+    } else if (min.isAuto() && mainAxisOverflowForChild(child) == OVISIBLE && !(isColumnFlow() && child.isFlexibleBox())) {
+        // TODO(cbiesinger): For now, we do not handle min-height: auto for nested column flexboxes. We need
+        // to implement https://drafts.csswg.org/css-flexbox/#intrinsic-sizes before that produces
+        // reasonable results. Tracking bug: https://crbug.com/581553
         // css-flexbox section 4.5
         LayoutUnit contentSize = computeMainAxisExtentForChild(child, MinSize, Length(MinContent));
         ASSERT(contentSize >= 0);